Durchschnittswert der Temperatur in 2026
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On the map, you can display various parameters as area averages for different regions and time periods. An area average (spatial mean) is not a single value of a specific weather station, but a value averaged over the entire area of a region – such as a federal state or Germany as a whole. Depending on the parameter, the time period can be selected from months through seasons to the entire year.
The area averages are calculated analogous to the routine of the German Meteorological Service (DWD). To do so, the measurements of many weather stations are transferred spatially onto a grid and then averaged over the respective region. This produces a representative value for the entire area that balances out individual station outliers and makes regions of different size and station density comparable. Whether the area averages come directly from the DWD or were calculated by us analogous to the DWD routine is shown in the header of the map.
Method
KMW area averages are calculated analogous to the routine used by the DWD. To do this, the daily, monthly and yearly values of the stations are interpolated onto a 0.1° grid. A sufficient number of representative values must be available within a certain radius. Finally, all grid points within a region (Germany, federal states) are averaged and output. Nevertheless, there may occasionally be deviations from the DWD values. As soon as the DWD updates its area values, they will be displayed here.
Anomalies and records
For each parameter, you can display different values such as anomalies or records. These are briefly explained below. You can view anomalies for different climate reference periods. A climate reference period is always 30 years. For the current year, we show the daily reference for some parameters (note in header). For all other time periods, the anomaly always refers to the total period (entire month, etc.).
Absolute: The absolute area average in the respective unit such as degrees Celsius, days, etc.
Anomaly: The anomaly (deviation) of the area average in relation to the selected climate reference period. Anomalies for temperatures are strictly speaking given in Kelvin (here K = °C).
Record max: The absolute and maximum record area average for the selected parameter and period. Example: Temperature average + year: you see the region-wide warmest year. Example: Ice days + February: you see the maximum number of ice days in the area average of a February.
Record min: The absolute and minimum record area average for the selected parameter and period. Example: Precipitation sum + summer: you see the region-wide driest summer. Example: Ice days + February: you see the minimum number of ice days in the area average of a February.
Dev. record max: The deviation from the record maximum of the area average for the selected parameter and period. We have set this up additionally to identify new records early, especially in ongoing months and seasons. Example: Temperature average + seasonal values + 2018 + summer: you see how far the area average of summer 2018 was from the absolute record (warmest summer). If you see the value 0, it was the warmest summer. If you look at data for the current and ongoing summer, values above 0 can also occur. In that case it would be a new record at the current time.
Dev. record min: The deviation from the record minimum of the area average for the selected parameter and period. We have set this up additionally to identify new records early, especially in ongoing months and seasons. Example: Temperature average + seasonal values + 1962 + summer: you see how far the area average of summer 1962 was from the absolute record (coldest summer). If you see the value 0, it was the coldest summer. If you look at data for the current and ongoing summer, values below 0 can also occur. In that case it would be a new record at the current time.
Klima-FlächenmittelOn the map, you can display various parameters as area averages for different regions and time periods. An area average (spatial mean) is not a single value of a specific weather station, but a value averaged over the entire area of a region – such as a federal state or Germany as a whole. Depending on the parameter, the time period can be selected from months through seasons to the entire year.
The area averages are calculated analogous to the routine of the German Meteorological Service (DWD). To do so, the measurements of many weather stations are transferred spatially onto a grid and then averaged over the respective region. This produces a representative value for the entire area that balances out individual station outliers and makes regions of different size and station density comparable. Whether the area averages come directly from the DWD or were calculated by us analogous to the DWD routine is shown in the header of the map.
Method
KMW area averages are calculated analogous to the routine used by the DWD. To do this, the daily, monthly and yearly values of the stations are interpolated onto a 0.1° grid. A sufficient number of representative values must be available within a certain radius. Finally, all grid points within a region (Germany, federal states) are averaged and output. Nevertheless, there may occasionally be deviations from the DWD values. As soon as the DWD updates its area values, they will be displayed here.
Anomalies and records
For each parameter, you can display different values such as anomalies or records. These are briefly explained below. You can view anomalies for different climate reference periods. A climate reference period is always 30 years. For the current year, we show the daily reference for some parameters (note in header). For all other time periods, the anomaly always refers to the total period (entire month, etc.).
Absolute: The absolute area average in the respective unit such as degrees Celsius, days, etc.
Anomaly: The anomaly (deviation) of the area average in relation to the selected climate reference period. Anomalies for temperatures are strictly speaking given in Kelvin (here K = °C).
Record max: The absolute and maximum record area average for the selected parameter and period. Example: Temperature average + year: you see the region-wide warmest year. Example: Ice days + February: you see the maximum number of ice days in the area average of a February.
Record min: The absolute and minimum record area average for the selected parameter and period. Example: Precipitation sum + summer: you see the region-wide driest summer. Example: Ice days + February: you see the minimum number of ice days in the area average of a February.
Dev. record max: The deviation from the record maximum of the area average for the selected parameter and period. We have set this up additionally to identify new records early, especially in ongoing months and seasons. Example: Temperature average + seasonal values + 2018 + summer: you see how far the area average of summer 2018 was from the absolute record (warmest summer). If you see the value 0, it was the warmest summer. If you look at data for the current and ongoing summer, values above 0 can also occur. In that case it would be a new record at the current time.
Dev. record min: The deviation from the record minimum of the area average for the selected parameter and period. We have set this up additionally to identify new records early, especially in ongoing months and seasons. Example: Temperature average + seasonal values + 1962 + summer: you see how far the area average of summer 1962 was from the absolute record (coldest summer). If you see the value 0, it was the coldest summer. If you look at data for the current and ongoing summer, values below 0 can also occur. In that case it would be a new record at the current time.
Temperature AverageThe temperature average of the region, averaged over the entire area and the entire selected period.
Daily Maximum Temperature AverageThe area-averaged mean of the daily maximum temperature over the entire selected period. Here the daily maximum temperatures are first averaged over the selected period and then over the entire region. You can see and compare, for example via the "anomaly", whether the daily maximum temperatures in the region have a positive or negative deviation. In simple terms, it was unusually mild or cold, especially during the day.
Daily Minimum Temperature AverageThe area-averaged mean of the daily minimum temperature over the entire selected period. Here the daily minimum temperatures are first averaged over the selected period and then over the entire region. You can see and compare, for example via the "anomaly", whether the daily minimum temperatures in the region have a positive or negative deviation. In simple terms, it was unusually mild or cold, especially at night.
Precipitation SumThe area-averaged accumulated precipitation of the region over the entire selected period.
Sunshine Duration SumThe area-averaged accumulated sunshine duration of the region over the entire selected period.
For the current time periods of year/season/month, we use the satellite sunshine duration of the individual climate stations to generate area averages of sunshine duration based on more spatially comprehensive values.
Sunshine Duration SumThe area-averaged accumulated sunshine duration of the region over the entire selected period.
For the current time periods of year/season/month, we use the satellite sunshine duration of the individual climate stations to generate area averages of sunshine duration based on more spatially comprehensive values.
Summer DaysOn a summer day, the daily maximum temperature reaches or exceeds 25°C. The area average indicates the number of summer days averaged over the region.
Hot DaysOn a hot day, the daily maximum temperature reaches or exceeds 30°C. A hot day is simultaneously also a summer day. The area average indicates the number of hot days averaged over the region.
helptext.shapes.tlmax_ge35.title helptext.shapes.tlmax_ge35.body helptext.shapes.tlmax_ge40.title helptext.shapes.tlmax_ge40.body Tropical NightsIn a tropical night, the daily minimum temperature does not drop below 20°C. The area average indicates the number of tropical nights averaged over the region.
Frost DaysOn a frost day, the daily minimum temperature drops below 0°C. The area average indicates the number of frost days averaged over the region.
Ice DaysOn an ice day, the daily maximum temperature does not reach or exceed 0°C. An ice day is simultaneously also a frost day. The area average indicates the number of ice days averaged over the region.
Rain Days > 1 mmOn a rain day with > 1 mm, the daily precipitation exceeds at least 1 mm. The area average indicates the number of these rain days averaged over the region.
Rain Days > 10 mmOn a rain day with > 10 mm, the daily precipitation exceeds at least 10 mm. The area average indicates the number of these rain days averaged over the region.
Snow Cover Days > 1 cmOn a snow cover day with > 1 cm, the snow depth measured at 6 UTC was at least 1 cm. The area average indicates the number of these snow cover days averaged over the region.
Growing Degree DaysThe so-called "growing degree days" is a special heat sum used to determine the sustained start of vegetation. To calculate it, all positive daily mean temperatures since the beginning of the year are summed up. However, these are weighted by month: in January the daily mean is multiplied by the factor 0.5, in February by 0.75. From March onwards, the full value is included. When the growing degree days reach the threshold of over 200°C, sustained vegetation growth has begun. The area average indicates the growing degree days averaged over the region. In Central Europe, this determines the date for the start of field work. This is also referred to as the beginning of the agronomic spring, which often coincides with the beginning of forsythia flowering.
First ice day in 2nd half of yearShows for the region the mean date of the first ice day of the "winter season". Usually earliest in autumn.
Last ice day in 1st half of yearShows for the region the mean date of the last ice day of the "winter season". Usually latest in spring.
First frost day in 2nd half of yearShows for the region the mean date of the first frost day of the "winter season". Usually earliest in autumn.
Last frost day in 1st half of yearShows for the region the mean date of the last frost day of the "winter season". Usually latest in spring.
First summer dayShows for the region the mean date of the first summer day of the year. Usually earliest in spring.
Last summer dayShows for the region the mean date of the last summer day of the year. Usually latest in autumn.
First heat dayShows for the region the mean date of the first heat day of the year. Usually earliest in late spring.
Last heat dayShows for the region the mean date of the last heat day of the year. Usually latest in late summer.
First day with growing degree days > 200°CShows for the region the mean day of the year when the growing degree days exceeded 200°C. When the growing degree days reach the threshold of over 200°C, sustained vegetation growth has begun.
Highest daily mean temperatureThe area-averaged highest daily mean temperature in the selected period. Each day a mean is calculated from the temperature curve over 24 hours; from all daily means the maximum is taken and averaged over the region.
Lowest daily mean temperatureThe area-averaged lowest daily mean temperature in the selected period. Each day a mean is calculated from the temperature curve over 24 hours; from all daily means the minimum is taken and averaged over the region.
Absolute maximum temperatureThe area-averaged absolute maximum temperature in the selected period. Here no time mean is used, but the absolute highest temperature in the selected period, which is then averaged over the region. You can, for example, check what the absolute highest temperature in the region was in a month or in the whole year.
Absolute minimum temperatureThe area-averaged absolute minimum temperature in the selected period. Here no time mean is used, but the absolute lowest temperature in the selected period, which is then averaged over the region. You can, for example, check what the absolute lowest temperature in the region was in a month or in the whole year.
Average dew pointThe area-averaged mean of the dew points in the selected period. Here the dew point temperature is averaged over the selected period and over the entire region.
Highest daily mean dew pointThe area-averaged highest daily mean dew point in the selected period. Each day a mean is calculated from the dew point curve over 24 hours; from all daily means the maximum is taken and averaged over the region.
Lowest daily mean dew pointThe area-averaged lowest daily mean dew point in the selected period. Each day a mean is calculated from the dew point curve over 24 hours; from all daily means the minimum is taken and averaged over the region.
Average highest dew pointThe area-averaged mean of the highest dew points in the selected period. Here the highest dew points are averaged over the selected period and over the entire region.
Absolute highest dew pointThe area-averaged absolute highest dew point in the selected period. Here no time mean is used, but the absolute highest dew point temperature in the selected period, which is then averaged over the region.
Average lowest dew pointThe area-averaged mean of the lowest dew points in the selected period. Here the lowest dew points are averaged over the selected period and over the entire region.
Absolute lowest dew pointThe area-averaged absolute lowest dew point in the selected period. Here no time mean is used, but the absolute lowest dew point temperature in the selected period, which is then averaged over the region.
Average mean windThe area-averaged mean of the mean wind in the selected period. For wind measurements a distinction is made between the mean wind, usually averaged over 10 minutes, and wind gusts, the absolute and usually short wind peaks. Here the mean wind is averaged over the selected period and over the entire region. This way you can, for example, see particularly windy or calm months in the region.
Highest daily mean windThe area-averaged highest daily mean of the mean wind in the selected period. Each day a daily mean is calculated from the mean wind over 24 hours; from all daily means the maximum is taken and averaged over the region. This way you can, for example, see particularly windy or stormy days in the region.
Average wind gustsThe area-averaged mean of the wind gusts in the selected period. For wind measurements a distinction is made between the mean wind, usually averaged over 10 minutes, and wind gusts, the absolute and usually short wind peaks. The latter are averaged here over the selected period and over the entire region. With this you can, for example, see particularly windy or calm months in the region.
Absolute highest wind gustThe area-averaged absolute highest wind gust in the selected period. Here no time mean is used, but the absolute highest wind gust in the selected period, which is then averaged over the region.
Absolute highest daily sumThe area-averaged absolute highest daily precipitation sum in the selected period. Here the maximum of the 24-hour precipitation (daily sum) over the selected period is determined and averaged over the region. In simple terms, the wettest or most precipitation-rich day in the region is shown.
Maximum TemperatureThe area-averaged daily maximum temperature (maximum temperature) of the selected period.
Minimum TemperatureThe area-averaged daily minimum temperature (minimum temperature) of the selected period.
PrecipitationThe area-averaged precipitation sum of the selected period.
Mean WindThe area-averaged mean wind of the selected period in km/h.
Wind GustsThe area-averaged maximum wind gust of the selected period in km/h.
Dew Point (Maximum)The area-averaged highest dew point (maximum dew point) of the selected period. The dew point is a measure of the moisture content of the air.
Dew Point (Minimum)The area-averaged lowest dew point (minimum dew point) of the selected period. The dew point is a measure of the moisture content of the air.