Grimma climate — normals and trends
Grimma (Germany) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.2 °C and it receives 699 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (18.5 °C on average) and the coldest is January (-0.1 °C). Rainfall peaks in July.
Grimma averages 74 frost days, 6 hot days (≥ 30 °C) and 141 rainy days per year.
Grimma has warmed by +2.4 °C between 1940 and 2025, or +0.28 °C per decade. This trend is statistically significant.
The number of frost days there went from about 91 to 57 per year over the period.
The hottest day of the period reached 37.0 °C (on 16 July 2007) and the coldest -26.5 °C (on 18 January 1940).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
GrimmaSaxony
- coords
- 51.23°, 12.72°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.2°C
Average daily high
12.8°C
Average daily low
5.8°C
Annual rainfall
699mm
Sunshine / day
7.7h
Mean relative humidity
76%
Average peak wind
16.9km/h
Seasonal range
18.6°C
Frost days (< 0 °C)
74 d/yr
Hot days (≥ 30 °C)
6 d/yr
Rainy days (≥ 1 mm)
141 d/yr
Annual snowfall
51.0 cm
Average feels-like high
10.3 °C
Average feels-like low
2.8 °C
Average peak gust
35.2 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
10.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °C
since 1940
+0.3 °C per decade · r² = 0.45 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
37.0 °C
16 July 2007
Coldest day
-26.5 °C
18 January 1940
Wettest day
78 mm
8 August 1978
Windiest day
54.0 km/h
18 January 2007
Strongest gust
132.1 km/h
18 January 2007
Hottest feels-like
40.7 °C
3 August 1943
Coldest feels-like
-31.2 °C
18 January 1940
Snowiest day
13.2 cm
5 March 1970
Sunniest day
16.0 h
19 June 2000
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 6.1 °C | +4.1 °C | 73 mm | +22 mm |
| Feb | 4.7 °C | +1.2 °C | 16 mm | -30 mm |
| Mar | 11.6 °C | +3.7 °C | 27 mm | -25 mm |
| Apr | 16.3 °C | +3.4 °C | 28 mm | -23 mm |
| May | 18.9 °C | +1.2 °C | 49 mm | -16 mm |
| Jun | 25.6 °C | +4.5 °C | 54 mm | -16 mm |
| Jul | 24.8 °C | +1.8 °C | 93 mm | +18 mm |
| Aug | 25.9 °C | +3.1 °C | 44 mm | -25 mm |
| Sep | 21.3 °C | +2.5 °C | 76 mm | +21 mm |
| Oct | 13.2 °C | -0.2 °C | 73 mm | +23 mm |
| Nov | 8.7 °C | +1.6 °C | 35 mm | -20 mm |
| Dec | 5.7 °C | +2.3 °C | 23 mm | -35 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Grimma?
Grimma has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 9.2 °C and it receives 699 mm of precipitation per year.
What is the hottest day ever recorded in Grimma?
The hottest day measured in Grimma between 1940 and 2025 was 16 July 2007, reaching 37.0 °C.
What is the coldest day in Grimma?
The coldest day measured in Grimma between 1940 and 2025 was 18 January 1940, at -26.5 °C.
Does it snow in Grimma?
Yes. Grimma gets on average 51.0 cm of snow per year and has around 74 frost days.
Has the climate of Grimma warmed?
Yes: Grimma warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Grimma?
The wettest day measured in Grimma between 1940 and 2025 was 8 August 1978, with 78 mm of rain in 24 hours.
What was the windiest day in Grimma?
The windiest day measured in Grimma between 1940 and 2025 was 18 January 2007, with winds reaching 54.0 km/h.
What is the warmest month in Grimma?
The warmest month in Grimma is July (18.5 °C on average); the coldest is January (-0.1 °C).
How much does it rain in Grimma?
Grimma receives on average 699 mm of precipitation per year, spread over about 141 rainy days.
Is it sunny in Grimma?
Grimma gets on average 7.7 hours of sunshine per day, roughly 2,811 hours per year over 1940-2025.
What is the biggest single-day snowfall in Grimma?
The heaviest 24-hour snowfall measured in Grimma between 1940 and 2025 was 5 March 1970, with 13.2 cm.
Are there tropical nights in Grimma?
Yes: Grimma has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Grimma?
In Grimma, between 1940 and 2025, the highest apparent temperature reached 40.7 °C on 3 August 1943, and the lowest was -31.2 °C on 18 January 1940.
Compare Grimma with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Grimma