Gnarrenburg climate — normals and trends
Gnarrenburg (Germany) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.2 °C and it receives 817 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 (17.2 °C on average) and the coldest is January (1.1 °C). Rainfall peaks in July.
Gnarrenburg averages 61 frost days, 3 hot days (≥ 30 °C) and 153 rainy days per year.
Gnarrenburg has warmed by +2.1 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.
The number of frost days there went from about 78 to 44 per year over the period.
The hottest day of the period reached 35.6 °C (on 12 July 1941) and the coldest -25.2 °C (on 13 February 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
GnarrenburgLower Saxony
- coords
- 53.39°, 9.01°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.2°C
Average daily high
12.5°C
Average daily low
6.1°C
Annual rainfall
817mm
Sunshine / day
7.4h
Mean relative humidity
80%
Average peak wind
18.2km/h
Seasonal range
16.1°C
Frost days (< 0 °C)
61 d/yr
Hot days (≥ 30 °C)
3 d/yr
Rainy days (≥ 1 mm)
153 d/yr
Annual snowfall
31.7 cm
Average feels-like high
9.9 °C
Average feels-like low
3.1 °C
Average peak gust
38.5 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.2 °C per decade · r² = 0.41 · 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
35.6 °C
12 July 1941
Coldest day
-25.2 °C
13 February 1940
Wettest day
60 mm
18 July 2002
Windiest day
57.2 km/h
13 November 1972
Strongest gust
124.9 km/h
14 January 1993
Hottest feels-like
38.6 °C
4 July 2015
Coldest feels-like
-30.4 °C
13 February 1940
Snowiest day
14.8 cm
8 February 1966
Sunniest day
16.5 h
21 June 2025
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 | 4.5 °C | +1.4 °C | 70 mm | +7 mm |
| Feb | 5.0 °C | +0.9 °C | 15 mm | -37 mm |
| Mar | 11.9 °C | +4.2 °C | 16 mm | -42 mm |
| Apr | 15.6 °C | +3.3 °C | 28 mm | -30 mm |
| May | 18.5 °C | +1.7 °C | 44 mm | -26 mm |
| Jun | 22.0 °C | +2.3 °C | 117 mm | +37 mm |
| Jul | 22.4 °C | +1.1 °C | 119 mm | +27 mm |
| Aug | 23.3 °C | +2.0 °C | 54 mm | -31 mm |
| Sep | 19.8 °C | +1.8 °C | 52 mm | -13 mm |
| Oct | 13.6 °C | +0.5 °C | 106 mm | +41 mm |
| Nov | 8.8 °C | +1.2 °C | 81 mm | +17 mm |
| Dec | 6.8 °C | +2.4 °C | 41 mm | -25 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 Gnarrenburg?
Gnarrenburg has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.2 °C and it receives 817 mm of precipitation per year.
What is the hottest day ever recorded in Gnarrenburg?
The hottest day measured in Gnarrenburg between 1940 and 2025 was 12 July 1941, reaching 35.6 °C.
What is the coldest day in Gnarrenburg?
The coldest day measured in Gnarrenburg between 1940 and 2025 was 13 February 1940, at -25.2 °C.
Does it snow in Gnarrenburg?
Yes. Gnarrenburg gets on average 31.7 cm of snow per year and has around 61 frost days.
Has the climate of Gnarrenburg warmed?
Yes: Gnarrenburg warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Gnarrenburg?
The wettest day measured in Gnarrenburg between 1940 and 2025 was 18 July 2002, with 60 mm of rain in 24 hours.
What was the windiest day in Gnarrenburg?
The windiest day measured in Gnarrenburg between 1940 and 2025 was 13 November 1972, with winds reaching 57.2 km/h.
What is the warmest month in Gnarrenburg?
The warmest month in Gnarrenburg is July (17.2 °C on average); the coldest is January (1.1 °C).
How much does it rain in Gnarrenburg?
Gnarrenburg receives on average 817 mm of precipitation per year, spread over about 153 rainy days.
Is it sunny in Gnarrenburg?
Gnarrenburg gets on average 7.4 hours of sunshine per day, roughly 2,701 hours per year over 1940-2025.
What is the biggest single-day snowfall in Gnarrenburg?
The heaviest 24-hour snowfall measured in Gnarrenburg between 1940 and 2025 was 8 February 1966, with 14.8 cm.
Are there tropical nights in Gnarrenburg?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Gnarrenburg.
What was the most extreme apparent temperature in Gnarrenburg?
In Gnarrenburg, between 1940 and 2025, the highest apparent temperature reached 38.6 °C on 4 July 2015, and the lowest was -30.4 °C on 13 February 1940.
Compare Gnarrenburg with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Gnarrenburg