Assens climate — normals and trends
Assens (Denmark) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.6 °C and it receives 781 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 August (16.8 °C on average) and the coldest is January (1.1 °C). Rainfall peaks in August.
Assens averages 53 frost days, 0 hot days (≥ 30 °C) and 143 rainy days per year.
Assens has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.
The number of frost days there went from about 75 to 31 per year over the period.
The hottest day of the period reached 30.8 °C (on 11 August 1975) and the coldest -16.3 °C (on 25 January 1942).
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
AssensSouth Denmark
- coords
- 55.27°, 9.90°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.6°C
Average daily high
10.7°C
Average daily low
6.6°C
Annual rainfall
781mm
Sunshine / day
7.9h
Mean relative humidity
82%
Average peak wind
25.0km/h
Seasonal range
15.7°C
Frost days (< 0 °C)
53 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
143 d/yr
Annual snowfall
40.9 cm
Average feels-like high
7.3 °C
Average feels-like low
2.8 °C
Average peak gust
38.8 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.47 · 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
30.8 °C
11 August 1975
Coldest day
-16.3 °C
25 January 1942
Wettest day
60 mm
25 July 2015
Windiest day
75.0 km/h
3 December 1999
Strongest gust
132.8 km/h
3 December 1999
Hottest feels-like
31.7 °C
10 July 2010
Coldest feels-like
-24.7 °C
25 January 1942
Snowiest day
14.9 cm
10 April 1970
Sunniest day
17.0 h
23 June 2009
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 | 4.4 °C | +1.9 °C | 93 mm | +25 mm |
| Feb | 3.4 °C | +0.8 °C | 20 mm | -33 mm |
| Mar | 8.4 °C | +3.5 °C | 15 mm | -37 mm |
| Apr | 12.3 °C | +3.6 °C | 34 mm | -13 mm |
| May | 15.1 °C | +1.4 °C | 38 mm | -18 mm |
| Jun | 18.3 °C | +0.8 °C | 71 mm | +6 mm |
| Jul | 20.9 °C | +1.5 °C | 126 mm | +51 mm |
| Aug | 20.0 °C | +0.6 °C | 44 mm | -35 mm |
| Sep | 17.8 °C | +1.5 °C | 64 mm | -6 mm |
| Oct | 12.8 °C | +1.1 °C | 116 mm | +41 mm |
| Nov | 8.1 °C | +1.0 °C | 66 mm | -6 mm |
| Dec | 6.5 °C | +2.4 °C | 40 mm | -31 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 Assens?
Assens has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 8.6 °C and it receives 781 mm of precipitation per year.
What is the hottest day ever recorded in Assens?
The hottest day measured in Assens between 1940 and 2025 was 11 August 1975, reaching 30.8 °C.
What is the coldest day in Assens?
The coldest day measured in Assens between 1940 and 2025 was 25 January 1942, at -16.3 °C.
Does it snow in Assens?
Yes. Assens gets on average 40.9 cm of snow per year and has around 53 frost days.
Has the climate of Assens warmed?
Yes: Assens warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Assens?
The wettest day measured in Assens between 1940 and 2025 was 25 July 2015, with 60 mm of rain in 24 hours.
What was the windiest day in Assens?
The windiest day measured in Assens between 1940 and 2025 was 3 December 1999, with winds reaching 75.0 km/h.
What is the warmest month in Assens?
The warmest month in Assens is August (16.8 °C on average); the coldest is January (1.1 °C).
How much does it rain in Assens?
Assens receives on average 781 mm of precipitation per year, spread over about 143 rainy days.
Is it sunny in Assens?
Assens gets on average 7.9 hours of sunshine per day, roughly 2,884 hours per year over 1940-2025.
What is the biggest single-day snowfall in Assens?
The heaviest 24-hour snowfall measured in Assens between 1940 and 2025 was 10 April 1970, with 14.9 cm.
Are there tropical nights in Assens?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Assens.
What was the most extreme apparent temperature in Assens?
In Assens, between 1940 and 2025, the highest apparent temperature reached 31.7 °C on 10 July 2010, and the lowest was -24.7 °C on 25 January 1942.
Compare Assens with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Assens