Fetsund climate — normals and trends
Fetsund (Norway) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 5.3 °C and it receives 826 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 (16.4 °C on average) and the coldest is January (-5.6 °C). Rainfall peaks in August.
Fetsund averages 145 frost days, 1 hot days (≥ 30 °C) and 127 rainy days per year.
Fetsund has warmed by +2.7 °C between 1940 and 2025, or +0.32 °C per decade. This trend is statistically significant.
The number of frost days there went from about 164 to 126 per year over the period.
The hottest day of the period reached 33.4 °C (on 10 August 1975) and the coldest -30.5 °C (on 14 December 1981).
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
FetsundAkershus
- coords
- 59.92°, 11.16°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
5.3°C
Average daily high
8.8°C
Average daily low
1.5°C
Annual rainfall
826mm
Sunshine / day
7.2h
Mean relative humidity
78%
Average peak wind
14.8km/h
Seasonal range
22.0°C
Frost days (< 0 °C)
145 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
127 d/yr
Annual snowfall
146.9 cm
Average feels-like high
5.9 °C
Average feels-like low
-1.7 °C
Average peak gust
33.0 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
9.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.7 °C
since 1940
+0.3 °C per decade · r² = 0.40 · 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
33.4 °C
10 August 1975
Coldest day
-30.5 °C
14 December 1981
Wettest day
53 mm
12 September 1956
Windiest day
40.5 km/h
19 April 1980
Strongest gust
99.0 km/h
15 September 1994
Hottest feels-like
33.0 °C
26 July 2019
Coldest feels-like
-36.0 °C
14 December 1981
Snowiest day
23.2 cm
31 March 1962
Sunniest day
18.0 h
19 June 1941
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 0.0 °C | +3.1 °C | 90 mm | +35 mm |
| Feb | 0.7 °C | +2.5 °C | 29 mm | -14 mm |
| Mar | 8.1 °C | +5.0 °C | 11 mm | -32 mm |
| Apr | 13.8 °C | +5.0 °C | 33 mm | -17 mm |
| May | 16.6 °C | +1.6 °C | 38 mm | -29 mm |
| Jun | 19.1 °C | +0.2 °C | 98 mm | +12 mm |
| Jul | 24.4 °C | +3.7 °C | 121 mm | +27 mm |
| Aug | 19.9 °C | +0.5 °C | 81 mm | -16 mm |
| Sep | 16.5 °C | +1.7 °C | 140 mm | +61 mm |
| Oct | 10.0 °C | +1.3 °C | 125 mm | +48 mm |
| Nov | 5.0 °C | +2.3 °C | 71 mm | -3 mm |
| Dec | 3.4 °C | +4.6 °C | 86 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 Fetsund?
Fetsund has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 5.3 °C and it receives 826 mm of precipitation per year.
What is the hottest day ever recorded in Fetsund?
The hottest day measured in Fetsund between 1940 and 2025 was 10 August 1975, reaching 33.4 °C.
What is the coldest day in Fetsund?
The coldest day measured in Fetsund between 1940 and 2025 was 14 December 1981, at -30.5 °C.
Does it snow in Fetsund?
Yes. Fetsund gets on average 146.9 cm of snow per year and has around 145 frost days.
Has the climate of Fetsund warmed?
Yes: Fetsund warmed by +2.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Fetsund?
The wettest day measured in Fetsund between 1940 and 2025 was 12 September 1956, with 53 mm of rain in 24 hours.
What was the windiest day in Fetsund?
The windiest day measured in Fetsund between 1940 and 2025 was 19 April 1980, with winds reaching 40.5 km/h.
What is the warmest month in Fetsund?
The warmest month in Fetsund is July (16.4 °C on average); the coldest is January (-5.6 °C).
How much does it rain in Fetsund?
Fetsund receives on average 826 mm of precipitation per year, spread over about 127 rainy days.
Is it sunny in Fetsund?
Fetsund gets on average 7.2 hours of sunshine per day, roughly 2,628 hours per year over 1940-2025.
What is the biggest single-day snowfall in Fetsund?
The heaviest 24-hour snowfall measured in Fetsund between 1940 and 2025 was 31 March 1962, with 23.2 cm.
Are there tropical nights in Fetsund?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Fetsund.
What was the most extreme apparent temperature in Fetsund?
In Fetsund, between 1940 and 2025, the highest apparent temperature reached 33.0 °C on 26 July 2019, and the lowest was -36.0 °C on 14 December 1981.
Compare Fetsund with another city
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Nearby cities
The climate around Fetsund