Kongsberg climate — normals and trends
Kongsberg (Norway) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 4.1 °C and it receives 1,005 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 (15.6 °C on average) and the coldest is January (-7.5 °C). Rainfall peaks in August.
Kongsberg averages 167 frost days, 0 hot days (≥ 30 °C) and 137 rainy days per year.
Kongsberg has warmed by +3.1 °C between 1940 and 2025, or +0.36 °C per decade. This trend is statistically significant.
The number of frost days there went from about 189 to 145 per year over the period.
The hottest day of the period reached 32.3 °C (on 10 August 1975) and the coldest -32.7 °C (on 8 January 1982).
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
KongsbergBuskerud
- coords
- 59.67°, 9.65°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
4.1°C
Average daily high
7.7°C
Average daily low
0.5°C
Annual rainfall
1,005mm
Sunshine / day
7.8h
Mean relative humidity
79%
Average peak wind
11.3km/h
Seasonal range
23.1°C
Frost days (< 0 °C)
167 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
137 d/yr
Annual snowfall
238.5 cm
Average feels-like high
4.9 °C
Average feels-like low
-2.5 °C
Average peak gust
31.8 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
9.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.1 °C
since 1940
+0.4 °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
32.3 °C
10 August 1975
Coldest day
-32.7 °C
8 January 1982
Wettest day
67 mm
2 September 2015
Windiest day
33.9 km/h
15 January 1952
Strongest gust
110.9 km/h
16 October 1987
Hottest feels-like
31.4 °C
7 July 1991
Coldest feels-like
-37.8 °C
8 January 1982
Snowiest day
32.5 cm
14 October 1976
Sunniest day
17.9 h
15 June 2015
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 | -2.2 °C | +2.7 °C | 119 mm | +48 mm |
| Feb | -0.4 °C | +2.3 °C | 33 mm | -19 mm |
| Mar | 6.1 °C | +3.6 °C | 24 mm | -32 mm |
| Apr | 11.0 °C | +3.6 °C | 35 mm | -21 mm |
| May | 15.7 °C | +2.2 °C | 32 mm | -47 mm |
| Jun | 18.1 °C | +0.3 °C | 83 mm | -11 mm |
| Jul | 22.9 °C | +3.2 °C | 160 mm | +47 mm |
| Aug | 19.2 °C | +0.8 °C | 89 mm | -26 mm |
| Sep | 15.1 °C | +1.1 °C | 183 mm | +85 mm |
| Oct | 9.7 °C | +1.8 °C | 167 mm | +69 mm |
| Nov | 4.0 °C | +2.5 °C | 81 mm | -17 mm |
| Dec | 2.1 °C | +5.1 °C | 108 mm | +33 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 Kongsberg?
Kongsberg has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 4.1 °C and it receives 1,005 mm of precipitation per year.
What is the hottest day ever recorded in Kongsberg?
The hottest day measured in Kongsberg between 1940 and 2025 was 10 August 1975, reaching 32.3 °C.
What is the coldest day in Kongsberg?
The coldest day measured in Kongsberg between 1940 and 2025 was 8 January 1982, at -32.7 °C.
Does it snow in Kongsberg?
Yes. Kongsberg gets on average 238.5 cm of snow per year and has around 167 frost days.
Has the climate of Kongsberg warmed?
Yes: Kongsberg warmed by +3.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Kongsberg?
The wettest day measured in Kongsberg between 1940 and 2025 was 2 September 2015, with 67 mm of rain in 24 hours.
What was the windiest day in Kongsberg?
The windiest day measured in Kongsberg between 1940 and 2025 was 15 January 1952, with winds reaching 33.9 km/h.
What is the warmest month in Kongsberg?
The warmest month in Kongsberg is July (15.6 °C on average); the coldest is January (-7.5 °C).
How much does it rain in Kongsberg?
Kongsberg receives on average 1,005 mm of precipitation per year, spread over about 137 rainy days.
Is it sunny in Kongsberg?
Kongsberg gets on average 7.8 hours of sunshine per day, roughly 2,847 hours per year over 1940-2025.
What is the biggest single-day snowfall in Kongsberg?
The heaviest 24-hour snowfall measured in Kongsberg between 1940 and 2025 was 14 October 1976, with 32.5 cm.
Are there tropical nights in Kongsberg?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Kongsberg.
What was the most extreme apparent temperature in Kongsberg?
In Kongsberg, between 1940 and 2025, the highest apparent temperature reached 31.4 °C on 7 July 1991, and the lowest was -37.8 °C on 8 January 1982.
Compare Kongsberg with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Kongsberg