Mosjøen climate — normals and trends
Mosjøen (Norway) has a subarctic climate (Dfc) under the Köppen-Geiger classification. Its mean annual temperature is 1.0 °C and it receives 1,748 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 (12.8 °C on average) and the coldest is January (-9.2 °C). Rainfall peaks in December.
Mosjøen averages 201 frost days, 0 hot days (≥ 30 °C) and 206 rainy days per year.
Mosjøen has warmed by +4.4 °C between 1940 and 2025, or +0.52 °C per decade. This trend is statistically significant.
The number of frost days there went from about 230 to 172 per year over the period.
The hottest day of the period reached 31.7 °C (on 27 July 2019) and the coldest -36.1 °C (on 8 February 1985).
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
MosjøenNordland
- coords
- 65.84°, 13.19°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
1.0°C
Average daily high
4.1°C
Average daily low
-2.4°C
Annual rainfall
1,748mm
Sunshine / day
6.2h
Mean relative humidity
84%
Average peak wind
11.0km/h
Seasonal range
22.0°C
Frost days (< 0 °C)
201 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
206 d/yr
Annual snowfall
549.0 cm
Average feels-like high
1.1 °C
Average feels-like low
-5.7 °C
Average peak gust
37.9 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
8.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+4.4 °C
since 1940
+0.5 °C per decade · r² = 0.63 · 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
31.7 °C
27 July 2019
Coldest day
-36.1 °C
8 February 1985
Wettest day
75 mm
14 February 2001
Windiest day
42.3 km/h
15 January 1982
Strongest gust
158.0 km/h
14 January 1982
Hottest feels-like
33.9 °C
27 July 2019
Coldest feels-like
-41.9 °C
9 January 1987
Snowiest day
39.7 cm
3 March 1951
Sunniest day
20.8 h
30 June 2017
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 | -2.6 °C | +3.9 °C | 267 mm | +97 mm |
| Feb | -0.5 °C | +5.3 °C | 104 mm | -43 mm |
| Mar | 1.7 °C | +3.5 °C | 328 mm | +164 mm |
| Apr | 4.7 °C | +2.0 °C | 224 mm | +102 mm |
| May | 8.8 °C | +1.0 °C | 153 mm | +52 mm |
| Jun | 14.2 °C | +1.6 °C | 217 mm | +98 mm |
| Jul | 22.6 °C | +6.2 °C | 67 mm | -65 mm |
| Aug | 15.9 °C | +0.8 °C | 228 mm | +89 mm |
| Sep | 14.7 °C | +4.3 °C | 134 mm | -31 mm |
| Oct | 6.4 °C | +2.2 °C | 211 mm | +40 mm |
| Nov | -1.2 °C | +0.5 °C | 182 mm | +38 mm |
| Dec | 0.1 °C | +4.7 °C | 184 mm | +9 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 Mosjøen?
Mosjøen has a subarctic climate (Köppen Dfc). Over 1940-2025, the average annual temperature is 1.0 °C and it receives 1,748 mm of precipitation per year.
What is the hottest day ever recorded in Mosjøen?
The hottest day measured in Mosjøen between 1940 and 2025 was 27 July 2019, reaching 31.7 °C.
What is the coldest day in Mosjøen?
The coldest day measured in Mosjøen between 1940 and 2025 was 8 February 1985, at -36.1 °C.
Does it snow in Mosjøen?
Yes. Mosjøen gets on average 549.0 cm of snow per year and has around 201 frost days.
Has the climate of Mosjøen warmed?
Yes: Mosjøen warmed by +4.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Mosjøen?
The wettest day measured in Mosjøen between 1940 and 2025 was 14 February 2001, with 75 mm of rain in 24 hours.
What was the windiest day in Mosjøen?
The windiest day measured in Mosjøen between 1940 and 2025 was 15 January 1982, with winds reaching 42.3 km/h.
What is the warmest month in Mosjøen?
The warmest month in Mosjøen is July (12.8 °C on average); the coldest is January (-9.2 °C).
How much does it rain in Mosjøen?
Mosjøen receives on average 1,748 mm of precipitation per year, spread over about 206 rainy days.
Is it sunny in Mosjøen?
Mosjøen gets on average 6.2 hours of sunshine per day, roughly 2,263 hours per year over 1940-2025.
What is the biggest single-day snowfall in Mosjøen?
The heaviest 24-hour snowfall measured in Mosjøen between 1940 and 2025 was 3 March 1951, with 39.7 cm.
Are there tropical nights in Mosjøen?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Mosjøen.
What was the most extreme apparent temperature in Mosjøen?
In Mosjøen, between 1940 and 2025, the highest apparent temperature reached 33.9 °C on 27 July 2019, and the lowest was -41.9 °C on 9 January 1987.
Compare Mosjøen with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Mosjøen