Belomorsk climate — normals and trends
Belomorsk (Russia) has a subarctic climate (Dfc) under the Köppen-Geiger classification. Its mean annual temperature is 1.3 °C and it receives 569 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 (13.0 °C on average) and the coldest is January (-9.8 °C). Rainfall peaks in September.
Belomorsk averages 187 frost days, 0 hot days (≥ 30 °C) and 125 rainy days per year.
Belomorsk has warmed by +3.8 °C between 1940 and 2025, or +0.44 °C per decade. This trend is statistically significant.
The number of frost days there went from about 207 to 167 per year over the period.
The hottest day of the period reached 28.6 °C (on 28 July 2010) and the coldest -35.4 °C (on 15 January 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
BelomorskRepublic of Karelia
- coords
- 64.53°, 34.76°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
1.3°C
Average daily high
3.5°C
Average daily low
-0.9°C
Annual rainfall
569mm
Sunshine / day
6.8h
Mean relative humidity
82%
Average peak wind
21.7km/h
Seasonal range
22.8°C
Frost days (< 0 °C)
187 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
125 d/yr
Annual snowfall
147.8 cm
Average feels-like high
-0.6 °C
Average feels-like low
-5.5 °C
Average peak gust
34.9 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
8.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.8 °C
since 1940
+0.4 °C per decade · r² = 0.52 · 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
28.6 °C
28 July 2010
Coldest day
-35.4 °C
15 January 1940
Wettest day
49 mm
17 August 1987
Windiest day
57.3 km/h
4 March 1953
Strongest gust
94.0 km/h
26 March 2022
Hottest feels-like
30.2 °C
28 July 2010
Coldest feels-like
-43.4 °C
15 January 1940
Snowiest day
21.8 cm
2 June 1962
Sunniest day
20.1 h
30 June 2003
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 | -4.1 °C | +3.6 °C | 47 mm | +17 mm |
| Feb | -3.3 °C | +4.3 °C | 11 mm | -13 mm |
| Mar | 0.8 °C | +4.0 °C | 38 mm | +11 mm |
| Apr | 4.6 °C | +2.4 °C | 19 mm | -16 mm |
| May | 9.0 °C | +1.8 °C | 56 mm | +13 mm |
| Jun | 13.9 °C | +2.1 °C | 64 mm | +8 mm |
| Jul | 18.6 °C | +3.3 °C | 69 mm | +10 mm |
| Aug | 17.6 °C | +2.5 °C | 60 mm | -10 mm |
| Sep | 15.2 °C | +4.7 °C | 62 mm | -9 mm |
| Oct | 7.2 °C | +3.3 °C | 45 mm | -23 mm |
| Nov | 1.8 °C | +2.8 °C | 62 mm | +14 mm |
| Dec | -1.0 °C | +3.6 °C | 75 mm | +38 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 Belomorsk?
Belomorsk has a subarctic climate (Köppen Dfc). Over 1940-2025, the average annual temperature is 1.3 °C and it receives 569 mm of precipitation per year.
What is the hottest day ever recorded in Belomorsk?
The hottest day measured in Belomorsk between 1940 and 2025 was 28 July 2010, reaching 28.6 °C.
What is the coldest day in Belomorsk?
The coldest day measured in Belomorsk between 1940 and 2025 was 15 January 1940, at -35.4 °C.
Does it snow in Belomorsk?
Yes. Belomorsk gets on average 147.8 cm of snow per year and has around 187 frost days.
Has the climate of Belomorsk warmed?
Yes: Belomorsk warmed by +3.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Belomorsk?
The wettest day measured in Belomorsk between 1940 and 2025 was 17 August 1987, with 49 mm of rain in 24 hours.
What was the windiest day in Belomorsk?
The windiest day measured in Belomorsk between 1940 and 2025 was 4 March 1953, with winds reaching 57.3 km/h.
What is the warmest month in Belomorsk?
The warmest month in Belomorsk is August (13.0 °C on average); the coldest is January (-9.8 °C).
How much does it rain in Belomorsk?
Belomorsk receives on average 569 mm of precipitation per year, spread over about 125 rainy days.
Is it sunny in Belomorsk?
Belomorsk gets on average 6.8 hours of sunshine per day, roughly 2,482 hours per year over 1940-2025.
What is the biggest single-day snowfall in Belomorsk?
The heaviest 24-hour snowfall measured in Belomorsk between 1940 and 2025 was 2 June 1962, with 21.8 cm.
Are there tropical nights in Belomorsk?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Belomorsk.
What was the most extreme apparent temperature in Belomorsk?
In Belomorsk, between 1940 and 2025, the highest apparent temperature reached 30.2 °C on 28 July 2010, and the lowest was -43.4 °C on 15 January 1940.
Compare Belomorsk with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Belomorsk