Suoyarvi climate — normals and trends
Suoyarvi (Russia) has a subarctic climate (Dfc) under the Köppen-Geiger classification. Its mean annual temperature is 2.7 °C and it receives 692 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 (16.6 °C on average) and the coldest is January (-10.6 °C). Rainfall peaks in August.
Suoyarvi averages 183 frost days, 1 hot days (≥ 30 °C) and 141 rainy days per year.
Suoyarvi has warmed by +2.4 °C between 1940 and 2025, or +0.29 °C per decade. This trend is statistically significant.
The number of frost days there went from about 195 to 171 per year over the period.
The hottest day of the period reached 33.6 °C (on 29 July 2010) and the coldest -42.5 °C (on 13 January 1987).
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
SuoyarviRepublic of Karelia
- coords
- 62.09°, 32.37°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
2.7°C
Average daily high
6.1°C
Average daily low
-0.9°C
Annual rainfall
692mm
Sunshine / day
6.6h
Mean relative humidity
80%
Average peak wind
15.9km/h
Seasonal range
27.2°C
Frost days (< 0 °C)
183 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
141 d/yr
Annual snowfall
177.4 cm
Average feels-like high
2.8 °C
Average feels-like low
-4.6 °C
Average peak gust
35.7 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
8.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °C
since 1940
+0.3 °C per decade · r² = 0.32 · 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
33.6 °C
29 July 2010
Coldest day
-42.5 °C
13 January 1987
Wettest day
45 mm
17 August 1987
Windiest day
38.4 km/h
4 October 1949
Strongest gust
92.9 km/h
4 February 1971
Hottest feels-like
35.3 °C
29 July 2010
Coldest feels-like
-47.6 °C
13 January 1987
Snowiest day
15.5 cm
17 February 2024
Sunniest day
18.3 h
26 June 2023
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 | -2.5 °C | +5.5 °C | 67 mm | +23 mm |
| Feb | -3.6 °C | +3.4 °C | 13 mm | -24 mm |
| Mar | 3.0 °C | +4.2 °C | 42 mm | +2 mm |
| Apr | 7.7 °C | +1.9 °C | 50 mm | +10 mm |
| May | 13.8 °C | +0.2 °C | 56 mm | +7 mm |
| Jun | 17.6 °C | -0.8 °C | 94 mm | +25 mm |
| Jul | 24.8 °C | +4.0 °C | 33 mm | -46 mm |
| Aug | 19.2 °C | +0.6 °C | 89 mm | +3 mm |
| Sep | 16.9 °C | +4.2 °C | 38 mm | -30 mm |
| Oct | 7.3 °C | +1.9 °C | 28 mm | -34 mm |
| Nov | 2.6 °C | +3.4 °C | 70 mm | +10 mm |
| Dec | -0.4 °C | +4.5 °C | 68 mm | +12 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 Suoyarvi?
Suoyarvi has a subarctic climate (Köppen Dfc). Over 1940-2025, the average annual temperature is 2.7 °C and it receives 692 mm of precipitation per year.
What is the hottest day ever recorded in Suoyarvi?
The hottest day measured in Suoyarvi between 1940 and 2025 was 29 July 2010, reaching 33.6 °C.
What is the coldest day in Suoyarvi?
The coldest day measured in Suoyarvi between 1940 and 2025 was 13 January 1987, at -42.5 °C.
Does it snow in Suoyarvi?
Yes. Suoyarvi gets on average 177.4 cm of snow per year and has around 183 frost days.
Has the climate of Suoyarvi warmed?
Yes: Suoyarvi warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Suoyarvi?
The wettest day measured in Suoyarvi between 1940 and 2025 was 17 August 1987, with 45 mm of rain in 24 hours.
What was the windiest day in Suoyarvi?
The windiest day measured in Suoyarvi between 1940 and 2025 was 4 October 1949, with winds reaching 38.4 km/h.
What is the warmest month in Suoyarvi?
The warmest month in Suoyarvi is July (16.6 °C on average); the coldest is January (-10.6 °C).
How much does it rain in Suoyarvi?
Suoyarvi receives on average 692 mm of precipitation per year, spread over about 141 rainy days.
Is it sunny in Suoyarvi?
Suoyarvi gets on average 6.6 hours of sunshine per day, roughly 2,409 hours per year over 1940-2025.
What is the biggest single-day snowfall in Suoyarvi?
The heaviest 24-hour snowfall measured in Suoyarvi between 1940 and 2025 was 17 February 2024, with 15.5 cm.
Are there tropical nights in Suoyarvi?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Suoyarvi.
What was the most extreme apparent temperature in Suoyarvi?
In Suoyarvi, between 1940 and 2025, the highest apparent temperature reached 35.3 °C on 29 July 2010, and the lowest was -47.6 °C on 13 January 1987.
Compare Suoyarvi with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Suoyarvi