Sortavala climate — normals and trends
Sortavala (Russia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 4.1 °C and it receives 671 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 (17.1 °C on average) and the coldest is January (-7.7 °C). Rainfall peaks in August.
Sortavala averages 153 frost days, 0 hot days (≥ 30 °C) and 139 rainy days per year.
Sortavala has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.
The number of frost days there went from about 170 to 136 per year over the period.
The hottest day of the period reached 32.0 °C (on 29 July 2010) and the coldest -34.8 °C (on 9 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
SortavalaRepublic of Karelia
- coords
- 61.71°, 30.71°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
4.1°C
Average daily high
6.7°C
Average daily low
1.3°C
Annual rainfall
671mm
Sunshine / day
7.1h
Mean relative humidity
82%
Average peak wind
20.4km/h
Seasonal range
24.8°C
Frost days (< 0 °C)
153 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
139 d/yr
Annual snowfall
174.3 cm
Average feels-like high
3.2 °C
Average feels-like low
-2.7 °C
Average peak gust
35.3 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
9.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.35 · 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
32.0 °C
29 July 2010
Coldest day
-34.8 °C
9 January 1987
Wettest day
54 mm
3 August 2021
Windiest day
53.6 km/h
23 January 1995
Strongest gust
93.6 km/h
23 January 1995
Hottest feels-like
34.5 °C
13 July 2025
Coldest feels-like
-41.2 °C
9 January 1987
Snowiest day
17.2 cm
14 March 1949
Sunniest day
18.0 h
12 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 | -0.9 °C | +4.6 °C | 72 mm | +20 mm |
| Feb | -2.4 °C | +2.6 °C | 13 mm | -31 mm |
| Mar | 3.4 °C | +3.9 °C | 37 mm | -4 mm |
| Apr | 7.0 °C | +1.8 °C | 47 mm | +9 mm |
| May | 11.9 °C | +0.3 °C | 62 mm | +20 mm |
| Jun | 16.5 °C | -0.6 °C | 68 mm | +10 mm |
| Jul | 24.2 °C | +3.9 °C | 43 mm | -22 mm |
| Aug | 19.4 °C | +0.8 °C | 76 mm | -2 mm |
| Sep | 16.4 °C | +3.3 °C | 31 mm | -31 mm |
| Oct | 8.6 °C | +1.9 °C | 37 mm | -26 mm |
| Nov | 4.3 °C | +3.2 °C | 72 mm | +7 mm |
| Dec | 1.4 °C | +4.1 °C | 71 mm | +7 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 Sortavala?
Sortavala has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 4.1 °C and it receives 671 mm of precipitation per year.
What is the hottest day ever recorded in Sortavala?
The hottest day measured in Sortavala between 1940 and 2025 was 29 July 2010, reaching 32.0 °C.
What is the coldest day in Sortavala?
The coldest day measured in Sortavala between 1940 and 2025 was 9 January 1987, at -34.8 °C.
Does it snow in Sortavala?
Yes. Sortavala gets on average 174.3 cm of snow per year and has around 153 frost days.
Has the climate of Sortavala warmed?
Yes: Sortavala warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sortavala?
The wettest day measured in Sortavala between 1940 and 2025 was 3 August 2021, with 54 mm of rain in 24 hours.
What was the windiest day in Sortavala?
The windiest day measured in Sortavala between 1940 and 2025 was 23 January 1995, with winds reaching 53.6 km/h.
What is the warmest month in Sortavala?
The warmest month in Sortavala is July (17.1 °C on average); the coldest is January (-7.7 °C).
How much does it rain in Sortavala?
Sortavala receives on average 671 mm of precipitation per year, spread over about 139 rainy days.
Is it sunny in Sortavala?
Sortavala gets on average 7.1 hours of sunshine per day, roughly 2,592 hours per year over 1940-2025.
What is the biggest single-day snowfall in Sortavala?
The heaviest 24-hour snowfall measured in Sortavala between 1940 and 2025 was 14 March 1949, with 17.2 cm.
Are there tropical nights in Sortavala?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Sortavala.
What was the most extreme apparent temperature in Sortavala?
In Sortavala, between 1940 and 2025, the highest apparent temperature reached 34.5 °C on 13 July 2025, and the lowest was -41.2 °C on 9 January 1987.
Compare Sortavala with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sortavala