Olonets climate — normals and trends
Olonets (Russia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 3.7 °C and it receives 761 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 (17.6 °C on average) and the coldest is January (-9.4 °C). Rainfall peaks in August.
Olonets averages 162 frost days, 1 hot days (≥ 30 °C) and 146 rainy days per year.
Olonets has warmed by +2.7 °C between 1940 and 2025, or +0.32 °C per decade. This trend is statistically significant.
The number of frost days there went from about 177 to 147 per year over the period.
The hottest day of the period reached 34.4 °C (on 8 July 1972) and the coldest -40.2 °C (on 12 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
OlonetsRepublic of Karelia
- coords
- 60.98°, 32.97°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
3.7°C
Average daily high
6.6°C
Average daily low
0.6°C
Annual rainfall
761mm
Sunshine / day
7.1h
Mean relative humidity
80%
Average peak wind
17.8km/h
Seasonal range
27.0°C
Frost days (< 0 °C)
162 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
146 d/yr
Annual snowfall
179.7 cm
Average feels-like high
3.3 °C
Average feels-like low
-3.1 °C
Average peak gust
35.1 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
9.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.7 °C
since 1940
+0.3 °C per decade · r² = 0.38 · 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
34.4 °C
8 July 1972
Coldest day
-40.2 °C
12 January 1987
Wettest day
53 mm
31 August 2022
Windiest day
45.2 km/h
7 September 1977
Strongest gust
87.1 km/h
7 September 1977
Hottest feels-like
35.9 °C
13 July 2025
Coldest feels-like
-45.5 °C
12 January 1987
Snowiest day
16.5 cm
23 March 1971
Sunniest day
18.1 h
19 June 2023
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 | -0.8 °C | +6.2 °C | 116 mm | +61 mm |
| Feb | -3.5 °C | +2.7 °C | 17 mm | -26 mm |
| Mar | 3.1 °C | +4.1 °C | 58 mm | +12 mm |
| Apr | 7.2 °C | +1.6 °C | 47 mm | +5 mm |
| May | 13.8 °C | +1.1 °C | 77 mm | +30 mm |
| Jun | 17.7 °C | -0.7 °C | 104 mm | +43 mm |
| Jul | 24.9 °C | +3.8 °C | 39 mm | -44 mm |
| Aug | 19.4 °C | +0.4 °C | 95 mm | +2 mm |
| Sep | 17.2 °C | +3.8 °C | 47 mm | -31 mm |
| Oct | 8.3 °C | +1.6 °C | 34 mm | -40 mm |
| Nov | 3.7 °C | +3.3 °C | 97 mm | +25 mm |
| Dec | 0.5 °C | +4.4 °C | 79 mm | +10 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 Olonets?
Olonets has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 3.7 °C and it receives 761 mm of precipitation per year.
What is the hottest day ever recorded in Olonets?
The hottest day measured in Olonets between 1940 and 2025 was 8 July 1972, reaching 34.4 °C.
What is the coldest day in Olonets?
The coldest day measured in Olonets between 1940 and 2025 was 12 January 1987, at -40.2 °C.
Does it snow in Olonets?
Yes. Olonets gets on average 179.7 cm of snow per year and has around 162 frost days.
Has the climate of Olonets warmed?
Yes: Olonets warmed by +2.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Olonets?
The wettest day measured in Olonets between 1940 and 2025 was 31 August 2022, with 53 mm of rain in 24 hours.
What was the windiest day in Olonets?
The windiest day measured in Olonets between 1940 and 2025 was 7 September 1977, with winds reaching 45.2 km/h.
What is the warmest month in Olonets?
The warmest month in Olonets is July (17.6 °C on average); the coldest is January (-9.4 °C).
How much does it rain in Olonets?
Olonets receives on average 761 mm of precipitation per year, spread over about 146 rainy days.
Is it sunny in Olonets?
Olonets 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 Olonets?
The heaviest 24-hour snowfall measured in Olonets between 1940 and 2025 was 23 March 1971, with 16.5 cm.
Are there tropical nights in Olonets?
Yes: Olonets has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Olonets?
In Olonets, between 1940 and 2025, the highest apparent temperature reached 35.9 °C on 13 July 2025, and the lowest was -45.5 °C on 12 January 1987.
Compare Olonets with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Olonets