Chunskiy climate — normals and trends
Chunskiy (Russia) has a subarctic climate (Dfc) under the Köppen-Geiger classification. Its mean annual temperature is -0.4 °C and it receives 455 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 (18.9 °C on average) and the coldest is January (-20.3 °C). Rainfall peaks in July.
Chunskiy averages 213 frost days, 6 hot days (≥ 30 °C) and 111 rainy days per year.
Chunskiy has warmed by +2.4 °C between 1940 and 2025, or +0.28 °C per decade. This trend is statistically significant.
The number of frost days there went from about 220 to 206 per year over the period.
The hottest day of the period reached 37.2 °C (on 12 August 2002) and the coldest -53.7 °C (on 8 January 2001).
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
ChunskiyIrkutsk Oblast
- coords
- 56.09°, 99.64°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
-0.4°C
Average daily high
4.8°C
Average daily low
-5.6°C
Annual rainfall
455mm
Sunshine / day
8.2h
Mean relative humidity
71%
Average peak wind
13.9km/h
Seasonal range
39.2°C
Frost days (< 0 °C)
213 d/yr
Hot days (≥ 30 °C)
6 d/yr
Rainy days (≥ 1 mm)
111 d/yr
Annual snowfall
109.6 cm
Average feels-like high
1.4 °C
Average feels-like low
-9.3 °C
Average peak gust
32.3 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
11.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °C
since 1940
+0.3 °C per decade · r² = 0.34 · 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
37.2 °C
12 August 2002
Coldest day
-53.7 °C
8 January 2001
Wettest day
75 mm
4 July 1952
Windiest day
41.1 km/h
19 April 2019
Strongest gust
98.6 km/h
22 May 1985
Hottest feels-like
39.0 °C
12 August 2002
Coldest feels-like
-59.2 °C
8 January 2001
Snowiest day
12.3 cm
3 November 1967
Sunniest day
17.0 h
12 June 1940
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 | -9.0 °C | +7.1 °C | 17 mm | +1 mm |
| Feb | -10.1 °C | +1.5 °C | 30 mm | +16 mm |
| Mar | 1.9 °C | +4.0 °C | 21 mm | +4 mm |
| Apr | 9.5 °C | +3.0 °C | 42 mm | +13 mm |
| May | 17.0 °C | +2.0 °C | 35 mm | -11 mm |
| Jun | 25.0 °C | +2.9 °C | 43 mm | -12 mm |
| Jul | 24.8 °C | +0.4 °C | 21 mm | -48 mm |
| Aug | 23.2 °C | +1.7 °C | 52 mm | -13 mm |
| Sep | 16.1 °C | +2.1 °C | 54 mm | +4 mm |
| Oct | 1.8 °C | -2.8 °C | 31 mm | -5 mm |
| Nov | -2.4 °C | +4.2 °C | 51 mm | +19 mm |
| Dec | -12.9 °C | +1.6 °C | 32 mm | +6 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 Chunskiy?
Chunskiy has a subarctic climate (Köppen Dfc). Over 1940-2025, the average annual temperature is -0.4 °C and it receives 455 mm of precipitation per year.
What is the hottest day ever recorded in Chunskiy?
The hottest day measured in Chunskiy between 1940 and 2025 was 12 August 2002, reaching 37.2 °C.
What is the coldest day in Chunskiy?
The coldest day measured in Chunskiy between 1940 and 2025 was 8 January 2001, at -53.7 °C.
Does it snow in Chunskiy?
Yes. Chunskiy gets on average 109.6 cm of snow per year and has around 213 frost days.
Has the climate of Chunskiy warmed?
Yes: Chunskiy warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Chunskiy?
The wettest day measured in Chunskiy between 1940 and 2025 was 4 July 1952, with 75 mm of rain in 24 hours.
What was the windiest day in Chunskiy?
The windiest day measured in Chunskiy between 1940 and 2025 was 19 April 2019, with winds reaching 41.1 km/h.
What is the warmest month in Chunskiy?
The warmest month in Chunskiy is July (18.9 °C on average); the coldest is January (-20.3 °C).
How much does it rain in Chunskiy?
Chunskiy receives on average 455 mm of precipitation per year, spread over about 111 rainy days.
Is it sunny in Chunskiy?
Chunskiy gets on average 8.2 hours of sunshine per day, roughly 2,993 hours per year over 1940-2025.
What is the biggest single-day snowfall in Chunskiy?
The heaviest 24-hour snowfall measured in Chunskiy between 1940 and 2025 was 3 November 1967, with 12.3 cm.
Are there tropical nights in Chunskiy?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Chunskiy.
What was the most extreme apparent temperature in Chunskiy?
In Chunskiy, between 1940 and 2025, the highest apparent temperature reached 39.0 °C on 12 August 2002, and the lowest was -59.2 °C on 8 January 2001.
Compare Chunskiy with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Chunskiy