Birsk climate — normals and trends
Birsk (Russia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 3.4 °C and it receives 643 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 (19.4 °C on average) and the coldest is January (-13.4 °C). Rainfall peaks in October.
Birsk averages 174 frost days, 8 hot days (≥ 30 °C) and 130 rainy days per year.
Birsk has warmed by +2.6 °C between 1940 and 2025, or +0.31 °C per decade. This trend is statistically significant.
The number of frost days there went from about 185 to 163 per year over the period.
The hottest day of the period reached 38.8 °C (on 10 July 2023) and the coldest -48.9 °C (on 1 January 1979).
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
BirskBashkortostan Republic
- coords
- 55.42°, 55.54°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
3.4°C
Average daily high
7.4°C
Average daily low
-0.5°C
Annual rainfall
643mm
Sunshine / day
7.4h
Mean relative humidity
74%
Average peak wind
16.6km/h
Seasonal range
32.8°C
Frost days (< 0 °C)
174 d/yr
Hot days (≥ 30 °C)
8 d/yr
Rainy days (≥ 1 mm)
130 d/yr
Annual snowfall
168.1 cm
Average feels-like high
4.1 °C
Average feels-like low
-4.2 °C
Average peak gust
34.0 km/h
Tropical nights (≥ 20 °C)
2 d/yr
Solar radiation
10.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.6 °C
since 1940
+0.3 °C per decade · r² = 0.42 · 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
38.8 °C
10 July 2023
Coldest day
-48.9 °C
1 January 1979
Wettest day
48 mm
18 July 1943
Windiest day
47.7 km/h
20 October 1973
Strongest gust
112.3 km/h
20 October 1973
Hottest feels-like
39.0 °C
30 June 1954
Coldest feels-like
-53.9 °C
1 January 1979
Snowiest day
16.3 cm
19 February 1955
Sunniest day
16.9 h
25 June 1940
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 | -3.6 °C | +6.8 °C | 85 mm | +42 mm |
| Feb | -5.7 °C | +2.9 °C | 15 mm | -22 mm |
| Mar | 3.1 °C | +4.4 °C | 34 mm | -5 mm |
| Apr | 14.0 °C | +4.7 °C | 61 mm | +21 mm |
| May | 19.9 °C | +1.8 °C | 41 mm | -13 mm |
| Jun | 23.1 °C | +0.7 °C | 89 mm | +24 mm |
| Jul | 23.2 °C | -1.0 °C | 71 mm | +3 mm |
| Aug | 23.0 °C | +0.8 °C | 115 mm | +56 mm |
| Sep | 17.3 °C | +1.5 °C | 41 mm | -18 mm |
| Oct | 9.9 °C | +3.3 °C | 82 mm | +12 mm |
| Nov | 3.6 °C | +5.7 °C | 94 mm | +37 mm |
| Dec | -5.5 °C | +2.4 °C | 59 mm | +8 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 Birsk?
Birsk has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 3.4 °C and it receives 643 mm of precipitation per year.
What is the hottest day ever recorded in Birsk?
The hottest day measured in Birsk between 1940 and 2025 was 10 July 2023, reaching 38.8 °C.
What is the coldest day in Birsk?
The coldest day measured in Birsk between 1940 and 2025 was 1 January 1979, at -48.9 °C.
Does it snow in Birsk?
Yes. Birsk gets on average 168.1 cm of snow per year and has around 174 frost days.
Has the climate of Birsk warmed?
Yes: Birsk warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Birsk?
The wettest day measured in Birsk between 1940 and 2025 was 18 July 1943, with 48 mm of rain in 24 hours.
What was the windiest day in Birsk?
The windiest day measured in Birsk between 1940 and 2025 was 20 October 1973, with winds reaching 47.7 km/h.
What is the warmest month in Birsk?
The warmest month in Birsk is July (19.4 °C on average); the coldest is January (-13.4 °C).
How much does it rain in Birsk?
Birsk receives on average 643 mm of precipitation per year, spread over about 130 rainy days.
Is it sunny in Birsk?
Birsk gets on average 7.4 hours of sunshine per day, roughly 2,701 hours per year over 1940-2025.
What is the biggest single-day snowfall in Birsk?
The heaviest 24-hour snowfall measured in Birsk between 1940 and 2025 was 19 February 1955, with 16.3 cm.
Are there tropical nights in Birsk?
Yes: Birsk has on average 2 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Birsk?
In Birsk, between 1940 and 2025, the highest apparent temperature reached 39.0 °C on 30 June 1954, and the lowest was -53.9 °C on 1 January 1979.
Compare Birsk with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Birsk