Baykal'sk climate — normals and trends
Baykal'sk (Russia) has a warm-summer humid continental, dry winter climate (Dwb) under the Köppen-Geiger classification. Its mean annual temperature is 0.3 °C and it receives 832 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 (15.4 °C on average) and the coldest is January (-16.4 °C). Rainfall peaks in July.
Baykal'sk averages 200 frost days, 0 hot days (≥ 30 °C) and 136 rainy days per year.
Baykal'sk has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The number of frost days there went from about 206 to 194 per year over the period.
The hottest day of the period reached 28.8 °C (on 22 June 2010) and the coldest -35.3 °C (on 9 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
Baykal'skIrkutsk Oblast
- coords
- 51.52°, 104.14°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
0.3°C
Average daily high
3.3°C
Average daily low
-2.3°C
Annual rainfall
832mm
Sunshine / day
9.0h
Mean relative humidity
74%
Average peak wind
16.3km/h
Seasonal range
31.8°C
Frost days (< 0 °C)
200 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
136 d/yr
Annual snowfall
165.6 cm
Average feels-like high
0.4 °C
Average feels-like low
-6.4 °C
Average peak gust
28.4 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
13.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.33 · 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
28.8 °C
22 June 2010
Coldest day
-35.3 °C
9 January 2001
Wettest day
104 mm
28 July 2019
Windiest day
46.9 km/h
12 March 1962
Strongest gust
84.2 km/h
5 October 2006
Hottest feels-like
28.8 °C
16 July 2004
Coldest feels-like
-40.8 °C
9 January 2001
Snowiest day
24.9 cm
29 September 1969
Sunniest day
16.0 h
6 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 | -8.9 °C | +4.8 °C | 19 mm | +6 mm |
| Feb | -10.2 °C | +1.4 °C | 16 mm | +4 mm |
| Mar | -1.2 °C | +3.2 °C | 23 mm | 0 mm |
| Apr | 5.6 °C | +2.7 °C | 38 mm | -1 mm |
| May | 10.6 °C | +1.8 °C | 44 mm | -20 mm |
| Jun | 17.7 °C | +2.5 °C | 61 mm | -50 mm |
| Jul | 19.0 °C | +1.0 °C | 83 mm | -76 mm |
| Aug | 18.5 °C | +1.0 °C | 217 mm | +62 mm |
| Sep | 14.9 °C | +2.1 °C | 104 mm | -12 mm |
| Oct | 2.6 °C | -3.3 °C | 90 mm | +28 mm |
| Nov | 0.3 °C | +2.8 °C | 63 mm | +16 mm |
| Dec | -8.2 °C | +0.9 °C | 32 mm | 0 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 Baykal'sk?
Baykal'sk has a warm-summer humid continental, dry winter climate (Köppen Dwb). Over 1940-2025, the average annual temperature is 0.3 °C and it receives 832 mm of precipitation per year.
What is the hottest day ever recorded in Baykal'sk?
The hottest day measured in Baykal'sk between 1940 and 2025 was 22 June 2010, reaching 28.8 °C.
What is the coldest day in Baykal'sk?
The coldest day measured in Baykal'sk between 1940 and 2025 was 9 January 2001, at -35.3 °C.
Does it snow in Baykal'sk?
Yes. Baykal'sk gets on average 165.6 cm of snow per year and has around 200 frost days.
Has the climate of Baykal'sk warmed?
Yes: Baykal'sk warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Baykal'sk?
The wettest day measured in Baykal'sk between 1940 and 2025 was 28 July 2019, with 104 mm of rain in 24 hours.
What was the windiest day in Baykal'sk?
The windiest day measured in Baykal'sk between 1940 and 2025 was 12 March 1962, with winds reaching 46.9 km/h.
What is the warmest month in Baykal'sk?
The warmest month in Baykal'sk is July (15.4 °C on average); the coldest is January (-16.4 °C).
How much does it rain in Baykal'sk?
Baykal'sk receives on average 832 mm of precipitation per year, spread over about 136 rainy days.
Is it sunny in Baykal'sk?
Baykal'sk gets on average 9.0 hours of sunshine per day, roughly 3,285 hours per year over 1940-2025.
What is the biggest single-day snowfall in Baykal'sk?
The heaviest 24-hour snowfall measured in Baykal'sk between 1940 and 2025 was 29 September 1969, with 24.9 cm.
Are there tropical nights in Baykal'sk?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Baykal'sk.
What was the most extreme apparent temperature in Baykal'sk?
In Baykal'sk, between 1940 and 2025, the highest apparent temperature reached 28.8 °C on 16 July 2004, and the lowest was -40.8 °C on 9 January 2001.
Compare Baykal'sk with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Baykal'sk