Usolye-Sibirskoye climate — normals and trends
Usolye-Sibirskoye (Russia) has a warm-summer humid continental, dry winter climate (Dwb) under the Köppen-Geiger classification. Its mean annual temperature is -0.1 °C and it receives 420 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 (19.1 °C on average) and the coldest is January (-21.4 °C). Rainfall peaks in July.
Usolye-Sibirskoye averages 211 frost days, 8 hot days (≥ 30 °C) and 82 rainy days per year.
Usolye-Sibirskoye 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 214 to 208 per year over the period.
The hottest day of the period reached 38.4 °C (on 24 June 1977) and the coldest -49.2 °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
Usolye-SibirskoyeIrkutsk Oblast
- coords
- 52.75°, 103.65°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
-0.1°C
Average daily high
5.6°C
Average daily low
-5.6°C
Annual rainfall
420mm
Sunshine / day
9.1h
Mean relative humidity
71%
Average peak wind
14.6km/h
Seasonal range
40.5°C
Frost days (< 0 °C)
211 d/yr
Hot days (≥ 30 °C)
8 d/yr
Rainy days (≥ 1 mm)
82 d/yr
Annual snowfall
56.4 cm
Average feels-like high
2.4 °C
Average feels-like low
-9.2 °C
Average peak gust
31.1 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
12.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.30 · 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
38.4 °C
24 June 1977
Coldest day
-49.2 °C
8 January 2001
Wettest day
91 mm
7 July 2001
Windiest day
48.0 km/h
16 May 1990
Strongest gust
100.4 km/h
16 May 1990
Hottest feels-like
38.6 °C
16 July 2004
Coldest feels-like
-54.3 °C
8 January 2001
Snowiest day
18.1 cm
11 April 1963
Sunniest day
16.0 h
31 May 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 | -11.7 °C | +5.0 °C | 8 mm | +2 mm |
| Feb | -10.7 °C | +0.9 °C | 7 mm | +2 mm |
| Mar | 1.6 °C | +3.2 °C | 14 mm | +3 mm |
| Apr | 12.5 °C | +3.9 °C | 25 mm | +3 mm |
| May | 19.9 °C | +2.7 °C | 22 mm | -16 mm |
| Jun | 25.2 °C | +1.9 °C | 47 mm | -19 mm |
| Jul | 26.0 °C | +1.3 °C | 47 mm | -49 mm |
| Aug | 22.9 °C | +0.8 °C | 103 mm | +21 mm |
| Sep | 17.7 °C | +2.3 °C | 24 mm | -26 mm |
| Oct | 2.5 °C | -3.9 °C | 33 mm | +11 mm |
| Nov | -1.9 °C | +4.1 °C | 21 mm | +8 mm |
| Dec | -14.5 °C | +0.3 °C | 10 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 Usolye-Sibirskoye?
Usolye-Sibirskoye has a warm-summer humid continental, dry winter climate (Köppen Dwb). Over 1940-2025, the average annual temperature is -0.1 °C and it receives 420 mm of precipitation per year.
What is the hottest day ever recorded in Usolye-Sibirskoye?
The hottest day measured in Usolye-Sibirskoye between 1940 and 2025 was 24 June 1977, reaching 38.4 °C.
What is the coldest day in Usolye-Sibirskoye?
The coldest day measured in Usolye-Sibirskoye between 1940 and 2025 was 8 January 2001, at -49.2 °C.
Does it snow in Usolye-Sibirskoye?
Yes. Usolye-Sibirskoye gets on average 56.4 cm of snow per year and has around 211 frost days.
Has the climate of Usolye-Sibirskoye warmed?
Yes: Usolye-Sibirskoye warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Usolye-Sibirskoye?
The wettest day measured in Usolye-Sibirskoye between 1940 and 2025 was 7 July 2001, with 91 mm of rain in 24 hours.
What was the windiest day in Usolye-Sibirskoye?
The windiest day measured in Usolye-Sibirskoye between 1940 and 2025 was 16 May 1990, with winds reaching 48.0 km/h.
What is the warmest month in Usolye-Sibirskoye?
The warmest month in Usolye-Sibirskoye is July (19.1 °C on average); the coldest is January (-21.4 °C).
How much does it rain in Usolye-Sibirskoye?
Usolye-Sibirskoye receives on average 420 mm of precipitation per year, spread over about 82 rainy days.
Is it sunny in Usolye-Sibirskoye?
Usolye-Sibirskoye gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.
What is the biggest single-day snowfall in Usolye-Sibirskoye?
The heaviest 24-hour snowfall measured in Usolye-Sibirskoye between 1940 and 2025 was 11 April 1963, with 18.1 cm.
Are there tropical nights in Usolye-Sibirskoye?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Usolye-Sibirskoye.
What was the most extreme apparent temperature in Usolye-Sibirskoye?
In Usolye-Sibirskoye, between 1940 and 2025, the highest apparent temperature reached 38.6 °C on 16 July 2004, and the lowest was -54.3 °C on 8 January 2001.
Compare Usolye-Sibirskoye with another city
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Nearby cities
The climate around Usolye-Sibirskoye