Ust'-Ordynskiy climate — normals and trends
Ust'-Ordynskiy (Russia) has a dry-winter subarctic climate (Dwc) under the Köppen-Geiger classification. Its mean annual temperature is -0.5 °C and it receives 396 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 (18.5 °C on average) and the coldest is January (-21.5 °C). Rainfall peaks in July.
Ust'-Ordynskiy averages 218 frost days, 5 hot days (≥ 30 °C) and 77 rainy days per year.
Ust'-Ordynskiy has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The number of frost days there went from about 222 to 214 per year over the period.
The hottest day of the period reached 36.8 °C (on 24 June 1977) and the coldest -49.8 °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
Ust'-OrdynskiyIrkutsk Oblast
- coords
- 52.81°, 104.75°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
-0.5°C
Average daily high
5.4°C
Average daily low
-6.4°C
Annual rainfall
396mm
Sunshine / day
9.3h
Mean relative humidity
69%
Average peak wind
13.8km/h
Seasonal range
40.0°C
Frost days (< 0 °C)
218 d/yr
Hot days (≥ 30 °C)
5 d/yr
Rainy days (≥ 1 mm)
77 d/yr
Annual snowfall
53.7 cm
Average feels-like high
2.1 °C
Average feels-like low
-10.1 °C
Average peak gust
29.6 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
+1.7 °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
36.8 °C
24 June 1977
Coldest day
-49.8 °C
9 January 2001
Wettest day
88 mm
7 July 2001
Windiest day
43.9 km/h
16 May 1990
Strongest gust
94.7 km/h
20 April 2016
Hottest feels-like
38.6 °C
24 July 1949
Coldest feels-like
-54.5 °C
9 January 2001
Snowiest day
17.6 cm
5 October 1975
Sunniest day
16.0 h
29 May 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 | -10.6 °C | +5.1 °C | 7 mm | +2 mm |
| Feb | -10.6 °C | +0.4 °C | 6 mm | +2 mm |
| Mar | 1.5 °C | +3.1 °C | 13 mm | +4 mm |
| Apr | 11.8 °C | +3.7 °C | 21 mm | +2 mm |
| May | 18.9 °C | +2.5 °C | 25 mm | -9 mm |
| Jun | 24.2 °C | +1.7 °C | 48 mm | -16 mm |
| Jul | 24.8 °C | +0.9 °C | 49 mm | -45 mm |
| Aug | 21.8 °C | +0.3 °C | 102 mm | +22 mm |
| Sep | 17.3 °C | +2.6 °C | 21 mm | -25 mm |
| Oct | 2.1 °C | -3.7 °C | 35 mm | +16 mm |
| Nov | -2.0 °C | +3.7 °C | 22 mm | +11 mm |
| Dec | -13.2 °C | +0.7 °C | 12 mm | +3 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 Ust'-Ordynskiy?
Ust'-Ordynskiy has a dry-winter subarctic climate (Köppen Dwc). Over 1940-2025, the average annual temperature is -0.5 °C and it receives 396 mm of precipitation per year.
What is the hottest day ever recorded in Ust'-Ordynskiy?
The hottest day measured in Ust'-Ordynskiy between 1940 and 2025 was 24 June 1977, reaching 36.8 °C.
What is the coldest day in Ust'-Ordynskiy?
The coldest day measured in Ust'-Ordynskiy between 1940 and 2025 was 9 January 2001, at -49.8 °C.
Does it snow in Ust'-Ordynskiy?
Yes. Ust'-Ordynskiy gets on average 53.7 cm of snow per year and has around 218 frost days.
Has the climate of Ust'-Ordynskiy warmed?
Yes: Ust'-Ordynskiy warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ust'-Ordynskiy?
The wettest day measured in Ust'-Ordynskiy between 1940 and 2025 was 7 July 2001, with 88 mm of rain in 24 hours.
What was the windiest day in Ust'-Ordynskiy?
The windiest day measured in Ust'-Ordynskiy between 1940 and 2025 was 16 May 1990, with winds reaching 43.9 km/h.
What is the warmest month in Ust'-Ordynskiy?
The warmest month in Ust'-Ordynskiy is July (18.5 °C on average); the coldest is January (-21.5 °C).
How much does it rain in Ust'-Ordynskiy?
Ust'-Ordynskiy receives on average 396 mm of precipitation per year, spread over about 77 rainy days.
Is it sunny in Ust'-Ordynskiy?
Ust'-Ordynskiy gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.
What is the biggest single-day snowfall in Ust'-Ordynskiy?
The heaviest 24-hour snowfall measured in Ust'-Ordynskiy between 1940 and 2025 was 5 October 1975, with 17.6 cm.
Are there tropical nights in Ust'-Ordynskiy?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Ust'-Ordynskiy.
What was the most extreme apparent temperature in Ust'-Ordynskiy?
In Ust'-Ordynskiy, between 1940 and 2025, the highest apparent temperature reached 38.6 °C on 24 July 1949, and the lowest was -54.5 °C on 9 January 2001.
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Nearby cities
The climate around Ust'-Ordynskiy