Ulan-Ude climate — normals and trends
Ulan-Ude (Russia) has a dry-winter subarctic climate (Dwc) under the Köppen-Geiger classification. Its mean annual temperature is -1.0 °C and it receives 328 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 (-23.5 °C). Rainfall peaks in July.
Ulan-Ude averages 221 frost days, 8 hot days (≥ 30 °C) and 66 rainy days per year.
Ulan-Ude has warmed by +2.0 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The number of frost days there went from about 224 to 218 per year over the period.
The hottest day of the period reached 39.5 °C (on 24 July 1999) and the coldest -45.1 °C (on 6 January 1951).
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
Ulan-UdeBuryatiya Republic
- coords
- 51.83°, 107.60°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
-1.0°C
Average daily high
5.2°C
Average daily low
-6.9°C
Annual rainfall
328mm
Sunshine / day
9.6h
Mean relative humidity
67%
Average peak wind
13.7km/h
Seasonal range
42.4°C
Frost days (< 0 °C)
221 d/yr
Hot days (≥ 30 °C)
8 d/yr
Rainy days (≥ 1 mm)
66 d/yr
Annual snowfall
50.3 cm
Average feels-like high
1.6 °C
Average feels-like low
-10.5 °C
Average peak gust
32.6 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
13.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.41 · 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
39.5 °C
24 July 1999
Coldest day
-45.1 °C
6 January 1951
Wettest day
57 mm
29 June 2021
Windiest day
39.4 km/h
26 April 1984
Strongest gust
91.8 km/h
20 April 2016
Hottest feels-like
40.2 °C
24 July 1999
Coldest feels-like
-50.4 °C
30 January 1979
Snowiest day
25.2 cm
19 September 2009
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 | -13.9 °C | +3.6 °C | 6 mm | +2 mm |
| Feb | -11.9 °C | +0.2 °C | 5 mm | +1 mm |
| Mar | 1.7 °C | +3.4 °C | 12 mm | +5 mm |
| Apr | 11.6 °C | +3.5 °C | 16 mm | -1 mm |
| May | 18.8 °C | +2.3 °C | 33 mm | +4 mm |
| Jun | 24.5 °C | +1.6 °C | 31 mm | -19 mm |
| Jul | 25.9 °C | +1.3 °C | 30 mm | -39 mm |
| Aug | 22.2 °C | +0.1 °C | 130 mm | +62 mm |
| Sep | 16.8 °C | +1.7 °C | 54 mm | +11 mm |
| Oct | 2.8 °C | -3.0 °C | 22 mm | +4 mm |
| Nov | -3.7 °C | +2.5 °C | 25 mm | +12 mm |
| Dec | -15.6 °C | -0.4 °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 Ulan-Ude?
Ulan-Ude has a dry-winter subarctic climate (Köppen Dwc). Over 1940-2025, the average annual temperature is -1.0 °C and it receives 328 mm of precipitation per year.
What is the hottest day ever recorded in Ulan-Ude?
The hottest day measured in Ulan-Ude between 1940 and 2025 was 24 July 1999, reaching 39.5 °C.
What is the coldest day in Ulan-Ude?
The coldest day measured in Ulan-Ude between 1940 and 2025 was 6 January 1951, at -45.1 °C.
Does it snow in Ulan-Ude?
Yes. Ulan-Ude gets on average 50.3 cm of snow per year and has around 221 frost days.
Has the climate of Ulan-Ude warmed?
Yes: Ulan-Ude warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ulan-Ude?
The wettest day measured in Ulan-Ude between 1940 and 2025 was 29 June 2021, with 57 mm of rain in 24 hours.
What was the windiest day in Ulan-Ude?
The windiest day measured in Ulan-Ude between 1940 and 2025 was 26 April 1984, with winds reaching 39.4 km/h.
What is the warmest month in Ulan-Ude?
The warmest month in Ulan-Ude is July (18.9 °C on average); the coldest is January (-23.5 °C).
How much does it rain in Ulan-Ude?
Ulan-Ude receives on average 328 mm of precipitation per year, spread over about 66 rainy days.
Is it sunny in Ulan-Ude?
Ulan-Ude gets on average 9.6 hours of sunshine per day, roughly 3,504 hours per year over 1940-2025.
What is the biggest single-day snowfall in Ulan-Ude?
The heaviest 24-hour snowfall measured in Ulan-Ude between 1940 and 2025 was 19 September 2009, with 25.2 cm.
Are there tropical nights in Ulan-Ude?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Ulan-Ude.
What was the most extreme apparent temperature in Ulan-Ude?
In Ulan-Ude, between 1940 and 2025, the highest apparent temperature reached 40.2 °C on 24 July 1999, and the lowest was -50.4 °C on 30 January 1979.
Compare Ulan-Ude with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ulan-Ude