Tulun climate — normals and trends
Tulun (Russia) has a dry-winter subarctic climate (Dwc) under the Köppen-Geiger classification. Its mean annual temperature is -0.8 °C and it receives 464 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 (18.2 °C on average) and the coldest is January (-21.4 °C). Rainfall peaks in July.
Tulun averages 218 frost days, 4 hot days (≥ 30 °C) and 101 rainy days per year.
Tulun has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The number of frost days there went from about 223 to 213 per year over the period.
The hottest day of the period reached 36.3 °C (on 12 August 2002) and the coldest -50.7 °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
TulunIrkutsk Oblast
- coords
- 54.57°, 100.58°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
-0.8°C
Average daily high
4.7°C
Average daily low
-6.1°C
Annual rainfall
464mm
Sunshine / day
8.6h
Mean relative humidity
71%
Average peak wind
14.0km/h
Seasonal range
39.6°C
Frost days (< 0 °C)
218 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
101 d/yr
Annual snowfall
80.6 cm
Average feels-like high
1.5 °C
Average feels-like low
-9.9 °C
Average peak gust
30.2 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
11.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.31 · 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
36.3 °C
12 August 2002
Coldest day
-50.7 °C
8 January 2001
Wettest day
64 mm
17 August 1950
Windiest day
42.6 km/h
16 May 1990
Strongest gust
92.2 km/h
30 April 2003
Hottest feels-like
38.6 °C
15 July 2004
Coldest feels-like
-56.3 °C
8 January 2001
Snowiest day
15.0 cm
20 April 1975
Sunniest day
16.7 h
23 June 2000
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 | -10.7 °C | +6.1 °C | 12 mm | +3 mm |
| Feb | -9.4 °C | +2.1 °C | 13 mm | +4 mm |
| Mar | 2.4 °C | +4.3 °C | 16 mm | +3 mm |
| Apr | 10.8 °C | +3.6 °C | 31 mm | +4 mm |
| May | 17.1 °C | +1.7 °C | 41 mm | -6 mm |
| Jun | 24.2 °C | +2.3 °C | 51 mm | -17 mm |
| Jul | 24.6 °C | +0.9 °C | 41 mm | -50 mm |
| Aug | 21.8 °C | +0.8 °C | 102 mm | +18 mm |
| Sep | 16.4 °C | +2.3 °C | 30 mm | -22 mm |
| Oct | 1.4 °C | -3.7 °C | 27 mm | -1 mm |
| Nov | -2.2 °C | +4.4 °C | 33 mm | +13 mm |
| Dec | -13.5 °C | +1.4 °C | 14 mm | -2 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 Tulun?
Tulun has a dry-winter subarctic climate (Köppen Dwc). Over 1940-2025, the average annual temperature is -0.8 °C and it receives 464 mm of precipitation per year.
What is the hottest day ever recorded in Tulun?
The hottest day measured in Tulun between 1940 and 2025 was 12 August 2002, reaching 36.3 °C.
What is the coldest day in Tulun?
The coldest day measured in Tulun between 1940 and 2025 was 8 January 2001, at -50.7 °C.
Does it snow in Tulun?
Yes. Tulun gets on average 80.6 cm of snow per year and has around 218 frost days.
Has the climate of Tulun warmed?
Yes: Tulun warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tulun?
The wettest day measured in Tulun between 1940 and 2025 was 17 August 1950, with 64 mm of rain in 24 hours.
What was the windiest day in Tulun?
The windiest day measured in Tulun between 1940 and 2025 was 16 May 1990, with winds reaching 42.6 km/h.
What is the warmest month in Tulun?
The warmest month in Tulun is July (18.2 °C on average); the coldest is January (-21.4 °C).
How much does it rain in Tulun?
Tulun receives on average 464 mm of precipitation per year, spread over about 101 rainy days.
Is it sunny in Tulun?
Tulun gets on average 8.6 hours of sunshine per day, roughly 3,139 hours per year over 1940-2025.
What is the biggest single-day snowfall in Tulun?
The heaviest 24-hour snowfall measured in Tulun between 1940 and 2025 was 20 April 1975, with 15.0 cm.
Are there tropical nights in Tulun?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Tulun.
What was the most extreme apparent temperature in Tulun?
In Tulun, between 1940 and 2025, the highest apparent temperature reached 38.6 °C on 15 July 2004, and the lowest was -56.3 °C on 8 January 2001.
Compare Tulun with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Tulun