Barnaul climate — normals and trends
Barnaul (Russia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 2.3 °C and it receives 537 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 (20.2 °C on average) and the coldest is January (-16.4 °C). Rainfall peaks in July.
Barnaul averages 186 frost days, 10 hot days (≥ 30 °C) and 117 rainy days per year.
Barnaul has warmed by +2.1 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The number of frost days there went from about 194 to 178 per year over the period.
The hottest day of the period reached 38.8 °C (on 15 July 1992) and the coldest -48.7 °C (on 7 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
BarnaulAltai Krai
- coords
- 53.36°, 83.73°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
2.3°C
Average daily high
7.2°C
Average daily low
-2.5°C
Annual rainfall
537mm
Sunshine / day
8.4h
Mean relative humidity
71%
Average peak wind
17.2km/h
Seasonal range
36.6°C
Frost days (< 0 °C)
186 d/yr
Hot days (≥ 30 °C)
10 d/yr
Rainy days (≥ 1 mm)
117 d/yr
Annual snowfall
128.7 cm
Average feels-like high
3.8 °C
Average feels-like low
-6.2 °C
Average peak gust
33.3 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
12.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.3 °C per decade · r² = 0.27 · 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
38.8 °C
15 July 1992
Coldest day
-48.7 °C
7 January 2001
Wettest day
43 mm
30 June 1946
Windiest day
53.8 km/h
29 September 1964
Strongest gust
110.9 km/h
17 February 2004
Hottest feels-like
41.7 °C
15 July 1992
Coldest feels-like
-54.0 °C
7 January 2001
Snowiest day
19.3 cm
26 March 2018
Sunniest day
16.4 h
25 June 2012
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 | -5.4 °C | +6.9 °C | 44 mm | +17 mm |
| Feb | -6.1 °C | +3.8 °C | 19 mm | -5 mm |
| Mar | 1.2 °C | +3.3 °C | 25 mm | -2 mm |
| Apr | 15.1 °C | +6.1 °C | 66 mm | +29 mm |
| May | 19.5 °C | +1.3 °C | 34 mm | -17 mm |
| Jun | 26.7 °C | +3.0 °C | 71 mm | +11 mm |
| Jul | 25.7 °C | +0.3 °C | 48 mm | -24 mm |
| Aug | 21.4 °C | -1.5 °C | 148 mm | +89 mm |
| Sep | 18.1 °C | +1.2 °C | 43 mm | -1 mm |
| Oct | 5.5 °C | -2.4 °C | 31 mm | -19 mm |
| Nov | 0.5 °C | +3.9 °C | 96 mm | +46 mm |
| Dec | -6.8 °C | +3.3 °C | 58 mm | +19 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 Barnaul?
Barnaul has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 2.3 °C and it receives 537 mm of precipitation per year.
What is the hottest day ever recorded in Barnaul?
The hottest day measured in Barnaul between 1940 and 2025 was 15 July 1992, reaching 38.8 °C.
What is the coldest day in Barnaul?
The coldest day measured in Barnaul between 1940 and 2025 was 7 January 2001, at -48.7 °C.
Does it snow in Barnaul?
Yes. Barnaul gets on average 128.7 cm of snow per year and has around 186 frost days.
Has the climate of Barnaul warmed?
Yes: Barnaul warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Barnaul?
The wettest day measured in Barnaul between 1940 and 2025 was 30 June 1946, with 43 mm of rain in 24 hours.
What was the windiest day in Barnaul?
The windiest day measured in Barnaul between 1940 and 2025 was 29 September 1964, with winds reaching 53.8 km/h.
What is the warmest month in Barnaul?
The warmest month in Barnaul is July (20.2 °C on average); the coldest is January (-16.4 °C).
How much does it rain in Barnaul?
Barnaul receives on average 537 mm of precipitation per year, spread over about 117 rainy days.
Is it sunny in Barnaul?
Barnaul gets on average 8.4 hours of sunshine per day, roughly 3,066 hours per year over 1940-2025.
What is the biggest single-day snowfall in Barnaul?
The heaviest 24-hour snowfall measured in Barnaul between 1940 and 2025 was 26 March 2018, with 19.3 cm.
Are there tropical nights in Barnaul?
Yes: Barnaul has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Barnaul?
In Barnaul, between 1940 and 2025, the highest apparent temperature reached 41.7 °C on 15 July 1992, and the lowest was -54.0 °C on 7 January 2001.
Compare Barnaul with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Barnaul