Smolensk climate — normals and trends
Smolensk (Russia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 5.3 °C and it receives 700 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 (17.8 °C on average) and the coldest is January (-7.6 °C). Rainfall peaks in July.
Smolensk averages 150 frost days, 2 hot days (≥ 30 °C) and 138 rainy days per year.
Smolensk has warmed by +3.0 °C between 1940 and 2025, or +0.35 °C per decade. This trend is statistically significant.
The number of frost days there went from about 166 to 134 per year over the period.
The hottest day of the period reached 36.9 °C (on 6 August 2010) and the coldest -40.6 °C (on 17 January 1940).
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
SmolenskSmolensk Oblast
- coords
- 54.78°, 32.05°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
5.3°C
Average daily high
8.8°C
Average daily low
1.7°C
Annual rainfall
700mm
Sunshine / day
6.8h
Mean relative humidity
79%
Average peak wind
17.8km/h
Seasonal range
25.4°C
Frost days (< 0 °C)
150 d/yr
Hot days (≥ 30 °C)
2 d/yr
Rainy days (≥ 1 mm)
138 d/yr
Annual snowfall
127.1 cm
Average feels-like high
5.8 °C
Average feels-like low
-1.8 °C
Average peak gust
35.6 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.0 °C
since 1940
+0.4 °C per decade · r² = 0.52 · 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
36.9 °C
6 August 2010
Coldest day
-40.6 °C
17 January 1940
Wettest day
79 mm
10 July 1986
Windiest day
50.2 km/h
5 October 1997
Strongest gust
99.0 km/h
9 September 1971
Hottest feels-like
36.6 °C
24 June 2021
Coldest feels-like
-45.9 °C
17 January 1940
Snowiest day
18.1 cm
14 November 1992
Sunniest day
16.0 h
2 July 2022
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 | 1.7 °C | +6.8 °C | 64 mm | +23 mm |
| Feb | -2.3 °C | +1.6 °C | 10 mm | -29 mm |
| Mar | 8.3 °C | +7.0 °C | 46 mm | +5 mm |
| Apr | 13.1 °C | +3.2 °C | 52 mm | +5 mm |
| May | 15.9 °C | -1.0 °C | 74 mm | +6 mm |
| Jun | 19.9 °C | -0.7 °C | 78 mm | -3 mm |
| Jul | 24.9 °C | +2.7 °C | 112 mm | +19 mm |
| Aug | 21.3 °C | +0.1 °C | 57 mm | -17 mm |
| Sep | 18.4 °C | +2.8 °C | 29 mm | -35 mm |
| Oct | 9.4 °C | +1.0 °C | 79 mm | +23 mm |
| Nov | 4.8 °C | +3.3 °C | 80 mm | +28 mm |
| Dec | 0.7 °C | +3.4 °C | 48 mm | +1 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 Smolensk?
Smolensk has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 5.3 °C and it receives 700 mm of precipitation per year.
What is the hottest day ever recorded in Smolensk?
The hottest day measured in Smolensk between 1940 and 2025 was 6 August 2010, reaching 36.9 °C.
What is the coldest day in Smolensk?
The coldest day measured in Smolensk between 1940 and 2025 was 17 January 1940, at -40.6 °C.
Does it snow in Smolensk?
Yes. Smolensk gets on average 127.1 cm of snow per year and has around 150 frost days.
Has the climate of Smolensk warmed?
Yes: Smolensk warmed by +3.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Smolensk?
The wettest day measured in Smolensk between 1940 and 2025 was 10 July 1986, with 79 mm of rain in 24 hours.
What was the windiest day in Smolensk?
The windiest day measured in Smolensk between 1940 and 2025 was 5 October 1997, with winds reaching 50.2 km/h.
What is the warmest month in Smolensk?
The warmest month in Smolensk is July (17.8 °C on average); the coldest is January (-7.6 °C).
How much does it rain in Smolensk?
Smolensk receives on average 700 mm of precipitation per year, spread over about 138 rainy days.
Is it sunny in Smolensk?
Smolensk gets on average 6.8 hours of sunshine per day, roughly 2,482 hours per year over 1940-2025.
What is the biggest single-day snowfall in Smolensk?
The heaviest 24-hour snowfall measured in Smolensk between 1940 and 2025 was 14 November 1992, with 18.1 cm.
Are there tropical nights in Smolensk?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Smolensk.
What was the most extreme apparent temperature in Smolensk?
In Smolensk, between 1940 and 2025, the highest apparent temperature reached 36.6 °C on 24 June 2021, and the lowest was -45.9 °C on 17 January 1940.
Compare Smolensk with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Smolensk