Brest climate — normals and trends
Brest (Belarus) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 7.8 °C and it receives 648 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 (-3.8 °C). Rainfall peaks in July.
Brest averages 111 frost days, 6 hot days (≥ 30 °C) and 130 rainy days per year.
Brest has warmed by +2.6 °C between 1940 and 2025, or +0.30 °C per decade. This trend is statistically significant.
The number of frost days there went from about 130 to 92 per year over the period.
The hottest day of the period reached 36.4 °C (on 29 August 1992) and the coldest -35.7 °C (on 11 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
BrestBrest
- coords
- 52.11°, 23.72°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.8°C
Average daily high
11.6°C
Average daily low
4.0°C
Annual rainfall
648mm
Sunshine / day
7.2h
Mean relative humidity
78%
Average peak wind
18.5km/h
Seasonal range
22.7°C
Frost days (< 0 °C)
111 d/yr
Hot days (≥ 30 °C)
6 d/yr
Rainy days (≥ 1 mm)
130 d/yr
Annual snowfall
70.5 cm
Average feels-like high
8.8 °C
Average feels-like low
0.8 °C
Average peak gust
36.1 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
10.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.6 °C
since 1940
+0.3 °C per decade · r² = 0.45 · 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
36.4 °C
29 August 1992
Coldest day
-35.7 °C
11 January 1940
Wettest day
63 mm
4 August 1972
Windiest day
52.1 km/h
3 November 1981
Strongest gust
113.4 km/h
7 March 1983
Hottest feels-like
36.7 °C
13 July 1951
Coldest feels-like
-40.8 °C
11 January 1940
Snowiest day
17.7 cm
2 April 2022
Sunniest day
15.7 h
17 June 2021
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 | 4.4 °C | +5.9 °C | 33 mm | -4 mm |
| Feb | 1.4 °C | +1.4 °C | 13 mm | -24 mm |
| Mar | 12.0 °C | +7.0 °C | 38 mm | 0 mm |
| Apr | 16.6 °C | +4.0 °C | 23 mm | -26 mm |
| May | 16.3 °C | -2.2 °C | 63 mm | -6 mm |
| Jun | 23.7 °C | +1.7 °C | 64 mm | -13 mm |
| Jul | 24.6 °C | +0.9 °C | 176 mm | +93 mm |
| Aug | 24.5 °C | +1.3 °C | 18 mm | -55 mm |
| Sep | 21.2 °C | +3.0 °C | 57 mm | +1 mm |
| Oct | 11.7 °C | -0.2 °C | 54 mm | +10 mm |
| Nov | 6.9 °C | +1.8 °C | 50 mm | +6 mm |
| Dec | 3.7 °C | +2.9 °C | 18 mm | -24 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 Brest?
Brest has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 7.8 °C and it receives 648 mm of precipitation per year.
What is the hottest day ever recorded in Brest?
The hottest day measured in Brest between 1940 and 2025 was 29 August 1992, reaching 36.4 °C.
What is the coldest day in Brest?
The coldest day measured in Brest between 1940 and 2025 was 11 January 1940, at -35.7 °C.
Does it snow in Brest?
Yes. Brest gets on average 70.5 cm of snow per year and has around 111 frost days.
Has the climate of Brest warmed?
Yes: Brest warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Brest?
The wettest day measured in Brest between 1940 and 2025 was 4 August 1972, with 63 mm of rain in 24 hours.
What was the windiest day in Brest?
The windiest day measured in Brest between 1940 and 2025 was 3 November 1981, with winds reaching 52.1 km/h.
What is the warmest month in Brest?
The warmest month in Brest is July (18.9 °C on average); the coldest is January (-3.8 °C).
How much does it rain in Brest?
Brest receives on average 648 mm of precipitation per year, spread over about 130 rainy days.
Is it sunny in Brest?
Brest gets on average 7.2 hours of sunshine per day, roughly 2,628 hours per year over 1940-2025.
What is the biggest single-day snowfall in Brest?
The heaviest 24-hour snowfall measured in Brest between 1940 and 2025 was 2 April 2022, with 17.7 cm.
Are there tropical nights in Brest?
Yes: Brest has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Brest?
In Brest, between 1940 and 2025, the highest apparent temperature reached 36.7 °C on 13 July 1951, and the lowest was -40.8 °C on 11 January 1940.
Compare Brest with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Brest