Polatsk climate — normals and trends
Polatsk (Belarus) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 5.9 °C and it receives 704 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 (18.0 °C on average) and the coldest is January (-6.4 °C). Rainfall peaks in July.
Polatsk averages 137 frost days, 2 hot days (≥ 30 °C) and 138 rainy days per year.
Polatsk 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 158 to 116 per year over the period.
The hottest day of the period reached 35.5 °C (on 8 August 2010) and the coldest -39.8 °C (on 16 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
PolatskVitebsk
- coords
- 55.49°, 28.79°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
5.9°C
Average daily high
9.4°C
Average daily low
2.4°C
Annual rainfall
704mm
Sunshine / day
6.8h
Mean relative humidity
79%
Average peak wind
17.6km/h
Seasonal range
24.4°C
Frost days (< 0 °C)
137 d/yr
Hot days (≥ 30 °C)
2 d/yr
Rainy days (≥ 1 mm)
138 d/yr
Annual snowfall
111.3 cm
Average feels-like high
6.4 °C
Average feels-like low
-1.0 °C
Average peak gust
35.5 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
9.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.0 °C
since 1940
+0.4 °C per decade · r² = 0.50 · 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
35.5 °C
8 August 2010
Coldest day
-39.8 °C
16 January 1940
Wettest day
46 mm
28 July 1977
Windiest day
47.7 km/h
2 November 1969
Strongest gust
100.1 km/h
4 December 1999
Hottest feels-like
36.4 °C
23 July 2010
Coldest feels-like
-45.2 °C
16 January 1940
Snowiest day
22.3 cm
23 October 1993
Sunniest day
16.3 h
3 July 2025
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 | 2.4 °C | +6.5 °C | 53 mm | +11 mm |
| Feb | -2.2 °C | +0.8 °C | 18 mm | -20 mm |
| Mar | 8.4 °C | +6.3 °C | 50 mm | +9 mm |
| Apr | 13.6 °C | +3.3 °C | 29 mm | -19 mm |
| May | 14.5 °C | -2.5 °C | 170 mm | +104 mm |
| Jun | 19.8 °C | -0.9 °C | 137 mm | +60 mm |
| Jul | 24.4 °C | +2.1 °C | 161 mm | +69 mm |
| Aug | 20.9 °C | -0.4 °C | 60 mm | -17 mm |
| Sep | 18.7 °C | +2.8 °C | 26 mm | -39 mm |
| Oct | 9.4 °C | +0.4 °C | 64 mm | +6 mm |
| Nov | 4.2 °C | +1.8 °C | 53 mm | +0 mm |
| Dec | 1.9 °C | +3.5 °C | 37 mm | -10 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 Polatsk?
Polatsk has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 5.9 °C and it receives 704 mm of precipitation per year.
What is the hottest day ever recorded in Polatsk?
The hottest day measured in Polatsk between 1940 and 2025 was 8 August 2010, reaching 35.5 °C.
What is the coldest day in Polatsk?
The coldest day measured in Polatsk between 1940 and 2025 was 16 January 1940, at -39.8 °C.
Does it snow in Polatsk?
Yes. Polatsk gets on average 111.3 cm of snow per year and has around 137 frost days.
Has the climate of Polatsk warmed?
Yes: Polatsk warmed by +3.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Polatsk?
The wettest day measured in Polatsk between 1940 and 2025 was 28 July 1977, with 46 mm of rain in 24 hours.
What was the windiest day in Polatsk?
The windiest day measured in Polatsk between 1940 and 2025 was 2 November 1969, with winds reaching 47.7 km/h.
What is the warmest month in Polatsk?
The warmest month in Polatsk is July (18.0 °C on average); the coldest is January (-6.4 °C).
How much does it rain in Polatsk?
Polatsk receives on average 704 mm of precipitation per year, spread over about 138 rainy days.
Is it sunny in Polatsk?
Polatsk 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 Polatsk?
The heaviest 24-hour snowfall measured in Polatsk between 1940 and 2025 was 23 October 1993, with 22.3 cm.
Are there tropical nights in Polatsk?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Polatsk.
What was the most extreme apparent temperature in Polatsk?
In Polatsk, between 1940 and 2025, the highest apparent temperature reached 36.4 °C on 23 July 2010, and the lowest was -45.2 °C on 16 January 1940.
Compare Polatsk with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Polatsk