Chachersk climate — normals and trends
Chachersk (Belarus) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 6.4 °C and it receives 659 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 (18.8 °C on average) and the coldest is January (-6.6 °C). Rainfall peaks in July.
Chachersk averages 137 frost days, 4 hot days (≥ 30 °C) and 128 rainy days per year.
Chachersk has warmed by +3.2 °C between 1940 and 2025, or +0.38 °C per decade. This trend is statistically significant.
The number of frost days there went from about 157 to 117 per year over the period.
The hottest day of the period reached 37.3 °C (on 8 August 2010) and the coldest -40.2 °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
ChacherskHomyel’ Voblasc’
- coords
- 52.92°, 30.92°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
6.4°C
Average daily high
10.1°C
Average daily low
2.7°C
Annual rainfall
659mm
Sunshine / day
6.9h
Mean relative humidity
78%
Average peak wind
20.1km/h
Seasonal range
25.4°C
Frost days (< 0 °C)
137 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
128 d/yr
Annual snowfall
103.0 cm
Average feels-like high
7.0 °C
Average feels-like low
-0.9 °C
Average peak gust
36.9 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
+3.2 °C
since 1940
+0.4 °C per decade · r² = 0.54 · 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
37.3 °C
8 August 2010
Coldest day
-40.2 °C
17 January 1940
Wettest day
69 mm
27 July 2009
Windiest day
60.7 km/h
23 January 1956
Strongest gust
97.6 km/h
5 October 1997
Hottest feels-like
37.6 °C
16 July 1951
Coldest feels-like
-45.5 °C
17 January 1940
Snowiest day
20.0 cm
20 November 2004
Sunniest day
16.0 h
11 June 1940
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 2.7 °C | +6.8 °C | 36 mm | -4 mm |
| Feb | -1.7 °C | +1.2 °C | 11 mm | -27 mm |
| Mar | 9.6 °C | +7.2 °C | 44 mm | +3 mm |
| Apr | 14.4 °C | +2.9 °C | 61 mm | +13 mm |
| May | 16.6 °C | -1.6 °C | 102 mm | +40 mm |
| Jun | 20.9 °C | -1.0 °C | 116 mm | +40 mm |
| Jul | 25.1 °C | +1.8 °C | 69 mm | -19 mm |
| Aug | 23.0 °C | +0.3 °C | 36 mm | -32 mm |
| Sep | 20.1 °C | +2.9 °C | 34 mm | -19 mm |
| Oct | 10.4 °C | +0.3 °C | 67 mm | +15 mm |
| Nov | 6.2 °C | +3.4 °C | 53 mm | +4 mm |
| Dec | 1.2 °C | +2.8 °C | 46 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 Chachersk?
Chachersk has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 6.4 °C and it receives 659 mm of precipitation per year.
What is the hottest day ever recorded in Chachersk?
The hottest day measured in Chachersk between 1940 and 2025 was 8 August 2010, reaching 37.3 °C.
What is the coldest day in Chachersk?
The coldest day measured in Chachersk between 1940 and 2025 was 17 January 1940, at -40.2 °C.
Does it snow in Chachersk?
Yes. Chachersk gets on average 103.0 cm of snow per year and has around 137 frost days.
Has the climate of Chachersk warmed?
Yes: Chachersk warmed by +3.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Chachersk?
The wettest day measured in Chachersk between 1940 and 2025 was 27 July 2009, with 69 mm of rain in 24 hours.
What was the windiest day in Chachersk?
The windiest day measured in Chachersk between 1940 and 2025 was 23 January 1956, with winds reaching 60.7 km/h.
What is the warmest month in Chachersk?
The warmest month in Chachersk is July (18.8 °C on average); the coldest is January (-6.6 °C).
How much does it rain in Chachersk?
Chachersk receives on average 659 mm of precipitation per year, spread over about 128 rainy days.
Is it sunny in Chachersk?
Chachersk gets on average 6.9 hours of sunshine per day, roughly 2,519 hours per year over 1940-2025.
What is the biggest single-day snowfall in Chachersk?
The heaviest 24-hour snowfall measured in Chachersk between 1940 and 2025 was 20 November 2004, with 20.0 cm.
Are there tropical nights in Chachersk?
Yes: Chachersk has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Chachersk?
In Chachersk, between 1940 and 2025, the highest apparent temperature reached 37.6 °C on 16 July 1951, and the lowest was -45.5 °C on 17 January 1940.
Compare Chachersk with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Chachersk