Rasony climate — normals and trends
Rasony (Belarus) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 5.7 °C and it receives 716 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 (-6.6 °C). Rainfall peaks in July.
Rasony averages 140 frost days, 1 hot days (≥ 30 °C) and 142 rainy days per year.
Rasony has warmed by +2.9 °C between 1940 and 2025, or +0.34 °C per decade. This trend is statistically significant.
The number of frost days there went from about 160 to 120 per year over the period.
The hottest day of the period reached 35.7 °C (on 8 August 2010) and the coldest -39.6 °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
RasonyVitebsk
- coords
- 55.91°, 28.81°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
5.7°C
Average daily high
9.0°C
Average daily low
2.2°C
Annual rainfall
716mm
Sunshine / day
6.8h
Mean relative humidity
79%
Average peak wind
17.4km/h
Seasonal range
24.4°C
Frost days (< 0 °C)
140 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
142 d/yr
Annual snowfall
118.9 cm
Average feels-like high
6.0 °C
Average feels-like low
-1.2 °C
Average peak gust
35.8 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
9.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.9 °C
since 1940
+0.3 °C per decade · r² = 0.49 · 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
35.7 °C
8 August 2010
Coldest day
-39.6 °C
16 January 1940
Wettest day
52 mm
8 July 2008
Windiest day
49.1 km/h
18 October 1967
Strongest gust
98.3 km/h
9 January 2005
Hottest feels-like
36.0 °C
16 August 2010
Coldest feels-like
-45.2 °C
16 January 1940
Snowiest day
18.1 cm
23 October 1993
Sunniest day
16.4 h
30 June 2006
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 | 2.2 °C | +6.5 °C | 63 mm | +20 mm |
| Feb | -2.5 °C | +0.7 °C | 26 mm | -13 mm |
| Mar | 7.9 °C | +6.1 °C | 56 mm | +16 mm |
| Apr | 13.1 °C | +3.3 °C | 33 mm | -16 mm |
| May | 14.2 °C | -2.4 °C | 168 mm | +101 mm |
| Jun | 19.3 °C | -1.0 °C | 148 mm | +68 mm |
| Jul | 24.2 °C | +2.3 °C | 186 mm | +93 mm |
| Aug | 20.5 °C | -0.3 °C | 56 mm | -25 mm |
| Sep | 18.4 °C | +3.0 °C | 27 mm | -39 mm |
| Oct | 9.0 °C | +0.4 °C | 66 mm | +7 mm |
| Nov | 3.9 °C | +1.8 °C | 46 mm | -8 mm |
| Dec | 1.6 °C | +3.5 °C | 39 mm | -9 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 Rasony?
Rasony has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 5.7 °C and it receives 716 mm of precipitation per year.
What is the hottest day ever recorded in Rasony?
The hottest day measured in Rasony between 1940 and 2025 was 8 August 2010, reaching 35.7 °C.
What is the coldest day in Rasony?
The coldest day measured in Rasony between 1940 and 2025 was 16 January 1940, at -39.6 °C.
Does it snow in Rasony?
Yes. Rasony gets on average 118.9 cm of snow per year and has around 140 frost days.
Has the climate of Rasony warmed?
Yes: Rasony warmed by +2.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Rasony?
The wettest day measured in Rasony between 1940 and 2025 was 8 July 2008, with 52 mm of rain in 24 hours.
What was the windiest day in Rasony?
The windiest day measured in Rasony between 1940 and 2025 was 18 October 1967, with winds reaching 49.1 km/h.
What is the warmest month in Rasony?
The warmest month in Rasony is July (17.8 °C on average); the coldest is January (-6.6 °C).
How much does it rain in Rasony?
Rasony receives on average 716 mm of precipitation per year, spread over about 142 rainy days.
Is it sunny in Rasony?
Rasony 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 Rasony?
The heaviest 24-hour snowfall measured in Rasony between 1940 and 2025 was 23 October 1993, with 18.1 cm.
Are there tropical nights in Rasony?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Rasony.
What was the most extreme apparent temperature in Rasony?
In Rasony, between 1940 and 2025, the highest apparent temperature reached 36.0 °C on 16 August 2010, and the lowest was -45.2 °C on 16 January 1940.
Compare Rasony with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Rasony