Lyasny climate — normals and trends
Lyasny (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 662 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 (-6.5 °C). Rainfall peaks in July.
Lyasny averages 141 frost days, 2 hot days (≥ 30 °C) and 132 rainy days per year.
Lyasny has warmed by +3.0 °C between 1940 and 2025, or +0.36 °C per decade. This trend is statistically significant.
The number of frost days there went from about 162 to 120 per year over the period.
The hottest day of the period reached 35.3 °C (on 11 August 1992) and the coldest -37.6 °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
LyasnyMinsk
- coords
- 54.01°, 27.70°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
5.9°C
Average daily high
9.4°C
Average daily low
2.3°C
Annual rainfall
662mm
Sunshine / day
6.9h
Mean relative humidity
80%
Average peak wind
21.2km/h
Seasonal range
24.3°C
Frost days (< 0 °C)
141 d/yr
Hot days (≥ 30 °C)
2 d/yr
Rainy days (≥ 1 mm)
132 d/yr
Annual snowfall
103.6 cm
Average feels-like high
6.1 °C
Average feels-like low
-1.5 °C
Average peak gust
37.7 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.0 °C
since 1940
+0.4 °C per decade · r² = 0.51 · 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
35.3 °C
11 August 1992
Coldest day
-37.6 °C
17 January 1940
Wettest day
70 mm
5 August 1950
Windiest day
69.8 km/h
22 February 1953
Strongest gust
99.4 km/h
23 November 1978
Hottest feels-like
36.0 °C
24 June 2021
Coldest feels-like
-42.7 °C
17 January 1940
Snowiest day
17.1 cm
12 January 2016
Sunniest day
16.1 h
27 June 2024
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 | 2.3 °C | +6.5 °C | 39 mm | -0 mm |
| Feb | -1.5 °C | +1.7 °C | 10 mm | -25 mm |
| Mar | 9.7 °C | +8.0 °C | 39 mm | 0 mm |
| Apr | 14.0 °C | +3.6 °C | 29 mm | -19 mm |
| May | 14.6 °C | -2.4 °C | 132 mm | +64 mm |
| Jun | 19.9 °C | -0.6 °C | 125 mm | +46 mm |
| Jul | 23.6 °C | +1.5 °C | 155 mm | +68 mm |
| Aug | 21.5 °C | 0.0 °C | 28 mm | -46 mm |
| Sep | 19.3 °C | +3.0 °C | 26 mm | -29 mm |
| Oct | 9.8 °C | +0.4 °C | 64 mm | +13 mm |
| Nov | 4.9 °C | +2.3 °C | 64 mm | +16 mm |
| Dec | 1.7 °C | +3.3 °C | 30 mm | -12 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 Lyasny?
Lyasny has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 5.9 °C and it receives 662 mm of precipitation per year.
What is the hottest day ever recorded in Lyasny?
The hottest day measured in Lyasny between 1940 and 2025 was 11 August 1992, reaching 35.3 °C.
What is the coldest day in Lyasny?
The coldest day measured in Lyasny between 1940 and 2025 was 17 January 1940, at -37.6 °C.
Does it snow in Lyasny?
Yes. Lyasny gets on average 103.6 cm of snow per year and has around 141 frost days.
Has the climate of Lyasny warmed?
Yes: Lyasny warmed by +3.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Lyasny?
The wettest day measured in Lyasny between 1940 and 2025 was 5 August 1950, with 70 mm of rain in 24 hours.
What was the windiest day in Lyasny?
The windiest day measured in Lyasny between 1940 and 2025 was 22 February 1953, with winds reaching 69.8 km/h.
What is the warmest month in Lyasny?
The warmest month in Lyasny is July (17.8 °C on average); the coldest is January (-6.5 °C).
How much does it rain in Lyasny?
Lyasny receives on average 662 mm of precipitation per year, spread over about 132 rainy days.
Is it sunny in Lyasny?
Lyasny 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 Lyasny?
The heaviest 24-hour snowfall measured in Lyasny between 1940 and 2025 was 12 January 2016, with 17.1 cm.
Are there tropical nights in Lyasny?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Lyasny.
What was the most extreme apparent temperature in Lyasny?
In Lyasny, between 1940 and 2025, the highest apparent temperature reached 36.0 °C on 24 June 2021, and the lowest was -42.7 °C on 17 January 1940.
Compare Lyasny with another city
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Nearby cities
The climate around Lyasny