Lesnoy climate — normals and trends
Lesnoy (Russia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 5.4 °C and it receives 602 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 (19.6 °C on average) and the coldest is January (-9.3 °C). Rainfall peaks in July.
Lesnoy averages 153 frost days, 8 hot days (≥ 30 °C) and 122 rainy days per year.
Lesnoy has warmed by +3.1 °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 168 to 138 per year over the period.
The hottest day of the period reached 39.1 °C (on 29 July 2010) and the coldest -40.8 °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
LesnoyRyazan Oblast
- coords
- 54.21°, 40.47°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
5.4°C
Average daily high
9.1°C
Average daily low
1.6°C
Annual rainfall
602mm
Sunshine / day
7.1h
Mean relative humidity
76%
Average peak wind
18.2km/h
Seasonal range
28.9°C
Frost days (< 0 °C)
153 d/yr
Hot days (≥ 30 °C)
8 d/yr
Rainy days (≥ 1 mm)
122 d/yr
Annual snowfall
119.2 cm
Average feels-like high
6.0 °C
Average feels-like low
-2.0 °C
Average peak gust
35.2 km/h
Tropical nights (≥ 20 °C)
2 d/yr
Solar radiation
10.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.1 °C
since 1940
+0.4 °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
39.1 °C
29 July 2010
Coldest day
-40.8 °C
17 January 1940
Wettest day
73 mm
24 July 1951
Windiest day
48.7 km/h
9 June 1984
Strongest gust
93.2 km/h
9 June 1984
Hottest feels-like
40.6 °C
3 August 2010
Coldest feels-like
-45.9 °C
17 January 1940
Snowiest day
18.3 cm
10 January 1985
Sunniest day
16.4 h
28 June 2022
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 | 1.1 °C | +7.7 °C | 38 mm | -0 mm |
| Feb | -3.4 °C | +2.1 °C | 18 mm | -16 mm |
| Mar | 7.7 °C | +7.4 °C | 43 mm | +8 mm |
| Apr | 14.7 °C | +3.9 °C | 27 mm | -16 mm |
| May | 19.7 °C | +1.2 °C | 39 mm | -12 mm |
| Jun | 21.5 °C | -1.0 °C | 113 mm | +49 mm |
| Jul | 26.9 °C | +2.6 °C | 81 mm | +4 mm |
| Aug | 22.2 °C | -0.7 °C | 92 mm | +31 mm |
| Sep | 18.8 °C | +2.2 °C | 15 mm | -38 mm |
| Oct | 10.7 °C | +2.1 °C | 75 mm | +19 mm |
| Nov | 5.9 °C | +5.2 °C | 60 mm | +14 mm |
| Dec | -1.1 °C | +2.8 °C | 36 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 Lesnoy?
Lesnoy has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 5.4 °C and it receives 602 mm of precipitation per year.
What is the hottest day ever recorded in Lesnoy?
The hottest day measured in Lesnoy between 1940 and 2025 was 29 July 2010, reaching 39.1 °C.
What is the coldest day in Lesnoy?
The coldest day measured in Lesnoy between 1940 and 2025 was 17 January 1940, at -40.8 °C.
Does it snow in Lesnoy?
Yes. Lesnoy gets on average 119.2 cm of snow per year and has around 153 frost days.
Has the climate of Lesnoy warmed?
Yes: Lesnoy warmed by +3.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Lesnoy?
The wettest day measured in Lesnoy between 1940 and 2025 was 24 July 1951, with 73 mm of rain in 24 hours.
What was the windiest day in Lesnoy?
The windiest day measured in Lesnoy between 1940 and 2025 was 9 June 1984, with winds reaching 48.7 km/h.
What is the warmest month in Lesnoy?
The warmest month in Lesnoy is July (19.6 °C on average); the coldest is January (-9.3 °C).
How much does it rain in Lesnoy?
Lesnoy receives on average 602 mm of precipitation per year, spread over about 122 rainy days.
Is it sunny in Lesnoy?
Lesnoy gets on average 7.1 hours of sunshine per day, roughly 2,592 hours per year over 1940-2025.
What is the biggest single-day snowfall in Lesnoy?
The heaviest 24-hour snowfall measured in Lesnoy between 1940 and 2025 was 10 January 1985, with 18.3 cm.
Are there tropical nights in Lesnoy?
Yes: Lesnoy has on average 2 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Lesnoy?
In Lesnoy, between 1940 and 2025, the highest apparent temperature reached 40.6 °C on 3 August 2010, and the lowest was -45.9 °C on 17 January 1940.
Compare Lesnoy with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Lesnoy