Desna climate — normals and trends
Desna (Ukraine) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 7.8 °C and it receives 621 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 (20.1 °C on average) and the coldest is January (-5.3 °C). Rainfall peaks in July.
Desna averages 117 frost days, 7 hot days (≥ 30 °C) and 118 rainy days per year.
Desna 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 140 to 94 per year over the period.
The hottest day of the period reached 37.7 °C (on 8 August 2010) and the coldest -36.3 °C (on 10 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
DesnaChernihiv Oblast
- coords
- 50.93°, 30.77°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.8°C
Average daily high
11.3°C
Average daily low
4.4°C
Annual rainfall
621mm
Sunshine / day
7.3h
Mean relative humidity
77%
Average peak wind
18.0km/h
Seasonal range
25.4°C
Frost days (< 0 °C)
117 d/yr
Hot days (≥ 30 °C)
7 d/yr
Rainy days (≥ 1 mm)
118 d/yr
Annual snowfall
84.1 cm
Average feels-like high
8.6 °C
Average feels-like low
1.2 °C
Average peak gust
34.4 km/h
Tropical nights (≥ 20 °C)
4 d/yr
Solar radiation
11.1 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
37.7 °C
8 August 2010
Coldest day
-36.3 °C
10 January 1940
Wettest day
80 mm
20 August 1949
Windiest day
55.5 km/h
22 February 1953
Strongest gust
93.2 km/h
6 February 1993
Hottest feels-like
38.2 °C
19 July 2010
Coldest feels-like
-41.3 °C
10 January 1940
Snowiest day
22.2 cm
27 January 2005
Sunniest day
16.0 h
6 June 1940
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 | 3.6 °C | +6.6 °C | 22 mm | -16 mm |
| Feb | -1.0 °C | +0.7 °C | 11 mm | -26 mm |
| Mar | 10.9 °C | +7.3 °C | 28 mm | -10 mm |
| Apr | 15.5 °C | +3.1 °C | 49 mm | +4 mm |
| May | 18.0 °C | -1.3 °C | 70 mm | +12 mm |
| Jun | 23.1 °C | +0.1 °C | 65 mm | -5 mm |
| Jul | 26.7 °C | +2.3 °C | 91 mm | +7 mm |
| Aug | 24.5 °C | +0.6 °C | 51 mm | -13 mm |
| Sep | 21.4 °C | +2.9 °C | 25 mm | -26 mm |
| Oct | 11.2 °C | -0.1 °C | 71 mm | +25 mm |
| Nov | 8.0 °C | +4.0 °C | 35 mm | -12 mm |
| Dec | 2.4 °C | +3.0 °C | 38 mm | -6 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 Desna?
Desna has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 7.8 °C and it receives 621 mm of precipitation per year.
What is the hottest day ever recorded in Desna?
The hottest day measured in Desna between 1940 and 2025 was 8 August 2010, reaching 37.7 °C.
What is the coldest day in Desna?
The coldest day measured in Desna between 1940 and 2025 was 10 January 1940, at -36.3 °C.
Does it snow in Desna?
Yes. Desna gets on average 84.1 cm of snow per year and has around 117 frost days.
Has the climate of Desna warmed?
Yes: Desna warmed by +3.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Desna?
The wettest day measured in Desna between 1940 and 2025 was 20 August 1949, with 80 mm of rain in 24 hours.
What was the windiest day in Desna?
The windiest day measured in Desna between 1940 and 2025 was 22 February 1953, with winds reaching 55.5 km/h.
What is the warmest month in Desna?
The warmest month in Desna is July (20.1 °C on average); the coldest is January (-5.3 °C).
How much does it rain in Desna?
Desna receives on average 621 mm of precipitation per year, spread over about 118 rainy days.
Is it sunny in Desna?
Desna gets on average 7.3 hours of sunshine per day, roughly 2,665 hours per year over 1940-2025.
What is the biggest single-day snowfall in Desna?
The heaviest 24-hour snowfall measured in Desna between 1940 and 2025 was 27 January 2005, with 22.2 cm.
Are there tropical nights in Desna?
Yes: Desna has on average 4 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Desna?
In Desna, between 1940 and 2025, the highest apparent temperature reached 38.2 °C on 19 July 2010, and the lowest was -41.3 °C on 10 January 1940.
Compare Desna with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Desna