Unecha climate — normals and trends
Unecha (Russia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 6.1 °C and it receives 656 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 (18.7 °C on average) and the coldest is January (-7.1 °C). Rainfall peaks in July.
Unecha averages 142 frost days, 4 hot days (≥ 30 °C) and 129 rainy days per year.
Unecha 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 161 to 123 per year over the period.
The hottest day of the period reached 37.6 °C (on 8 August 2010) and the coldest -38.6 °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
UnechaBryansk Oblast
- coords
- 52.84°, 32.69°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
6.1°C
Average daily high
9.8°C
Average daily low
2.4°C
Annual rainfall
656mm
Sunshine / day
7.1h
Mean relative humidity
78%
Average peak wind
19.7km/h
Seasonal range
25.8°C
Frost days (< 0 °C)
142 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
129 d/yr
Annual snowfall
109.2 cm
Average feels-like high
6.7 °C
Average feels-like low
-1.1 °C
Average peak gust
36.2 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
10.7 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
37.6 °C
8 August 2010
Coldest day
-38.6 °C
17 January 1940
Wettest day
55 mm
10 July 1986
Windiest day
55.1 km/h
15 March 1968
Strongest gust
96.8 km/h
14 January 2022
Hottest feels-like
38.4 °C
16 July 1951
Coldest feels-like
-43.7 °C
10 January 1940
Snowiest day
17.4 cm
19 November 1999
Sunniest day
16.0 h
27 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 | 2.5 °C | +7.2 °C | 37 mm | -3 mm |
| Feb | -2.1 °C | +1.4 °C | 10 mm | -27 mm |
| Mar | 9.1 °C | +7.3 °C | 55 mm | +15 mm |
| Apr | 14.4 °C | +3.2 °C | 47 mm | +1 mm |
| May | 17.2 °C | -0.9 °C | 50 mm | -10 mm |
| Jun | 20.7 °C | -1.0 °C | 118 mm | +44 mm |
| Jul | 25.4 °C | +2.2 °C | 78 mm | -12 mm |
| Aug | 22.4 °C | -0.2 °C | 45 mm | -20 mm |
| Sep | 19.6 °C | +2.6 °C | 19 mm | -36 mm |
| Oct | 10.1 °C | +0.4 °C | 67 mm | +16 mm |
| Nov | 6.3 °C | +4.1 °C | 46 mm | -3 mm |
| Dec | 0.5 °C | +2.7 °C | 52 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 Unecha?
Unecha has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 6.1 °C and it receives 656 mm of precipitation per year.
What is the hottest day ever recorded in Unecha?
The hottest day measured in Unecha between 1940 and 2025 was 8 August 2010, reaching 37.6 °C.
What is the coldest day in Unecha?
The coldest day measured in Unecha between 1940 and 2025 was 17 January 1940, at -38.6 °C.
Does it snow in Unecha?
Yes. Unecha gets on average 109.2 cm of snow per year and has around 142 frost days.
Has the climate of Unecha warmed?
Yes: Unecha warmed by +3.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Unecha?
The wettest day measured in Unecha between 1940 and 2025 was 10 July 1986, with 55 mm of rain in 24 hours.
What was the windiest day in Unecha?
The windiest day measured in Unecha between 1940 and 2025 was 15 March 1968, with winds reaching 55.1 km/h.
What is the warmest month in Unecha?
The warmest month in Unecha is July (18.7 °C on average); the coldest is January (-7.1 °C).
How much does it rain in Unecha?
Unecha receives on average 656 mm of precipitation per year, spread over about 129 rainy days.
Is it sunny in Unecha?
Unecha 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 Unecha?
The heaviest 24-hour snowfall measured in Unecha between 1940 and 2025 was 19 November 1999, with 17.4 cm.
Are there tropical nights in Unecha?
Yes: Unecha has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Unecha?
In Unecha, between 1940 and 2025, the highest apparent temperature reached 38.4 °C on 16 July 1951, and the lowest was -43.7 °C on 10 January 1940.
Compare Unecha with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Unecha