Ozërnyy climate — normals and trends
Ozërnyy (Russia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 5.1 °C and it receives 705 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 (17.7 °C on average) and the coldest is January (-7.8 °C). Rainfall peaks in July.
Ozërnyy averages 151 frost days, 2 hot days (≥ 30 °C) and 142 rainy days per year.
Ozërnyy 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 167 to 135 per year over the period.
The hottest day of the period reached 37.8 °C (on 4 August 2010) and the coldest -39.8 °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
OzërnyySmolensk Oblast
- coords
- 55.58°, 32.41°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
5.1°C
Average daily high
8.6°C
Average daily low
1.5°C
Annual rainfall
705mm
Sunshine / day
6.6h
Mean relative humidity
79%
Average peak wind
17.1km/h
Seasonal range
25.5°C
Frost days (< 0 °C)
151 d/yr
Hot days (≥ 30 °C)
2 d/yr
Rainy days (≥ 1 mm)
142 d/yr
Annual snowfall
130.3 cm
Average feels-like high
5.6 °C
Average feels-like low
-2.0 °C
Average peak gust
35.9 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
9.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.9 °C
since 1940
+0.3 °C per decade · r² = 0.51 · 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
37.8 °C
4 August 2010
Coldest day
-39.8 °C
17 January 1940
Wettest day
89 mm
10 July 1986
Windiest day
43.2 km/h
31 August 1986
Strongest gust
98.3 km/h
7 August 1987
Hottest feels-like
37.3 °C
6 August 2010
Coldest feels-like
-45.4 °C
17 January 1940
Snowiest day
18.8 cm
14 April 1970
Sunniest day
16.2 h
22 June 2024
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 | 1.6 °C | +6.9 °C | 66 mm | +27 mm |
| Feb | -2.5 °C | +1.5 °C | 12 mm | -25 mm |
| Mar | 8.2 °C | +6.7 °C | 41 mm | +0 mm |
| Apr | 13.2 °C | +3.4 °C | 45 mm | -1 mm |
| May | 15.7 °C | -1.0 °C | 76 mm | +10 mm |
| Jun | 19.6 °C | -0.8 °C | 86 mm | +3 mm |
| Jul | 25.1 °C | +3.1 °C | 110 mm | +18 mm |
| Aug | 20.9 °C | 0.0 °C | 65 mm | -11 mm |
| Sep | 18.1 °C | +2.9 °C | 38 mm | -29 mm |
| Oct | 9.1 °C | +1.0 °C | 99 mm | +40 mm |
| Nov | 4.2 °C | +3.0 °C | 71 mm | +19 mm |
| Dec | 0.5 °C | +3.5 °C | 53 mm | +7 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 Ozërnyy?
Ozërnyy has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 5.1 °C and it receives 705 mm of precipitation per year.
What is the hottest day ever recorded in Ozërnyy?
The hottest day measured in Ozërnyy between 1940 and 2025 was 4 August 2010, reaching 37.8 °C.
What is the coldest day in Ozërnyy?
The coldest day measured in Ozërnyy between 1940 and 2025 was 17 January 1940, at -39.8 °C.
Does it snow in Ozërnyy?
Yes. Ozërnyy gets on average 130.3 cm of snow per year and has around 151 frost days.
Has the climate of Ozërnyy warmed?
Yes: Ozërnyy warmed by +2.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ozërnyy?
The wettest day measured in Ozërnyy between 1940 and 2025 was 10 July 1986, with 89 mm of rain in 24 hours.
What was the windiest day in Ozërnyy?
The windiest day measured in Ozërnyy between 1940 and 2025 was 31 August 1986, with winds reaching 43.2 km/h.
What is the warmest month in Ozërnyy?
The warmest month in Ozërnyy is July (17.7 °C on average); the coldest is January (-7.8 °C).
How much does it rain in Ozërnyy?
Ozërnyy receives on average 705 mm of precipitation per year, spread over about 142 rainy days.
Is it sunny in Ozërnyy?
Ozërnyy gets on average 6.6 hours of sunshine per day, roughly 2,409 hours per year over 1940-2025.
What is the biggest single-day snowfall in Ozërnyy?
The heaviest 24-hour snowfall measured in Ozërnyy between 1940 and 2025 was 14 April 1970, with 18.8 cm.
Are there tropical nights in Ozërnyy?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Ozërnyy.
What was the most extreme apparent temperature in Ozërnyy?
In Ozërnyy, between 1940 and 2025, the highest apparent temperature reached 37.3 °C on 6 August 2010, and the lowest was -45.4 °C on 17 January 1940.
Compare Ozërnyy with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ozërnyy