Kozlovka climate — normals and trends
Kozlovka (Russia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 3.9 °C and it receives 590 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 (19.3 °C on average) and the coldest is January (-12.1 °C). Rainfall peaks in July.
Kozlovka averages 170 frost days, 7 hot days (≥ 30 °C) and 123 rainy days per year.
Kozlovka has warmed by +3.1 °C between 1940 and 2025, or +0.37 °C per decade. This trend is statistically significant.
The number of frost days there went from about 183 to 157 per year over the period.
The hottest day of the period reached 38.6 °C (on 1 August 2010) and the coldest -45.8 °C (on 22 January 1942).
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
KozlovkaChuvash Republic
- coords
- 55.84°, 48.25°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
3.9°C
Average daily high
7.5°C
Average daily low
0.1°C
Annual rainfall
590mm
Sunshine / day
7.2h
Mean relative humidity
76%
Average peak wind
19.2km/h
Seasonal range
31.4°C
Frost days (< 0 °C)
170 d/yr
Hot days (≥ 30 °C)
7 d/yr
Rainy days (≥ 1 mm)
123 d/yr
Annual snowfall
135.1 cm
Average feels-like high
4.1 °C
Average feels-like low
-3.8 °C
Average peak gust
35.1 km/h
Tropical nights (≥ 20 °C)
2 d/yr
Solar radiation
10.7 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
38.6 °C
1 August 2010
Coldest day
-45.8 °C
22 January 1942
Wettest day
68 mm
31 May 1943
Windiest day
54.9 km/h
20 October 1973
Strongest gust
99.7 km/h
2 February 2015
Hottest feels-like
39.2 °C
31 July 2010
Coldest feels-like
-51.4 °C
31 December 1978
Snowiest day
17.3 cm
27 March 2024
Sunniest day
16.5 h
16 June 2018
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 | -2.1 °C | +7.3 °C | 48 mm | +12 mm |
| Feb | -5.4 °C | +3.0 °C | 16 mm | -17 mm |
| Mar | 5.7 °C | +7.6 °C | 23 mm | -11 mm |
| Apr | 14.3 °C | +5.5 °C | 37 mm | -1 mm |
| May | 19.2 °C | +1.4 °C | 77 mm | +25 mm |
| Jun | 22.1 °C | +0.1 °C | 98 mm | +34 mm |
| Jul | 25.7 °C | +1.8 °C | 42 mm | -31 mm |
| Aug | 23.1 °C | +0.9 °C | 90 mm | +28 mm |
| Sep | 17.5 °C | +1.7 °C | 25 mm | -28 mm |
| Oct | 10.1 °C | +3.1 °C | 37 mm | -19 mm |
| Nov | 4.9 °C | +6.2 °C | 71 mm | +26 mm |
| Dec | -3.3 °C | +3.2 °C | 41 mm | -1 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 Kozlovka?
Kozlovka has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 3.9 °C and it receives 590 mm of precipitation per year.
What is the hottest day ever recorded in Kozlovka?
The hottest day measured in Kozlovka between 1940 and 2025 was 1 August 2010, reaching 38.6 °C.
What is the coldest day in Kozlovka?
The coldest day measured in Kozlovka between 1940 and 2025 was 22 January 1942, at -45.8 °C.
Does it snow in Kozlovka?
Yes. Kozlovka gets on average 135.1 cm of snow per year and has around 170 frost days.
Has the climate of Kozlovka warmed?
Yes: Kozlovka warmed by +3.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Kozlovka?
The wettest day measured in Kozlovka between 1940 and 2025 was 31 May 1943, with 68 mm of rain in 24 hours.
What was the windiest day in Kozlovka?
The windiest day measured in Kozlovka between 1940 and 2025 was 20 October 1973, with winds reaching 54.9 km/h.
What is the warmest month in Kozlovka?
The warmest month in Kozlovka is July (19.3 °C on average); the coldest is January (-12.1 °C).
How much does it rain in Kozlovka?
Kozlovka receives on average 590 mm of precipitation per year, spread over about 123 rainy days.
Is it sunny in Kozlovka?
Kozlovka gets on average 7.2 hours of sunshine per day, roughly 2,628 hours per year over 1940-2025.
What is the biggest single-day snowfall in Kozlovka?
The heaviest 24-hour snowfall measured in Kozlovka between 1940 and 2025 was 27 March 2024, with 17.3 cm.
Are there tropical nights in Kozlovka?
Yes: Kozlovka has on average 2 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Kozlovka?
In Kozlovka, between 1940 and 2025, the highest apparent temperature reached 39.2 °C on 31 July 2010, and the lowest was -51.4 °C on 31 December 1978.
Compare Kozlovka with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Kozlovka