Cheboksary climate — normals and trends
Cheboksary (Russia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 4.1 °C and it receives 615 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 (19.4 °C on average) and the coldest is January (-11.6 °C). Rainfall peaks in July.
Cheboksary averages 165 frost days, 7 hot days (≥ 30 °C) and 128 rainy days per year.
Cheboksary 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 178 to 152 per year over the period.
The hottest day of the period reached 38.7 °C (on 1 August 2010) and the coldest -46.5 °C (on 31 December 1978).
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
CheboksaryChuvash Republic
- coords
- 56.13°, 47.25°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
4.1°C
Average daily high
7.7°C
Average daily low
0.6°C
Annual rainfall
615mm
Sunshine / day
7.1h
Mean relative humidity
76%
Average peak wind
17.4km/h
Seasonal range
31.0°C
Frost days (< 0 °C)
165 d/yr
Hot days (≥ 30 °C)
7 d/yr
Rainy days (≥ 1 mm)
128 d/yr
Annual snowfall
140.3 cm
Average feels-like high
4.4 °C
Average feels-like low
-3.1 °C
Average peak gust
35.7 km/h
Tropical nights (≥ 20 °C)
2 d/yr
Solar radiation
10.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.1 °C
since 1940
+0.4 °C per decade · r² = 0.50 · 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
38.7 °C
1 August 2010
Coldest day
-46.5 °C
31 December 1978
Wettest day
66 mm
12 July 2015
Windiest day
51.0 km/h
20 October 1973
Strongest gust
95.4 km/h
20 October 1973
Hottest feels-like
39.0 °C
31 July 2010
Coldest feels-like
-51.5 °C
31 December 1978
Snowiest day
21.3 cm
20 April 2017
Sunniest day
16.6 h
18 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 | -1.7 °C | +7.2 °C | 47 mm | +9 mm |
| Feb | -4.2 °C | +3.3 °C | 10 mm | -24 mm |
| Mar | 6.0 °C | +6.9 °C | 28 mm | -7 mm |
| Apr | 13.2 °C | +3.9 °C | 39 mm | +1 mm |
| May | 19.0 °C | +1.4 °C | 65 mm | +12 mm |
| Jun | 21.5 °C | -0.4 °C | 107 mm | +40 mm |
| Jul | 25.5 °C | +1.8 °C | 47 mm | -31 mm |
| Aug | 22.4 °C | +0.6 °C | 110 mm | +47 mm |
| Sep | 17.2 °C | +1.8 °C | 21 mm | -38 mm |
| Oct | 9.8 °C | +3.0 °C | 34 mm | -25 mm |
| Nov | 4.6 °C | +5.7 °C | 73 mm | +25 mm |
| Dec | -3.1 °C | +3.0 °C | 42 mm | -2 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 Cheboksary?
Cheboksary has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 4.1 °C and it receives 615 mm of precipitation per year.
What is the hottest day ever recorded in Cheboksary?
The hottest day measured in Cheboksary between 1940 and 2025 was 1 August 2010, reaching 38.7 °C.
What is the coldest day in Cheboksary?
The coldest day measured in Cheboksary between 1940 and 2025 was 31 December 1978, at -46.5 °C.
Does it snow in Cheboksary?
Yes. Cheboksary gets on average 140.3 cm of snow per year and has around 165 frost days.
Has the climate of Cheboksary warmed?
Yes: Cheboksary warmed by +3.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Cheboksary?
The wettest day measured in Cheboksary between 1940 and 2025 was 12 July 2015, with 66 mm of rain in 24 hours.
What was the windiest day in Cheboksary?
The windiest day measured in Cheboksary between 1940 and 2025 was 20 October 1973, with winds reaching 51.0 km/h.
What is the warmest month in Cheboksary?
The warmest month in Cheboksary is July (19.4 °C on average); the coldest is January (-11.6 °C).
How much does it rain in Cheboksary?
Cheboksary receives on average 615 mm of precipitation per year, spread over about 128 rainy days.
Is it sunny in Cheboksary?
Cheboksary 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 Cheboksary?
The heaviest 24-hour snowfall measured in Cheboksary between 1940 and 2025 was 20 April 2017, with 21.3 cm.
Are there tropical nights in Cheboksary?
Yes: Cheboksary has on average 2 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Cheboksary?
In Cheboksary, between 1940 and 2025, the highest apparent temperature reached 39.0 °C on 31 July 2010, and the lowest was -51.5 °C on 31 December 1978.
Compare Cheboksary with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Cheboksary