Koz'modem'yansk climate — normals and trends
Koz'modem'yansk (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 607 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 (-11.4 °C). Rainfall peaks in July.
Koz'modem'yansk averages 163 frost days, 4 hot days (≥ 30 °C) and 128 rainy days per year.
Koz'modem'yansk 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 177 to 149 per year over the period.
The hottest day of the period reached 37.8 °C (on 5 August 2010) and the coldest -45.8 °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
Koz'modem'yanskMariy-El Republic
- coords
- 56.33°, 46.56°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
4.1°C
Average daily high
7.2°C
Average daily low
0.9°C
Annual rainfall
607mm
Sunshine / day
7.1h
Mean relative humidity
77%
Average peak wind
18.8km/h
Seasonal range
30.8°C
Frost days (< 0 °C)
163 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
128 d/yr
Annual snowfall
135.7 cm
Average feels-like high
4.0 °C
Average feels-like low
-2.9 °C
Average peak gust
33.8 km/h
Tropical nights (≥ 20 °C)
4 d/yr
Solar radiation
10.3 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
37.8 °C
5 August 2010
Coldest day
-45.8 °C
31 December 1978
Wettest day
72 mm
12 July 1974
Windiest day
53.4 km/h
20 October 1973
Strongest gust
95.0 km/h
29 August 1966
Hottest feels-like
39.5 °C
31 July 2010
Coldest feels-like
-50.9 °C
31 December 1978
Snowiest day
21.2 cm
20 April 2017
Sunniest day
16.4 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 | -1.6 °C | +7.3 °C | 46 mm | +10 mm |
| Feb | -4.4 °C | +3.2 °C | 9 mm | -24 mm |
| Mar | 5.3 °C | +6.5 °C | 31 mm | -2 mm |
| Apr | 11.9 °C | +3.7 °C | 41 mm | +4 mm |
| May | 18.3 °C | +1.9 °C | 43 mm | -7 mm |
| Jun | 21.2 °C | +0.1 °C | 80 mm | +12 mm |
| Jul | 25.1 °C | +2.0 °C | 41 mm | -35 mm |
| Aug | 22.1 °C | +0.9 °C | 97 mm | +34 mm |
| Sep | 16.9 °C | +2.0 °C | 19 mm | -41 mm |
| Oct | 9.6 °C | +2.9 °C | 35 mm | -25 mm |
| Nov | 4.7 °C | +5.8 °C | 73 mm | +25 mm |
| Dec | -2.8 °C | +3.2 °C | 41 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 Koz'modem'yansk?
Koz'modem'yansk has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 4.1 °C and it receives 607 mm of precipitation per year.
What is the hottest day ever recorded in Koz'modem'yansk?
The hottest day measured in Koz'modem'yansk between 1940 and 2025 was 5 August 2010, reaching 37.8 °C.
What is the coldest day in Koz'modem'yansk?
The coldest day measured in Koz'modem'yansk between 1940 and 2025 was 31 December 1978, at -45.8 °C.
Does it snow in Koz'modem'yansk?
Yes. Koz'modem'yansk gets on average 135.7 cm of snow per year and has around 163 frost days.
Has the climate of Koz'modem'yansk warmed?
Yes: Koz'modem'yansk warmed by +3.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Koz'modem'yansk?
The wettest day measured in Koz'modem'yansk between 1940 and 2025 was 12 July 1974, with 72 mm of rain in 24 hours.
What was the windiest day in Koz'modem'yansk?
The windiest day measured in Koz'modem'yansk between 1940 and 2025 was 20 October 1973, with winds reaching 53.4 km/h.
What is the warmest month in Koz'modem'yansk?
The warmest month in Koz'modem'yansk is July (19.4 °C on average); the coldest is January (-11.4 °C).
How much does it rain in Koz'modem'yansk?
Koz'modem'yansk receives on average 607 mm of precipitation per year, spread over about 128 rainy days.
Is it sunny in Koz'modem'yansk?
Koz'modem'yansk 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 Koz'modem'yansk?
The heaviest 24-hour snowfall measured in Koz'modem'yansk between 1940 and 2025 was 20 April 2017, with 21.2 cm.
Are there tropical nights in Koz'modem'yansk?
Yes: Koz'modem'yansk has on average 4 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Koz'modem'yansk?
In Koz'modem'yansk, between 1940 and 2025, the highest apparent temperature reached 39.5 °C on 31 July 2010, and the lowest was -50.9 °C on 31 December 1978.
Compare Koz'modem'yansk with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Koz'modem'yansk