Kalach-na-Donu climate — normals and trends
Kalach-na-Donu (Russia) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 8.4 °C and it receives 404 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 (23.7 °C on average) and the coldest is January (-7.1 °C). Rainfall peaks in December.
Kalach-na-Donu averages 132 frost days, 35 hot days (≥ 30 °C) and 87 rainy days per year.
Kalach-na-Donu has warmed by +2.7 °C between 1940 and 2025, or +0.32 °C per decade. This trend is statistically significant.
The number of frost days there went from about 146 to 118 per year over the period.
The hottest day of the period reached 41.0 °C (on 8 July 2020) and the coldest -37.0 °C (on 9 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
Kalach-na-DonuVolgograd Oblast
- coords
- 48.69°, 43.53°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.4°C
Average daily high
12.6°C
Average daily low
4.1°C
Annual rainfall
404mm
Sunshine / day
8.0h
Mean relative humidity
69%
Average peak wind
19.2km/h
Seasonal range
30.8°C
Frost days (< 0 °C)
132 d/yr
Hot days (≥ 30 °C)
35 d/yr
Rainy days (≥ 1 mm)
87 d/yr
Annual snowfall
74.9 cm
Average feels-like high
9.4 °C
Average feels-like low
0.7 °C
Average peak gust
35.7 km/h
Tropical nights (≥ 20 °C)
18 d/yr
Solar radiation
12.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.7 °C
since 1940
+0.3 °C per decade · r² = 0.40 · 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
41.0 °C
8 July 2020
Coldest day
-37.0 °C
9 January 1940
Wettest day
63 mm
5 August 1999
Windiest day
51.9 km/h
8 February 1958
Strongest gust
97.6 km/h
31 October 1970
Hottest feels-like
40.4 °C
8 August 2017
Coldest feels-like
-43.0 °C
9 January 1940
Snowiest day
18.8 cm
27 March 2002
Sunniest day
15.4 h
27 June 2022
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 | 2.4 °C | +6.8 °C | 16 mm | -21 mm |
| Feb | -2.6 °C | +1.0 °C | 32 mm | +0 mm |
| Mar | 10.5 °C | +7.6 °C | 32 mm | -1 mm |
| Apr | 17.4 °C | +3.0 °C | 27 mm | -7 mm |
| May | 23.1 °C | +1.4 °C | 25 mm | -12 mm |
| Jun | 26.2 °C | -0.3 °C | 36 mm | +0 mm |
| Jul | 32.5 °C | +3.5 °C | 31 mm | -3 mm |
| Aug | 29.7 °C | +1.4 °C | 5 mm | -19 mm |
| Sep | 23.0 °C | +1.5 °C | 3 mm | -26 mm |
| Oct | 14.3 °C | +1.8 °C | 62 mm | +30 mm |
| Nov | 9.4 °C | +5.5 °C | 13 mm | -24 mm |
| Dec | 0.4 °C | +2.2 °C | 25 mm | -16 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 Kalach-na-Donu?
Kalach-na-Donu has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 8.4 °C and it receives 404 mm of precipitation per year.
What is the hottest day ever recorded in Kalach-na-Donu?
The hottest day measured in Kalach-na-Donu between 1940 and 2025 was 8 July 2020, reaching 41.0 °C.
What is the coldest day in Kalach-na-Donu?
The coldest day measured in Kalach-na-Donu between 1940 and 2025 was 9 January 1940, at -37.0 °C.
Does it snow in Kalach-na-Donu?
Yes. Kalach-na-Donu gets on average 74.9 cm of snow per year and has around 132 frost days.
Has the climate of Kalach-na-Donu warmed?
Yes: Kalach-na-Donu warmed by +2.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Kalach-na-Donu?
The wettest day measured in Kalach-na-Donu between 1940 and 2025 was 5 August 1999, with 63 mm of rain in 24 hours.
What was the windiest day in Kalach-na-Donu?
The windiest day measured in Kalach-na-Donu between 1940 and 2025 was 8 February 1958, with winds reaching 51.9 km/h.
What is the warmest month in Kalach-na-Donu?
The warmest month in Kalach-na-Donu is July (23.7 °C on average); the coldest is January (-7.1 °C).
How much does it rain in Kalach-na-Donu?
Kalach-na-Donu receives on average 404 mm of precipitation per year, spread over about 87 rainy days.
Is it sunny in Kalach-na-Donu?
Kalach-na-Donu gets on average 8.0 hours of sunshine per day, roughly 2,920 hours per year over 1940-2025.
What is the biggest single-day snowfall in Kalach-na-Donu?
The heaviest 24-hour snowfall measured in Kalach-na-Donu between 1940 and 2025 was 27 March 2002, with 18.8 cm.
Are there tropical nights in Kalach-na-Donu?
Yes: Kalach-na-Donu has on average 18 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Kalach-na-Donu?
In Kalach-na-Donu, between 1940 and 2025, the highest apparent temperature reached 40.4 °C on 8 August 2017, and the lowest was -43.0 °C on 9 January 1940.
Compare Kalach-na-Donu with another city
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Nearby cities
The climate around Kalach-na-Donu