Kostanay climate — normals and trends
Kostanay (Kazakhstan) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 3.0 °C and it receives 395 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 (20.5 °C on average) and the coldest is January (-15.9 °C). Rainfall peaks in July.
Kostanay averages 181 frost days, 16 hot days (≥ 30 °C) and 86 rainy days per year.
Kostanay has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.
The number of frost days there went from about 189 to 173 per year over the period.
The hottest day of the period reached 39.4 °C (on 30 July 1952) and the coldest -45.1 °C (on 11 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
KostanayKostanay
- coords
- 53.21°, 63.62°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
3.0°C
Average daily high
7.6°C
Average daily low
-1.7°C
Annual rainfall
395mm
Sunshine / day
8.4h
Mean relative humidity
70%
Average peak wind
18.7km/h
Seasonal range
36.4°C
Frost days (< 0 °C)
181 d/yr
Hot days (≥ 30 °C)
16 d/yr
Rainy days (≥ 1 mm)
86 d/yr
Annual snowfall
84.6 cm
Average feels-like high
3.9 °C
Average feels-like low
-5.7 °C
Average peak gust
34.9 km/h
Tropical nights (≥ 20 °C)
3 d/yr
Solar radiation
12.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.32 · 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
39.4 °C
30 July 1952
Coldest day
-45.1 °C
11 January 1940
Wettest day
57 mm
25 May 1941
Windiest day
52.2 km/h
26 December 2023
Strongest gust
98.6 km/h
7 April 2020
Hottest feels-like
39.2 °C
24 July 1971
Coldest feels-like
-50.7 °C
17 February 1951
Snowiest day
19.4 cm
31 March 1994
Sunniest day
16.0 h
25 June 1949
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 | -5.9 °C | +6.5 °C | 21 mm | +1 mm |
| Feb | -6.8 °C | +4.0 °C | 16 mm | -1 mm |
| Mar | 1.8 °C | +4.9 °C | 23 mm | +2 mm |
| Apr | 16.8 °C | +6.3 °C | 38 mm | +11 mm |
| May | 20.7 °C | +1.1 °C | 60 mm | +20 mm |
| Jun | 25.3 °C | +0.8 °C | 63 mm | +18 mm |
| Jul | 24.6 °C | -1.1 °C | 56 mm | -2 mm |
| Aug | 24.1 °C | +0.3 °C | 51 mm | +6 mm |
| Sep | 18.2 °C | +0.4 °C | 51 mm | +18 mm |
| Oct | 10.6 °C | +2.5 °C | 12 mm | -24 mm |
| Nov | 3.3 °C | +5.9 °C | 42 mm | +13 mm |
| Dec | -7.5 °C | +2.0 °C | 36 mm | +13 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 Kostanay?
Kostanay has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 3.0 °C and it receives 395 mm of precipitation per year.
What is the hottest day ever recorded in Kostanay?
The hottest day measured in Kostanay between 1940 and 2025 was 30 July 1952, reaching 39.4 °C.
What is the coldest day in Kostanay?
The coldest day measured in Kostanay between 1940 and 2025 was 11 January 1940, at -45.1 °C.
Does it snow in Kostanay?
Yes. Kostanay gets on average 84.6 cm of snow per year and has around 181 frost days.
Has the climate of Kostanay warmed?
Yes: Kostanay warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Kostanay?
The wettest day measured in Kostanay between 1940 and 2025 was 25 May 1941, with 57 mm of rain in 24 hours.
What was the windiest day in Kostanay?
The windiest day measured in Kostanay between 1940 and 2025 was 26 December 2023, with winds reaching 52.2 km/h.
What is the warmest month in Kostanay?
The warmest month in Kostanay is July (20.5 °C on average); the coldest is January (-15.9 °C).
How much does it rain in Kostanay?
Kostanay receives on average 395 mm of precipitation per year, spread over about 86 rainy days.
Is it sunny in Kostanay?
Kostanay gets on average 8.4 hours of sunshine per day, roughly 3,066 hours per year over 1940-2025.
What is the biggest single-day snowfall in Kostanay?
The heaviest 24-hour snowfall measured in Kostanay between 1940 and 2025 was 31 March 1994, with 19.4 cm.
Are there tropical nights in Kostanay?
Yes: Kostanay has on average 3 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Kostanay?
In Kostanay, between 1940 and 2025, the highest apparent temperature reached 39.2 °C on 24 July 1971, and the lowest was -50.7 °C on 17 February 1951.
Compare Kostanay with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Kostanay