Arsk climate — normals and trends
Arsk (Russia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 3.3 °C and it receives 601 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 (19.0 °C on average) and the coldest is January (-12.9 °C). Rainfall peaks in July.
Arsk averages 177 frost days, 6 hot days (≥ 30 °C) and 126 rainy days per year.
Arsk has warmed by +3.0 °C between 1940 and 2025, or +0.35 °C per decade. This trend is statistically significant.
The number of frost days there went from about 188 to 166 per year over the period.
The hottest day of the period reached 38.5 °C (on 20 August 2021) and the coldest -46.4 °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
ArskTatarstan Republic
- coords
- 56.09°, 49.88°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
3.3°C
Average daily high
6.9°C
Average daily low
-0.6°C
Annual rainfall
601mm
Sunshine / day
7.3h
Mean relative humidity
76%
Average peak wind
19.8km/h
Seasonal range
31.9°C
Frost days (< 0 °C)
177 d/yr
Hot days (≥ 30 °C)
6 d/yr
Rainy days (≥ 1 mm)
126 d/yr
Annual snowfall
155.4 cm
Average feels-like high
3.3 °C
Average feels-like low
-4.6 °C
Average peak gust
35.8 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
10.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.0 °C
since 1940
+0.4 °C per decade · r² = 0.48 · 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
38.5 °C
20 August 2021
Coldest day
-46.4 °C
31 December 1978
Wettest day
52 mm
26 July 1954
Windiest day
54.1 km/h
7 February 1995
Strongest gust
96.1 km/h
20 October 1973
Hottest feels-like
38.6 °C
11 July 1954
Coldest feels-like
-52.1 °C
31 December 1978
Snowiest day
18.3 cm
4 November 2002
Sunniest day
17.0 h
14 June 2020
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 | -2.9 °C | +7.3 °C | 60 mm | +18 mm |
| Feb | -6.2 °C | +2.9 °C | 14 mm | -20 mm |
| Mar | 3.8 °C | +6.3 °C | 27 mm | -11 mm |
| Apr | 13.7 °C | +5.7 °C | 32 mm | -7 mm |
| May | 18.5 °C | +1.1 °C | 111 mm | +60 mm |
| Jun | 21.6 °C | -0.1 °C | 91 mm | +28 mm |
| Jul | 24.5 °C | +0.9 °C | 32 mm | -37 mm |
| Aug | 22.8 °C | +1.0 °C | 86 mm | +26 mm |
| Sep | 17.3 °C | +1.9 °C | 12 mm | -40 mm |
| Oct | 9.7 °C | +3.3 °C | 46 mm | -12 mm |
| Nov | 4.3 °C | +6.3 °C | 68 mm | +20 mm |
| Dec | -4.3 °C | +3.0 °C | 52 mm | +5 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 Arsk?
Arsk has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 3.3 °C and it receives 601 mm of precipitation per year.
What is the hottest day ever recorded in Arsk?
The hottest day measured in Arsk between 1940 and 2025 was 20 August 2021, reaching 38.5 °C.
What is the coldest day in Arsk?
The coldest day measured in Arsk between 1940 and 2025 was 31 December 1978, at -46.4 °C.
Does it snow in Arsk?
Yes. Arsk gets on average 155.4 cm of snow per year and has around 177 frost days.
Has the climate of Arsk warmed?
Yes: Arsk warmed by +3.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Arsk?
The wettest day measured in Arsk between 1940 and 2025 was 26 July 1954, with 52 mm of rain in 24 hours.
What was the windiest day in Arsk?
The windiest day measured in Arsk between 1940 and 2025 was 7 February 1995, with winds reaching 54.1 km/h.
What is the warmest month in Arsk?
The warmest month in Arsk is July (19.0 °C on average); the coldest is January (-12.9 °C).
How much does it rain in Arsk?
Arsk receives on average 601 mm of precipitation per year, spread over about 126 rainy days.
Is it sunny in Arsk?
Arsk gets on average 7.3 hours of sunshine per day, roughly 2,665 hours per year over 1940-2025.
What is the biggest single-day snowfall in Arsk?
The heaviest 24-hour snowfall measured in Arsk between 1940 and 2025 was 4 November 2002, with 18.3 cm.
Are there tropical nights in Arsk?
Yes: Arsk has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Arsk?
In Arsk, between 1940 and 2025, the highest apparent temperature reached 38.6 °C on 11 July 1954, and the lowest was -52.1 °C on 31 December 1978.
Compare Arsk with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Arsk