Sernur climate — normals and trends
Sernur (Russia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 2.9 °C and it receives 611 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 (18.4 °C on average) and the coldest is January (-13.2 °C). Rainfall peaks in July.
Sernur averages 180 frost days, 4 hot days (≥ 30 °C) and 130 rainy days per year.
Sernur has warmed by +3.0 °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 192 to 168 per year over the period.
The hottest day of the period reached 37.6 °C (on 31 July 2010) and the coldest -48.2 °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
SernurMariy-El Republic
- coords
- 56.94°, 49.15°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
2.9°C
Average daily high
6.5°C
Average daily low
-1.0°C
Annual rainfall
611mm
Sunshine / day
7.0h
Mean relative humidity
77%
Average peak wind
20.6km/h
Seasonal range
31.6°C
Frost days (< 0 °C)
180 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
130 d/yr
Annual snowfall
146.4 cm
Average feels-like high
2.8 °C
Average feels-like low
-5.2 °C
Average peak gust
36.4 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
10.4 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
37.6 °C
31 July 2010
Coldest day
-48.2 °C
31 December 1978
Wettest day
54 mm
31 May 1943
Windiest day
55.6 km/h
22 January 1957
Strongest gust
92.5 km/h
20 October 1973
Hottest feels-like
38.0 °C
10 July 1954
Coldest feels-like
-53.8 °C
31 December 1978
Snowiest day
17.9 cm
20 April 2017
Sunniest day
17.0 h
23 June 1941
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 | -3.1 °C | +7.3 °C | 53 mm | +18 mm |
| Feb | -5.6 °C | +3.6 °C | 9 mm | -21 mm |
| Mar | 4.5 °C | +6.9 °C | 34 mm | -0 mm |
| Apr | 12.3 °C | +4.6 °C | 41 mm | +1 mm |
| May | 17.9 °C | +1.4 °C | 106 mm | +48 mm |
| Jun | 21.0 °C | 0.0 °C | 151 mm | +83 mm |
| Jul | 23.4 °C | +0.4 °C | 42 mm | -36 mm |
| Aug | 21.8 °C | +0.8 °C | 114 mm | +50 mm |
| Sep | 16.1 °C | +1.6 °C | 24 mm | -32 mm |
| Oct | 9.1 °C | +3.4 °C | 36 mm | -23 mm |
| Nov | 3.3 °C | +5.7 °C | 77 mm | +31 mm |
| Dec | -5.0 °C | +2.5 °C | 48 mm | +6 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 Sernur?
Sernur has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 2.9 °C and it receives 611 mm of precipitation per year.
What is the hottest day ever recorded in Sernur?
The hottest day measured in Sernur between 1940 and 2025 was 31 July 2010, reaching 37.6 °C.
What is the coldest day in Sernur?
The coldest day measured in Sernur between 1940 and 2025 was 31 December 1978, at -48.2 °C.
Does it snow in Sernur?
Yes. Sernur gets on average 146.4 cm of snow per year and has around 180 frost days.
Has the climate of Sernur warmed?
Yes: Sernur warmed by +3.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sernur?
The wettest day measured in Sernur between 1940 and 2025 was 31 May 1943, with 54 mm of rain in 24 hours.
What was the windiest day in Sernur?
The windiest day measured in Sernur between 1940 and 2025 was 22 January 1957, with winds reaching 55.6 km/h.
What is the warmest month in Sernur?
The warmest month in Sernur is July (18.4 °C on average); the coldest is January (-13.2 °C).
How much does it rain in Sernur?
Sernur receives on average 611 mm of precipitation per year, spread over about 130 rainy days.
Is it sunny in Sernur?
Sernur gets on average 7.0 hours of sunshine per day, roughly 2,555 hours per year over 1940-2025.
What is the biggest single-day snowfall in Sernur?
The heaviest 24-hour snowfall measured in Sernur between 1940 and 2025 was 20 April 2017, with 17.9 cm.
Are there tropical nights in Sernur?
Yes: Sernur has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Sernur?
In Sernur, between 1940 and 2025, the highest apparent temperature reached 38.0 °C on 10 July 1954, and the lowest was -53.8 °C on 31 December 1978.
Compare Sernur with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sernur