Sudislavl' climate — normals and trends
Sudislavl' (Russia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 3.4 °C and it receives 689 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 (17.9 °C on average) and the coldest is January (-11.3 °C). Rainfall peaks in July.
Sudislavl' averages 174 frost days, 2 hot days (≥ 30 °C) and 141 rainy days per year.
Sudislavl' 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 184 to 164 per year over the period.
The hottest day of the period reached 35.7 °C (on 29 July 2010) and the coldest -45.1 °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
Sudislavl'Kostroma Oblast
- coords
- 57.88°, 41.71°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
3.4°C
Average daily high
6.9°C
Average daily low
-0.3°C
Annual rainfall
689mm
Sunshine / day
6.7h
Mean relative humidity
78%
Average peak wind
17.1km/h
Seasonal range
29.2°C
Frost days (< 0 °C)
174 d/yr
Hot days (≥ 30 °C)
2 d/yr
Rainy days (≥ 1 mm)
141 d/yr
Annual snowfall
160.3 cm
Average feels-like high
3.6 °C
Average feels-like low
-4.0 °C
Average peak gust
35.6 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
9.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.7 °C
since 1940
+0.3 °C per decade · r² = 0.43 · 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
35.7 °C
29 July 2010
Coldest day
-45.1 °C
31 December 1978
Wettest day
52 mm
24 August 1998
Windiest day
44.8 km/h
13 November 1983
Strongest gust
92.2 km/h
27 August 1986
Hottest feels-like
38.2 °C
7 August 2010
Coldest feels-like
-50.3 °C
17 January 1940
Snowiest day
15.4 cm
8 November 2016
Sunniest day
17.2 h
20 June 1950
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 | -1.0 °C | +7.7 °C | 54 mm | +14 mm |
| Feb | -3.9 °C | +3.0 °C | 13 mm | -21 mm |
| Mar | 5.4 °C | +6.0 °C | 42 mm | +4 mm |
| Apr | 10.3 °C | +2.2 °C | 55 mm | +12 mm |
| May | 16.9 °C | +1.2 °C | 97 mm | +34 mm |
| Jun | 19.6 °C | -0.5 °C | 81 mm | +5 mm |
| Jul | 25.1 °C | +2.8 °C | 58 mm | -25 mm |
| Aug | 20.2 °C | -0.1 °C | 116 mm | +42 mm |
| Sep | 16.9 °C | +3.0 °C | 28 mm | -40 mm |
| Oct | 7.6 °C | +1.6 °C | 49 mm | -17 mm |
| Nov | 3.1 °C | +4.4 °C | 60 mm | +7 mm |
| Dec | -1.9 °C | +4.1 °C | 48 mm | -1 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 Sudislavl'?
Sudislavl' has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 3.4 °C and it receives 689 mm of precipitation per year.
What is the hottest day ever recorded in Sudislavl'?
The hottest day measured in Sudislavl' between 1940 and 2025 was 29 July 2010, reaching 35.7 °C.
What is the coldest day in Sudislavl'?
The coldest day measured in Sudislavl' between 1940 and 2025 was 31 December 1978, at -45.1 °C.
Does it snow in Sudislavl'?
Yes. Sudislavl' gets on average 160.3 cm of snow per year and has around 174 frost days.
Has the climate of Sudislavl' warmed?
Yes: Sudislavl' warmed by +2.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sudislavl'?
The wettest day measured in Sudislavl' between 1940 and 2025 was 24 August 1998, with 52 mm of rain in 24 hours.
What was the windiest day in Sudislavl'?
The windiest day measured in Sudislavl' between 1940 and 2025 was 13 November 1983, with winds reaching 44.8 km/h.
What is the warmest month in Sudislavl'?
The warmest month in Sudislavl' is July (17.9 °C on average); the coldest is January (-11.3 °C).
How much does it rain in Sudislavl'?
Sudislavl' receives on average 689 mm of precipitation per year, spread over about 141 rainy days.
Is it sunny in Sudislavl'?
Sudislavl' gets on average 6.7 hours of sunshine per day, roughly 2,446 hours per year over 1940-2025.
What is the biggest single-day snowfall in Sudislavl'?
The heaviest 24-hour snowfall measured in Sudislavl' between 1940 and 2025 was 8 November 2016, with 15.4 cm.
Are there tropical nights in Sudislavl'?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Sudislavl'.
What was the most extreme apparent temperature in Sudislavl'?
In Sudislavl', between 1940 and 2025, the highest apparent temperature reached 38.2 °C on 7 August 2010, and the lowest was -50.3 °C on 17 January 1940.
Compare Sudislavl' with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sudislavl'