Sylva climate — normals and trends
Sylva (Russia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 1.9 °C and it receives 684 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 (-14.4 °C). Rainfall peaks in July.
Sylva averages 184 frost days, 2 hot days (≥ 30 °C) and 142 rainy days per year.
Sylva has warmed by +2.6 °C between 1940 and 2025, or +0.30 °C per decade. This trend is statistically significant.
The number of frost days there went from about 195 to 173 per year over the period.
The hottest day of the period reached 36.0 °C (on 30 June 2021) and the coldest -49.1 °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
SylvaPerm Krai
- coords
- 58.03°, 56.77°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
1.9°C
Average daily high
5.5°C
Average daily low
-1.6°C
Annual rainfall
684mm
Sunshine / day
6.9h
Mean relative humidity
78%
Average peak wind
15.1km/h
Seasonal range
32.3°C
Frost days (< 0 °C)
184 d/yr
Hot days (≥ 30 °C)
2 d/yr
Rainy days (≥ 1 mm)
142 d/yr
Annual snowfall
172.4 cm
Average feels-like high
2.3 °C
Average feels-like low
-5.2 °C
Average peak gust
33.7 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
9.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.6 °C
since 1940
+0.3 °C per decade · r² = 0.41 · 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
36.0 °C
30 June 2021
Coldest day
-49.1 °C
31 December 1978
Wettest day
66 mm
27 July 1979
Windiest day
37.4 km/h
20 October 1973
Strongest gust
86.4 km/h
22 May 1980
Hottest feels-like
38.2 °C
29 June 1954
Coldest feels-like
-54.5 °C
31 December 1978
Snowiest day
20.0 cm
28 April 2025
Sunniest day
17.2 h
17 June 1944
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | -4.7 °C | +6.9 °C | 79 mm | +42 mm |
| Feb | -5.8 °C | +3.6 °C | 16 mm | -13 mm |
| Mar | 2.4 °C | +4.1 °C | 28 mm | -9 mm |
| Apr | 8.6 °C | +1.6 °C | 91 mm | +48 mm |
| May | 16.9 °C | +2.1 °C | 77 mm | +16 mm |
| Jun | 21.5 °C | +1.5 °C | 98 mm | +16 mm |
| Jul | 20.8 °C | -1.3 °C | 67 mm | -16 mm |
| Aug | 21.2 °C | +1.7 °C | 72 mm | -4 mm |
| Sep | 14.4 °C | +1.2 °C | 49 mm | -23 mm |
| Oct | 7.6 °C | +3.1 °C | 41 mm | -24 mm |
| Nov | 1.8 °C | +5.6 °C | 95 mm | +43 mm |
| Dec | -7.7 °C | +1.5 °C | 74 mm | +28 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 Sylva?
Sylva has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 1.9 °C and it receives 684 mm of precipitation per year.
What is the hottest day ever recorded in Sylva?
The hottest day measured in Sylva between 1940 and 2025 was 30 June 2021, reaching 36.0 °C.
What is the coldest day in Sylva?
The coldest day measured in Sylva between 1940 and 2025 was 31 December 1978, at -49.1 °C.
Does it snow in Sylva?
Yes. Sylva gets on average 172.4 cm of snow per year and has around 184 frost days.
Has the climate of Sylva warmed?
Yes: Sylva warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sylva?
The wettest day measured in Sylva between 1940 and 2025 was 27 July 1979, with 66 mm of rain in 24 hours.
What was the windiest day in Sylva?
The windiest day measured in Sylva between 1940 and 2025 was 20 October 1973, with winds reaching 37.4 km/h.
What is the warmest month in Sylva?
The warmest month in Sylva is July (17.9 °C on average); the coldest is January (-14.4 °C).
How much does it rain in Sylva?
Sylva receives on average 684 mm of precipitation per year, spread over about 142 rainy days.
Is it sunny in Sylva?
Sylva gets on average 6.9 hours of sunshine per day, roughly 2,519 hours per year over 1940-2025.
What is the biggest single-day snowfall in Sylva?
The heaviest 24-hour snowfall measured in Sylva between 1940 and 2025 was 28 April 2025, with 20.0 cm.
Are there tropical nights in Sylva?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Sylva.
What was the most extreme apparent temperature in Sylva?
In Sylva, between 1940 and 2025, the highest apparent temperature reached 38.2 °C on 29 June 1954, and the lowest was -54.5 °C on 31 December 1978.
Compare Sylva with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sylva