Vilyuysk climate — normals and trends
Vilyuysk (Russia) has a dry-winter subarctic climate (Dwc) under the Köppen-Geiger classification. Its mean annual temperature is -8.5 °C and it receives 264 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 (18.2 °C on average) and the coldest is January (-35.7 °C). Rainfall peaks in July.
Vilyuysk averages 239 frost days, 4 hot days (≥ 30 °C) and 64 rainy days per year.
Vilyuysk has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The hottest day of the period reached 36.2 °C (on 23 July 1947) and the coldest -59.0 °C (on 18 December 1993).
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
VilyuyskSakha
- coords
- 63.75°, 121.63°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
-8.5°C
Average daily high
-4.2°C
Average daily low
-13.2°C
Annual rainfall
264mm
Sunshine / day
8.2h
Mean relative humidity
70%
Average peak wind
12.7km/h
Seasonal range
53.9°C
Frost days (< 0 °C)
239 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
64 d/yr
Annual snowfall
67.5 cm
Average feels-like high
-8.1 °C
Average feels-like low
-17.3 °C
Average peak gust
27.4 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
9.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.17 · 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
36.2 °C
23 July 1947
Coldest day
-59.0 °C
18 December 1993
Wettest day
52 mm
24 July 1963
Windiest day
37.9 km/h
17 May 1990
Strongest gust
91.1 km/h
17 May 1990
Hottest feels-like
36.5 °C
16 July 2011
Coldest feels-like
-64.0 °C
18 December 1993
Snowiest day
14.6 cm
18 September 1985
Sunniest day
20.0 h
27 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 | -29.0 °C | +3.6 °C | 16 mm | +10 mm |
| Feb | -22.5 °C | +4.8 °C | 11 mm | +7 mm |
| Mar | -13.6 °C | -0.2 °C | 18 mm | +10 mm |
| Apr | 2.2 °C | +3.1 °C | 30 mm | +14 mm |
| May | 13.4 °C | +3.6 °C | 50 mm | +24 mm |
| Jun | 18.8 °C | -1.1 °C | 31 mm | -8 mm |
| Jul | 23.9 °C | +0.8 °C | 91 mm | +44 mm |
| Aug | 20.5 °C | +1.4 °C | 37 mm | -8 mm |
| Sep | 8.9 °C | -0.6 °C | 41 mm | +8 mm |
| Oct | -3.3 °C | +0.8 °C | 12 mm | -11 mm |
| Nov | -22.2 °C | -0.1 °C | 14 mm | +2 mm |
| Dec | -37.6 °C | -6.5 °C | 0 mm | -7 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 Vilyuysk?
Vilyuysk has a dry-winter subarctic climate (Köppen Dwc). Over 1940-2025, the average annual temperature is -8.5 °C and it receives 264 mm of precipitation per year.
What is the hottest day ever recorded in Vilyuysk?
The hottest day measured in Vilyuysk between 1940 and 2025 was 23 July 1947, reaching 36.2 °C.
What is the coldest day in Vilyuysk?
The coldest day measured in Vilyuysk between 1940 and 2025 was 18 December 1993, at -59.0 °C.
Does it snow in Vilyuysk?
Yes. Vilyuysk gets on average 67.5 cm of snow per year and has around 239 frost days.
Has the climate of Vilyuysk warmed?
Yes: Vilyuysk warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Vilyuysk?
The wettest day measured in Vilyuysk between 1940 and 2025 was 24 July 1963, with 52 mm of rain in 24 hours.
What was the windiest day in Vilyuysk?
The windiest day measured in Vilyuysk between 1940 and 2025 was 17 May 1990, with winds reaching 37.9 km/h.
What is the warmest month in Vilyuysk?
The warmest month in Vilyuysk is July (18.2 °C on average); the coldest is January (-35.7 °C).
How much does it rain in Vilyuysk?
Vilyuysk receives on average 264 mm of precipitation per year, spread over about 64 rainy days.
Is it sunny in Vilyuysk?
Vilyuysk gets on average 8.2 hours of sunshine per day, roughly 2,993 hours per year over 1940-2025.
What is the biggest single-day snowfall in Vilyuysk?
The heaviest 24-hour snowfall measured in Vilyuysk between 1940 and 2025 was 18 September 1985, with 14.6 cm.
Are there tropical nights in Vilyuysk?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Vilyuysk.
What was the most extreme apparent temperature in Vilyuysk?
In Vilyuysk, between 1940 and 2025, the highest apparent temperature reached 36.5 °C on 16 July 2011, and the lowest was -64.0 °C on 18 December 1993.
Compare Vilyuysk with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Vilyuysk