Uglegorsk climate — normals and trends
Uglegorsk (Russia) has a subarctic climate (Dfc) under the Köppen-Geiger classification. Its mean annual temperature is 1.7 °C and it receives 751 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 August (16.5 °C on average) and the coldest is January (-14.3 °C). Rainfall peaks in September.
Uglegorsk averages 174 frost days, 0 hot days (≥ 30 °C) and 127 rainy days per year.
Uglegorsk has warmed by +1.4 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.
The number of frost days there went from about 178 to 170 per year over the period.
The hottest day of the period reached 26.5 °C (on 29 July 2021) and the coldest -28.7 °C (on 8 January 1980).
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
UglegorskSakhalin Oblast
- coords
- 49.08°, 142.07°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
1.7°C
Average daily high
4.1°C
Average daily low
-0.6°C
Annual rainfall
751mm
Sunshine / day
8.2h
Mean relative humidity
80%
Average peak wind
19.5km/h
Seasonal range
30.8°C
Frost days (< 0 °C)
174 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
127 d/yr
Annual snowfall
223.0 cm
Average feels-like high
1.0 °C
Average feels-like low
-4.6 °C
Average peak gust
39.4 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
12.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.30 · 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
26.5 °C
29 July 2021
Coldest day
-28.7 °C
8 January 1980
Wettest day
92 mm
12 August 1985
Windiest day
64.8 km/h
6 February 1969
Strongest gust
135.4 km/h
6 February 1969
Hottest feels-like
29.9 °C
3 August 2025
Coldest feels-like
-35.8 °C
8 January 1980
Snowiest day
26.5 cm
3 March 1947
Sunniest day
15.1 h
3 July 1943
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 | -6.8 °C | +5.0 °C | 67 mm | +28 mm |
| Feb | -5.2 °C | +4.9 °C | 50 mm | +17 mm |
| Mar | -2.5 °C | +1.4 °C | 36 mm | -10 mm |
| Apr | 4.9 °C | +2.0 °C | 57 mm | +3 mm |
| May | 10.0 °C | +2.3 °C | 47 mm | -15 mm |
| Jun | 14.7 °C | +2.5 °C | 76 mm | +26 mm |
| Jul | 20.7 °C | +4.0 °C | 22 mm | -37 mm |
| Aug | 21.3 °C | +2.7 °C | 74 mm | -5 mm |
| Sep | 18.2 °C | +2.7 °C | 81 mm | -15 mm |
| Oct | 7.7 °C | -1.2 °C | 88 mm | -5 mm |
| Nov | 0.6 °C | +0.2 °C | 74 mm | -6 mm |
| Dec | -8.2 °C | -0.4 °C | 59 mm | -3 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 Uglegorsk?
Uglegorsk has a subarctic climate (Köppen Dfc). Over 1940-2025, the average annual temperature is 1.7 °C and it receives 751 mm of precipitation per year.
What is the hottest day ever recorded in Uglegorsk?
The hottest day measured in Uglegorsk between 1940 and 2025 was 29 July 2021, reaching 26.5 °C.
What is the coldest day in Uglegorsk?
The coldest day measured in Uglegorsk between 1940 and 2025 was 8 January 1980, at -28.7 °C.
Does it snow in Uglegorsk?
Yes. Uglegorsk gets on average 223.0 cm of snow per year and has around 174 frost days.
Has the climate of Uglegorsk warmed?
Yes: Uglegorsk warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Uglegorsk?
The wettest day measured in Uglegorsk between 1940 and 2025 was 12 August 1985, with 92 mm of rain in 24 hours.
What was the windiest day in Uglegorsk?
The windiest day measured in Uglegorsk between 1940 and 2025 was 6 February 1969, with winds reaching 64.8 km/h.
What is the warmest month in Uglegorsk?
The warmest month in Uglegorsk is August (16.5 °C on average); the coldest is January (-14.3 °C).
How much does it rain in Uglegorsk?
Uglegorsk receives on average 751 mm of precipitation per year, spread over about 127 rainy days.
Is it sunny in Uglegorsk?
Uglegorsk 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 Uglegorsk?
The heaviest 24-hour snowfall measured in Uglegorsk between 1940 and 2025 was 3 March 1947, with 26.5 cm.
Are there tropical nights in Uglegorsk?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Uglegorsk.
What was the most extreme apparent temperature in Uglegorsk?
In Uglegorsk, between 1940 and 2025, the highest apparent temperature reached 29.9 °C on 3 August 2025, and the lowest was -35.8 °C on 8 January 1980.
Compare Uglegorsk with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Uglegorsk