Sayanogorsk climate — normals and trends
Sayanogorsk (Russia) has a subarctic climate (Dfc) under the Köppen-Geiger classification. Its mean annual temperature is 1.1 °C and it receives 765 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 (18.0 °C on average) and the coldest is January (-17.0 °C). Rainfall peaks in July.
Sayanogorsk averages 203 frost days, 3 hot days (≥ 30 °C) and 138 rainy days per year.
Sayanogorsk has warmed by +1.9 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The number of frost days there went from about 211 to 195 per year over the period.
The hottest day of the period reached 34.7 °C (on 15 July 1992) and the coldest -43.9 °C (on 27 January 1969).
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
SayanogorskKhakasiya Republic
- coords
- 53.10°, 91.41°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
1.1°C
Average daily high
6.3°C
Average daily low
-4.0°C
Annual rainfall
765mm
Sunshine / day
8.6h
Mean relative humidity
72%
Average peak wind
11.3km/h
Seasonal range
35.0°C
Frost days (< 0 °C)
203 d/yr
Hot days (≥ 30 °C)
3 d/yr
Rainy days (≥ 1 mm)
138 d/yr
Annual snowfall
131.4 cm
Average feels-like high
3.6 °C
Average feels-like low
-7.3 °C
Average peak gust
34.0 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
12.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.34 · 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
34.7 °C
15 July 1992
Coldest day
-43.9 °C
27 January 1969
Wettest day
68 mm
19 July 1941
Windiest day
36.2 km/h
23 March 1999
Strongest gust
109.4 km/h
5 January 1979
Hottest feels-like
38.0 °C
8 July 2005
Coldest feels-like
-48.7 °C
27 January 1969
Snowiest day
19.4 cm
15 April 1995
Sunniest day
16.0 h
30 May 1940
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 | -7.3 °C | +4.7 °C | 21 mm | +5 mm |
| Feb | -5.2 °C | +3.1 °C | 18 mm | +2 mm |
| Mar | 2.8 °C | +3.1 °C | 18 mm | -6 mm |
| Apr | 13.8 °C | +5.5 °C | 74 mm | +20 mm |
| May | 16.8 °C | +1.1 °C | 125 mm | +34 mm |
| Jun | 24.8 °C | +3.6 °C | 107 mm | -4 mm |
| Jul | 23.6 °C | +0.6 °C | 127 mm | -3 mm |
| Aug | 20.3 °C | -0.5 °C | 182 mm | +60 mm |
| Sep | 16.7 °C | +1.8 °C | 99 mm | +12 mm |
| Oct | 4.4 °C | -2.2 °C | 22 mm | -29 mm |
| Nov | 1.0 °C | +4.8 °C | 42 mm | +6 mm |
| Dec | -7.1 °C | +3.4 °C | 29 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 Sayanogorsk?
Sayanogorsk has a subarctic climate (Köppen Dfc). Over 1940-2025, the average annual temperature is 1.1 °C and it receives 765 mm of precipitation per year.
What is the hottest day ever recorded in Sayanogorsk?
The hottest day measured in Sayanogorsk between 1940 and 2025 was 15 July 1992, reaching 34.7 °C.
What is the coldest day in Sayanogorsk?
The coldest day measured in Sayanogorsk between 1940 and 2025 was 27 January 1969, at -43.9 °C.
Does it snow in Sayanogorsk?
Yes. Sayanogorsk gets on average 131.4 cm of snow per year and has around 203 frost days.
Has the climate of Sayanogorsk warmed?
Yes: Sayanogorsk warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sayanogorsk?
The wettest day measured in Sayanogorsk between 1940 and 2025 was 19 July 1941, with 68 mm of rain in 24 hours.
What was the windiest day in Sayanogorsk?
The windiest day measured in Sayanogorsk between 1940 and 2025 was 23 March 1999, with winds reaching 36.2 km/h.
What is the warmest month in Sayanogorsk?
The warmest month in Sayanogorsk is July (18.0 °C on average); the coldest is January (-17.0 °C).
How much does it rain in Sayanogorsk?
Sayanogorsk receives on average 765 mm of precipitation per year, spread over about 138 rainy days.
Is it sunny in Sayanogorsk?
Sayanogorsk gets on average 8.6 hours of sunshine per day, roughly 3,139 hours per year over 1940-2025.
What is the biggest single-day snowfall in Sayanogorsk?
The heaviest 24-hour snowfall measured in Sayanogorsk between 1940 and 2025 was 15 April 1995, with 19.4 cm.
Are there tropical nights in Sayanogorsk?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Sayanogorsk.
What was the most extreme apparent temperature in Sayanogorsk?
In Sayanogorsk, between 1940 and 2025, the highest apparent temperature reached 38.0 °C on 8 July 2005, and the lowest was -48.7 °C on 27 January 1969.
Compare Sayanogorsk with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sayanogorsk