Onokhoy climate — normals and trends
Onokhoy (Russia) has a dry-winter subarctic climate (Dwc) under the Köppen-Geiger classification. Its mean annual temperature is -1.8 °C and it receives 353 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 (-23.9 °C). Rainfall peaks in July.
Onokhoy averages 226 frost days, 4 hot days (≥ 30 °C) and 73 rainy days per year.
Onokhoy has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The number of frost days there went from about 229 to 223 per year over the period.
The hottest day of the period reached 37.0 °C (on 24 July 1999) and the coldest -45.9 °C (on 30 January 1979).
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
OnokhoyBuryatiya Republic
- coords
- 51.93°, 108.06°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
-1.8°C
Average daily high
4.1°C
Average daily low
-7.7°C
Annual rainfall
353mm
Sunshine / day
9.5h
Mean relative humidity
69%
Average peak wind
13.0km/h
Seasonal range
41.9°C
Frost days (< 0 °C)
226 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
73 d/yr
Annual snowfall
59.3 cm
Average feels-like high
0.6 °C
Average feels-like low
-11.2 °C
Average peak gust
33.4 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
13.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.38 · 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
37.0 °C
24 July 1999
Coldest day
-45.9 °C
30 January 1979
Wettest day
56 mm
26 August 1990
Windiest day
38.6 km/h
26 April 1984
Strongest gust
92.9 km/h
20 April 2016
Hottest feels-like
37.9 °C
24 July 1999
Coldest feels-like
-51.0 °C
2 February 2001
Snowiest day
27.0 cm
19 September 2009
Sunniest day
16.0 h
9 June 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 | -14.3 °C | +3.9 °C | 6 mm | +2 mm |
| Feb | -12.8 °C | +0.1 °C | 7 mm | +3 mm |
| Mar | 0.5 °C | +3.3 °C | 15 mm | +8 mm |
| Apr | 9.9 °C | +3.4 °C | 19 mm | +1 mm |
| May | 17.3 °C | +2.2 °C | 32 mm | -1 mm |
| Jun | 23.4 °C | +1.7 °C | 28 mm | -25 mm |
| Jul | 25.0 °C | +1.4 °C | 25 mm | -48 mm |
| Aug | 21.3 °C | +0.2 °C | 142 mm | +69 mm |
| Sep | 15.7 °C | +1.7 °C | 59 mm | +13 mm |
| Oct | 1.7 °C | -2.9 °C | 29 mm | +9 mm |
| Nov | -4.7 °C | +2.5 °C | 26 mm | +12 mm |
| Dec | -16.3 °C | -0.3 °C | 13 mm | +4 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 Onokhoy?
Onokhoy has a dry-winter subarctic climate (Köppen Dwc). Over 1940-2025, the average annual temperature is -1.8 °C and it receives 353 mm of precipitation per year.
What is the hottest day ever recorded in Onokhoy?
The hottest day measured in Onokhoy between 1940 and 2025 was 24 July 1999, reaching 37.0 °C.
What is the coldest day in Onokhoy?
The coldest day measured in Onokhoy between 1940 and 2025 was 30 January 1979, at -45.9 °C.
Does it snow in Onokhoy?
Yes. Onokhoy gets on average 59.3 cm of snow per year and has around 226 frost days.
Has the climate of Onokhoy warmed?
Yes: Onokhoy warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Onokhoy?
The wettest day measured in Onokhoy between 1940 and 2025 was 26 August 1990, with 56 mm of rain in 24 hours.
What was the windiest day in Onokhoy?
The windiest day measured in Onokhoy between 1940 and 2025 was 26 April 1984, with winds reaching 38.6 km/h.
What is the warmest month in Onokhoy?
The warmest month in Onokhoy is July (18.0 °C on average); the coldest is January (-23.9 °C).
How much does it rain in Onokhoy?
Onokhoy receives on average 353 mm of precipitation per year, spread over about 73 rainy days.
Is it sunny in Onokhoy?
Onokhoy gets on average 9.5 hours of sunshine per day, roughly 3,468 hours per year over 1940-2025.
What is the biggest single-day snowfall in Onokhoy?
The heaviest 24-hour snowfall measured in Onokhoy between 1940 and 2025 was 19 September 2009, with 27.0 cm.
Are there tropical nights in Onokhoy?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Onokhoy.
What was the most extreme apparent temperature in Onokhoy?
In Onokhoy, between 1940 and 2025, the highest apparent temperature reached 37.9 °C on 24 July 1999, and the lowest was -51.0 °C on 2 February 2001.
Compare Onokhoy with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Onokhoy