Onguday climate — normals and trends
Onguday (Russia) has a dry-winter subarctic climate (Dwc) under the Köppen-Geiger classification. Its mean annual temperature is -1.4 °C and it receives 891 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 (14.0 °C on average) and the coldest is January (-18.1 °C). Rainfall peaks in July.
Onguday averages 234 frost days, 0 hot days (≥ 30 °C) and 141 rainy days per year.
Onguday has warmed by +2.1 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The number of frost days there went from about 240 to 228 per year over the period.
The hottest day of the period reached 32.0 °C (on 1 August 2008) and the coldest -45.2 °C (on 19 December 1966).
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
OngudayAltai Republic
- coords
- 50.75°, 86.13°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
-1.4°C
Average daily high
4.5°C
Average daily low
-7.0°C
Annual rainfall
891mm
Sunshine / day
9.2h
Mean relative humidity
71%
Average peak wind
8.7km/h
Seasonal range
32.1°C
Frost days (< 0 °C)
234 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
141 d/yr
Annual snowfall
167.9 cm
Average feels-like high
1.7 °C
Average feels-like low
-10.5 °C
Average peak gust
32.0 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
13.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.3 °C per decade · r² = 0.39 · 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
32.0 °C
1 August 2008
Coldest day
-45.2 °C
19 December 1966
Wettest day
51 mm
21 July 2011
Windiest day
27.2 km/h
4 March 1948
Strongest gust
102.6 km/h
10 May 1986
Hottest feels-like
33.1 °C
23 July 1953
Coldest feels-like
-50.2 °C
19 December 1966
Snowiest day
27.2 cm
21 May 2010
Sunniest day
15.9 h
16 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 | -7.6 °C | +5.3 °C | 35 mm | +20 mm |
| Feb | -6.1 °C | +2.7 °C | 6 mm | -11 mm |
| Mar | 0.3 °C | +1.6 °C | 44 mm | +15 mm |
| Apr | 12.1 °C | +5.6 °C | 80 mm | +19 mm |
| May | 16.0 °C | +2.8 °C | 128 mm | +27 mm |
| Jun | 21.9 °C | +3.6 °C | 138 mm | -6 mm |
| Jul | 22.1 °C | +2.2 °C | 122 mm | -45 mm |
| Aug | 17.7 °C | -0.6 °C | 210 mm | +65 mm |
| Sep | 13.8 °C | +0.7 °C | 202 mm | +115 mm |
| Oct | 3.6 °C | -1.2 °C | 47 mm | -13 mm |
| Nov | -1.1 °C | +4.3 °C | 33 mm | -8 mm |
| Dec | -8.1 °C | +3.7 °C | 38 mm | +13 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 Onguday?
Onguday has a dry-winter subarctic climate (Köppen Dwc). Over 1940-2025, the average annual temperature is -1.4 °C and it receives 891 mm of precipitation per year.
What is the hottest day ever recorded in Onguday?
The hottest day measured in Onguday between 1940 and 2025 was 1 August 2008, reaching 32.0 °C.
What is the coldest day in Onguday?
The coldest day measured in Onguday between 1940 and 2025 was 19 December 1966, at -45.2 °C.
Does it snow in Onguday?
Yes. Onguday gets on average 167.9 cm of snow per year and has around 234 frost days.
Has the climate of Onguday warmed?
Yes: Onguday warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Onguday?
The wettest day measured in Onguday between 1940 and 2025 was 21 July 2011, with 51 mm of rain in 24 hours.
What was the windiest day in Onguday?
The windiest day measured in Onguday between 1940 and 2025 was 4 March 1948, with winds reaching 27.2 km/h.
What is the warmest month in Onguday?
The warmest month in Onguday is July (14.0 °C on average); the coldest is January (-18.1 °C).
How much does it rain in Onguday?
Onguday receives on average 891 mm of precipitation per year, spread over about 141 rainy days.
Is it sunny in Onguday?
Onguday gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.
What is the biggest single-day snowfall in Onguday?
The heaviest 24-hour snowfall measured in Onguday between 1940 and 2025 was 21 May 2010, with 27.2 cm.
Are there tropical nights in Onguday?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Onguday.
What was the most extreme apparent temperature in Onguday?
In Onguday, between 1940 and 2025, the highest apparent temperature reached 33.1 °C on 23 July 1953, and the lowest was -50.2 °C on 19 December 1966.
Compare Onguday with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Onguday