Kosh-Agach climate — normals and trends
Kosh-Agach (Russia) has a dry-winter subarctic climate (Dwc) under the Köppen-Geiger classification. Its mean annual temperature is -5.7 °C and it receives 347 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 (11.7 °C on average) and the coldest is January (-24.2 °C). Rainfall peaks in July.
Kosh-Agach averages 261 frost days, 0 hot days (≥ 30 °C) and 92 rainy days per year.
Kosh-Agach has warmed by +1.2 °C between 1940 and 2025, or +0.15 °C per decade. This trend is statistically significant.
The number of frost days there went from about 267 to 255 per year over the period.
The hottest day of the period reached 27.6 °C (on 14 July 2004) and the coldest -46.1 °C (on 26 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
Kosh-AgachAltai Republic
- coords
- 49.99°, 88.68°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
-5.7°C
Average daily high
0.2°C
Average daily low
-11.5°C
Annual rainfall
347mm
Sunshine / day
10.3h
Mean relative humidity
63%
Average peak wind
10.3km/h
Seasonal range
35.9°C
Frost days (< 0 °C)
261 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
92 d/yr
Annual snowfall
95.9 cm
Average feels-like high
-3.5 °C
Average feels-like low
-15.4 °C
Average peak gust
27.4 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
15.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.2 °C per decade · r² = 0.19 · 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
27.6 °C
14 July 2004
Coldest day
-46.1 °C
26 January 1969
Wettest day
30 mm
29 July 2007
Windiest day
35.7 km/h
31 August 1976
Strongest gust
94.7 km/h
24 April 1984
Hottest feels-like
27.0 °C
14 July 2004
Coldest feels-like
-50.5 °C
26 January 1969
Snowiest day
11.6 cm
22 September 1968
Sunniest day
16.0 h
11 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 | -16.4 °C | +2.0 °C | 6 mm | +3 mm |
| Feb | -13.6 °C | +0.2 °C | 4 mm | -0 mm |
| Mar | -5.8 °C | +0.5 °C | 13 mm | +3 mm |
| Apr | 5.7 °C | +3.6 °C | 35 mm | +9 mm |
| May | 10.8 °C | +1.6 °C | 63 mm | +24 mm |
| Jun | 19.5 °C | +3.9 °C | 39 mm | -22 mm |
| Jul | 20.1 °C | +2.7 °C | 49 mm | -23 mm |
| Aug | 15.8 °C | +0.1 °C | 56 mm | -3 mm |
| Sep | 9.8 °C | +0.4 °C | 60 mm | +26 mm |
| Oct | -2.2 °C | -2.5 °C | 19 mm | -0 mm |
| Nov | -7.4 °C | +3.6 °C | 19 mm | +6 mm |
| Dec | -15.5 °C | +2.4 °C | 10 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 Kosh-Agach?
Kosh-Agach has a dry-winter subarctic climate (Köppen Dwc). Over 1940-2025, the average annual temperature is -5.7 °C and it receives 347 mm of precipitation per year.
What is the hottest day ever recorded in Kosh-Agach?
The hottest day measured in Kosh-Agach between 1940 and 2025 was 14 July 2004, reaching 27.6 °C.
What is the coldest day in Kosh-Agach?
The coldest day measured in Kosh-Agach between 1940 and 2025 was 26 January 1969, at -46.1 °C.
Does it snow in Kosh-Agach?
Yes. Kosh-Agach gets on average 95.9 cm of snow per year and has around 261 frost days.
Has the climate of Kosh-Agach warmed?
Yes: Kosh-Agach warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Kosh-Agach?
The wettest day measured in Kosh-Agach between 1940 and 2025 was 29 July 2007, with 30 mm of rain in 24 hours.
What was the windiest day in Kosh-Agach?
The windiest day measured in Kosh-Agach between 1940 and 2025 was 31 August 1976, with winds reaching 35.7 km/h.
What is the warmest month in Kosh-Agach?
The warmest month in Kosh-Agach is July (11.7 °C on average); the coldest is January (-24.2 °C).
How much does it rain in Kosh-Agach?
Kosh-Agach receives on average 347 mm of precipitation per year, spread over about 92 rainy days.
Is it sunny in Kosh-Agach?
Kosh-Agach gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.
What is the biggest single-day snowfall in Kosh-Agach?
The heaviest 24-hour snowfall measured in Kosh-Agach between 1940 and 2025 was 22 September 1968, with 11.6 cm.
Are there tropical nights in Kosh-Agach?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Kosh-Agach.
What was the most extreme apparent temperature in Kosh-Agach?
In Kosh-Agach, between 1940 and 2025, the highest apparent temperature reached 27.0 °C on 14 July 2004, and the lowest was -50.5 °C on 26 January 1969.
Compare Kosh-Agach with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Kosh-Agach