Isakogorka climate — normals and trends
Isakogorka (Russia) has a subarctic climate (Dfc) under the Köppen-Geiger classification. Its mean annual temperature is 1.3 °C and it receives 604 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 (16.3 °C on average) and the coldest is January (-12.8 °C). Rainfall peaks in August.
Isakogorka averages 196 frost days, 1 hot days (≥ 30 °C) and 132 rainy days per year.
Isakogorka has warmed by +2.4 °C between 1940 and 2025, or +0.28 °C per decade. This trend is statistically significant.
The number of frost days there went from about 209 to 183 per year over the period.
The hottest day of the period reached 34.7 °C (on 12 July 1972) and the coldest -43.3 °C (on 11 January 1987).
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
IsakogorkaArkhangelskaya oblast
- coords
- 64.45°, 40.65°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
1.3°C
Average daily high
4.6°C
Average daily low
-2.3°C
Annual rainfall
604mm
Sunshine / day
6.6h
Mean relative humidity
80%
Average peak wind
15.3km/h
Seasonal range
29.1°C
Frost days (< 0 °C)
196 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
132 d/yr
Annual snowfall
151.4 cm
Average feels-like high
1.2 °C
Average feels-like low
-6.1 °C
Average peak gust
33.1 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
8.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °C
since 1940
+0.3 °C per decade · r² = 0.26 · 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
12 July 1972
Coldest day
-43.3 °C
11 January 1987
Wettest day
53 mm
21 July 1956
Windiest day
41.2 km/h
17 October 1985
Strongest gust
88.2 km/h
11 January 1971
Hottest feels-like
36.7 °C
29 July 2010
Coldest feels-like
-48.4 °C
11 January 1987
Snowiest day
26.2 cm
12 May 2000
Sunniest day
20.0 h
15 June 2017
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 | -5.1 °C | +5.1 °C | 69 mm | +38 mm |
| Feb | -4.8 °C | +4.0 °C | 9 mm | -16 mm |
| Mar | 0.9 °C | +3.7 °C | 54 mm | +23 mm |
| Apr | 4.2 °C | +0.3 °C | 25 mm | -12 mm |
| May | 14.0 °C | +3.0 °C | 49 mm | -1 mm |
| Jun | 15.5 °C | -1.9 °C | 80 mm | +11 mm |
| Jul | 21.2 °C | +0.7 °C | 61 mm | -10 mm |
| Aug | 20.0 °C | +2.3 °C | 46 mm | -32 mm |
| Sep | 16.4 °C | +4.7 °C | 41 mm | -26 mm |
| Oct | 6.7 °C | +2.7 °C | 61 mm | +1 mm |
| Nov | 1.0 °C | +3.6 °C | 73 mm | +26 mm |
| Dec | -3.9 °C | +3.0 °C | 60 mm | +21 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 Isakogorka?
Isakogorka has a subarctic climate (Köppen Dfc). Over 1940-2025, the average annual temperature is 1.3 °C and it receives 604 mm of precipitation per year.
What is the hottest day ever recorded in Isakogorka?
The hottest day measured in Isakogorka between 1940 and 2025 was 12 July 1972, reaching 34.7 °C.
What is the coldest day in Isakogorka?
The coldest day measured in Isakogorka between 1940 and 2025 was 11 January 1987, at -43.3 °C.
Does it snow in Isakogorka?
Yes. Isakogorka gets on average 151.4 cm of snow per year and has around 196 frost days.
Has the climate of Isakogorka warmed?
Yes: Isakogorka warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Isakogorka?
The wettest day measured in Isakogorka between 1940 and 2025 was 21 July 1956, with 53 mm of rain in 24 hours.
What was the windiest day in Isakogorka?
The windiest day measured in Isakogorka between 1940 and 2025 was 17 October 1985, with winds reaching 41.2 km/h.
What is the warmest month in Isakogorka?
The warmest month in Isakogorka is July (16.3 °C on average); the coldest is January (-12.8 °C).
How much does it rain in Isakogorka?
Isakogorka receives on average 604 mm of precipitation per year, spread over about 132 rainy days.
Is it sunny in Isakogorka?
Isakogorka gets on average 6.6 hours of sunshine per day, roughly 2,409 hours per year over 1940-2025.
What is the biggest single-day snowfall in Isakogorka?
The heaviest 24-hour snowfall measured in Isakogorka between 1940 and 2025 was 12 May 2000, with 26.2 cm.
Are there tropical nights in Isakogorka?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Isakogorka.
What was the most extreme apparent temperature in Isakogorka?
In Isakogorka, between 1940 and 2025, the highest apparent temperature reached 36.7 °C on 29 July 2010, and the lowest was -48.4 °C on 11 January 1987.
Compare Isakogorka with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Isakogorka