Polyarny climate — normals and trends
Polyarny (Russia) has a subarctic climate (Dfc) under the Köppen-Geiger classification. Its mean annual temperature is 0.3 °C and it receives 553 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 (12.6 °C on average) and the coldest is January (-10.6 °C). Rainfall peaks in July.
Polyarny averages 203 frost days, 0 hot days (≥ 30 °C) and 139 rainy days per year.
Polyarny has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.
The number of frost days there went from about 218 to 188 per year over the period.
The hottest day of the period reached 34.0 °C (on 9 July 1972) and the coldest -39.9 °C (on 27 January 1999).
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
PolyarnyMurmansk
- coords
- 69.20°, 33.44°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
0.3°C
Average daily high
3.1°C
Average daily low
-2.7°C
Annual rainfall
553mm
Sunshine / day
6.2h
Mean relative humidity
80%
Average peak wind
17.8km/h
Seasonal range
23.2°C
Frost days (< 0 °C)
203 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
139 d/yr
Annual snowfall
168.6 cm
Average feels-like high
-0.8 °C
Average feels-like low
-6.9 °C
Average peak gust
36.6 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
7.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.30 · 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
34.0 °C
9 July 1972
Coldest day
-39.9 °C
27 January 1999
Wettest day
53 mm
21 June 1977
Windiest day
54.3 km/h
16 October 1985
Strongest gust
113.4 km/h
16 October 1985
Hottest feels-like
33.5 °C
9 July 1972
Coldest feels-like
-45.6 °C
27 January 1999
Snowiest day
28.4 cm
21 June 1977
Sunniest day
23.2 h
22 June 2023
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | -6.2 °C | +1.6 °C | 42 mm | +14 mm |
| Feb | -1.0 °C | +6.7 °C | 25 mm | +1 mm |
| Mar | -0.2 °C | +3.2 °C | 39 mm | +9 mm |
| Apr | 1.7 °C | 0.0 °C | 88 mm | +52 mm |
| May | 9.5 °C | +2.7 °C | 71 mm | +19 mm |
| Jun | 12.5 °C | +0.1 °C | 68 mm | +4 mm |
| Jul | 17.4 °C | +1.3 °C | 93 mm | +26 mm |
| Aug | 17.7 °C | +3.2 °C | 113 mm | +48 mm |
| Sep | 14.8 °C | +5.1 °C | 87 mm | +23 mm |
| Oct | 6.2 °C | +3.2 °C | 48 mm | -7 mm |
| Nov | -1.6 °C | +0.7 °C | 52 mm | +16 mm |
| Dec | -3.1 °C | +2.4 °C | 66 mm | +35 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 Polyarny?
Polyarny has a subarctic climate (Köppen Dfc). Over 1940-2025, the average annual temperature is 0.3 °C and it receives 553 mm of precipitation per year.
What is the hottest day ever recorded in Polyarny?
The hottest day measured in Polyarny between 1940 and 2025 was 9 July 1972, reaching 34.0 °C.
What is the coldest day in Polyarny?
The coldest day measured in Polyarny between 1940 and 2025 was 27 January 1999, at -39.9 °C.
Does it snow in Polyarny?
Yes. Polyarny gets on average 168.6 cm of snow per year and has around 203 frost days.
Has the climate of Polyarny warmed?
Yes: Polyarny warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Polyarny?
The wettest day measured in Polyarny between 1940 and 2025 was 21 June 1977, with 53 mm of rain in 24 hours.
What was the windiest day in Polyarny?
The windiest day measured in Polyarny between 1940 and 2025 was 16 October 1985, with winds reaching 54.3 km/h.
What is the warmest month in Polyarny?
The warmest month in Polyarny is July (12.6 °C on average); the coldest is January (-10.6 °C).
How much does it rain in Polyarny?
Polyarny receives on average 553 mm of precipitation per year, spread over about 139 rainy days.
Is it sunny in Polyarny?
Polyarny gets on average 6.2 hours of sunshine per day, roughly 2,263 hours per year over 1940-2025.
What is the biggest single-day snowfall in Polyarny?
The heaviest 24-hour snowfall measured in Polyarny between 1940 and 2025 was 21 June 1977, with 28.4 cm.
Are there tropical nights in Polyarny?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Polyarny.
What was the most extreme apparent temperature in Polyarny?
In Polyarny, between 1940 and 2025, the highest apparent temperature reached 33.5 °C on 9 July 1972, and the lowest was -45.6 °C on 27 January 1999.
Compare Polyarny with another city
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Nearby cities
The climate around Polyarny