Lensk climate — normals and trends
Lensk (Russia) has a subarctic climate (Dfc) under the Köppen-Geiger classification. Its mean annual temperature is -5.5 °C and it receives 425 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 (17.8 °C on average) and the coldest is January (-29.0 °C). Rainfall peaks in July.
Lensk averages 232 frost days, 3 hot days (≥ 30 °C) and 104 rainy days per year.
Lensk has warmed by +1.9 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The hottest day of the period reached 35.2 °C (on 20 July 2010) and the coldest -58.8 °C (on 14 December 1959).
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
LenskSakha
- coords
- 60.72°, 114.93°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
-5.5°C
Average daily high
-1.1°C
Average daily low
-10.2°C
Annual rainfall
425mm
Sunshine / day
7.9h
Mean relative humidity
71%
Average peak wind
14.3km/h
Seasonal range
46.8°C
Frost days (< 0 °C)
232 d/yr
Hot days (≥ 30 °C)
3 d/yr
Rainy days (≥ 1 mm)
104 d/yr
Annual snowfall
123.9 cm
Average feels-like high
-5.0 °C
Average feels-like low
-14.2 °C
Average peak gust
33.1 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.18 · 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
35.2 °C
20 July 2010
Coldest day
-58.8 °C
14 December 1959
Wettest day
67 mm
9 August 1948
Windiest day
40.1 km/h
10 May 1980
Strongest gust
102.2 km/h
8 April 2009
Hottest feels-like
37.0 °C
26 June 2008
Coldest feels-like
-63.9 °C
14 December 1959
Snowiest day
17.3 cm
27 September 2021
Sunniest day
18.5 h
24 June 1943
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 | -20.9 °C | +4.9 °C | 20 mm | +5 mm |
| Feb | -18.5 °C | +2.7 °C | 16 mm | +6 mm |
| Mar | -8.9 °C | +0.1 °C | 29 mm | +13 mm |
| Apr | 3.2 °C | +1.9 °C | 52 mm | +28 mm |
| May | 11.7 °C | +0.9 °C | 55 mm | +15 mm |
| Jun | 20.1 °C | 0.0 °C | 45 mm | -12 mm |
| Jul | 22.9 °C | 0.0 °C | 75 mm | +8 mm |
| Aug | 21.7 °C | +2.3 °C | 26 mm | -40 mm |
| Sep | 10.5 °C | +0.1 °C | 94 mm | +46 mm |
| Oct | -1.7 °C | -0.3 °C | 25 mm | -12 mm |
| Nov | -15.6 °C | +0.4 °C | 46 mm | +18 mm |
| Dec | -28.0 °C | -3.3 °C | 21 mm | +2 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 Lensk?
Lensk has a subarctic climate (Köppen Dfc). Over 1940-2025, the average annual temperature is -5.5 °C and it receives 425 mm of precipitation per year.
What is the hottest day ever recorded in Lensk?
The hottest day measured in Lensk between 1940 and 2025 was 20 July 2010, reaching 35.2 °C.
What is the coldest day in Lensk?
The coldest day measured in Lensk between 1940 and 2025 was 14 December 1959, at -58.8 °C.
Does it snow in Lensk?
Yes. Lensk gets on average 123.9 cm of snow per year and has around 232 frost days.
Has the climate of Lensk warmed?
Yes: Lensk warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Lensk?
The wettest day measured in Lensk between 1940 and 2025 was 9 August 1948, with 67 mm of rain in 24 hours.
What was the windiest day in Lensk?
The windiest day measured in Lensk between 1940 and 2025 was 10 May 1980, with winds reaching 40.1 km/h.
What is the warmest month in Lensk?
The warmest month in Lensk is July (17.8 °C on average); the coldest is January (-29.0 °C).
How much does it rain in Lensk?
Lensk receives on average 425 mm of precipitation per year, spread over about 104 rainy days.
Is it sunny in Lensk?
Lensk gets on average 7.9 hours of sunshine per day, roughly 2,884 hours per year over 1940-2025.
What is the biggest single-day snowfall in Lensk?
The heaviest 24-hour snowfall measured in Lensk between 1940 and 2025 was 27 September 2021, with 17.3 cm.
Are there tropical nights in Lensk?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Lensk.
What was the most extreme apparent temperature in Lensk?
In Lensk, between 1940 and 2025, the highest apparent temperature reached 37.0 °C on 26 June 2008, and the lowest was -63.9 °C on 14 December 1959.
Compare Lensk with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Lensk