Climate Insights for Lensk

The climate in Lensk is cold. The average annual temperature is -4°C and approximately 419mm of precipitation falls per year. July is the wettest month, receiving around 65mm of rainfall. Lensk is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, June, August. The coldest months are December, January, February, when temperatures can drop to -30°C. Snowfall occurs from January to December, with around 137cm accumulating over the season.

Lensk has a wide annual temperature range, spanning 54°C from the coldest to warmest months. July is the warmest month, though highs remain moderate at 24°C with a mean of 19°C. December brings the harshest conditions, with lows dropping to -30°C and an average temperature of -26°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 15°C shift in average temperatures.

Lensk is a relatively dry area, receiving approximately 419mm of precipitation annually, which averages out to around 35mm per month. The wettest month is July, averaging 65mm of rainfall. August and June also tend to see above-average precipitation. The driest month is February, with just 15mm. That's 50mm less than July, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Snowfall is a regular feature from January to December, with around 137cm accumulating over the season. December typically sees the most snow at around 20cm.

Lensk is mildly breezy, with an average annual wind speed of 14km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 16km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 13km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.

It is currently spring in Lensk, which began on March 20, 2026. Lensk is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 24°C, while the coldest stretch bottoms out in December near -30°C. Summer is next, beginning on June 21, 2026 — 87 days from now.

The best time to visit Lensk is during June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 56mm per month. By contrast, December can be quite cold with temperatures dropping to -30°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Lensk based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.