Climate Insights for Yuzhno-Sakhalinsk

The climate in Yuzhno-Sakhalinsk is cool. The average annual temperature is 2°C and approximately 907mm of precipitation falls per year. Yuzhno-Sakhalinsk receives a notable amount of rainfall throughout the year, including during its driest month. Yuzhno-Sakhalinsk is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, February, December, when temperatures can drop to -17°C. Yuzhno-Sakhalinsk experiences heavy snowfall, typically from January through December.

Yuzhno-Sakhalinsk has a wide annual temperature range, spanning 37°C from the coldest to warmest months. August is the warmest month, though highs remain moderate at 20°C with a mean of 16°C. January brings the harshest conditions, with lows dropping to -17°C and an average temperature of -13°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between October and November, with a 9°C shift in average temperatures.

Yuzhno-Sakhalinsk is a moderately rainy area, receiving approximately 907mm of precipitation annually, which averages out to around 76mm per month. The wettest month is August, averaging 110mm of rainfall. October and July also tend to see above-average precipitation. The driest month is February, with just 44mm. That's 66mm less than August, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Yuzhno-Sakhalinsk receives heavy snowfall, accumulating around 313cm annually from January through December. The snowiest month is March, with approximately 63cm. Winter travel should account for significant snow cover.

Yuzhno-Sakhalinsk is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.

It is currently summer in Yuzhno-Sakhalinsk, which began on June 21, 2026. Yuzhno-Sakhalinsk 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 August at around 20°C, while the coldest stretch bottoms out in January near -17°C. Autumn is next, beginning on September 23, 2026 — 84 days from now.

The best time to visit Yuzhno-Sakhalinsk is during July, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 93mm per month. By contrast, August can be uncomfortably hot with highs reaching 20°C, while January is the coldest period with lows dropping to -17°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Yuzhno-Sakhalinsk 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.