Climate Insights for Vostok

The climate in Vostok is cold. The average annual temperature is 2°C and approximately 802mm of precipitation falls per year. August is the wettest month, receiving around 117mm of rainfall. Vostok 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 -18°C. Snowfall occurs from January to December, with around 197cm accumulating over the season.

Vostok has a wide annual temperature range, spanning 36°C from the coldest to warmest months. August is the warmest month, though highs remain moderate at 18°C with a mean of 16°C. January brings the harshest conditions, with lows dropping to -18°C and an average temperature of -14°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows. The sharpest temperature change occurs between November and December, with a 9°C shift in average temperatures.

Vostok is a moderately rainy area, receiving approximately 802mm of precipitation annually, which averages out to around 67mm per month. The wettest month is August, averaging 117mm of rainfall. October and May also tend to see above-average precipitation. The driest month is February, with just 28mm. That's 89mm less than August, 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 197cm accumulating over the season. April typically sees the most snow at around 36cm.

Vostok is mildly breezy, with an average annual wind speed of 19km/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 23km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 15km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 8km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 20km/h in winter, 18km/h in spring, 16km/h in summer, 21km/h in autumn.

It is currently spring in Vostok, which began on March 20, 2026. Vostok 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 18°C, while the coldest stretch bottoms out in January near -18°C. Summer is next, beginning on June 21, 2026 — 84 days from now.

The best time to visit Vostok is during July, when the weather is most comfortable for travellers. During these months, average temperatures hover around 15°C with modest rainfall averaging 68mm per month. By contrast, August can be uncomfortably hot with highs reaching 18°C, while January is the coldest period with lows dropping to -18°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 Vostok 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.