Climate Overview
The climate in Istok is cold. The average annual temperature is 1°C and approximately 412mm of precipitation falls per year. August is the wettest month, receiving around 88mm of rainfall. Istok is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are January, February, December, when temperatures can drop to -20°C. Snowfall occurs from January to December, with around 83cm accumulating over the season.
Temperature
Istok has a wide annual temperature range, spanning 40°C from the coldest to warmest months. August is the warmest month, though highs remain moderate at 20°C with a mean of 17°C. January brings the harshest conditions, with lows dropping to -20°C and an average temperature of -17°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows. The sharpest temperature change occurs between February and March, with a 10°C shift in average temperatures.
Precipitation
Istok is a relatively dry area, receiving approximately 412mm of precipitation annually, which averages out to around 34mm per month. The wettest month is August, averaging 88mm of rainfall. September and July also tend to see above-average precipitation. The driest month is February, with just 6mm. That's 82mm less than August, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Snowfall is a regular feature from January to December, with around 83cm accumulating over the season. November typically sees the most snow at around 21cm.
Wind
Istok is mildly breezy, with an average annual wind speed of 18km/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 22km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in February, 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 7km/h gap between the calmest and windiest months.
Seasons
88 days until Summer
It is currently spring in Istok, which began on March 20, 2026. Istok 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 -20°C. Summer is next, beginning on June 21, 2026 — 88 days from now.
Spring
Temperatures range from -10 to 10°C. Rainfall is relatively light, with around 56mm over the season and a monthly average of 19mm. Winds are moderate at around 18km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 9 to 20°C. Precipitation is moderate at around 196mm for the season, averaging 65mm per month. Winds are moderate at around 17km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -8 to 15°C. Rainfall is relatively light, with around 127mm over the season and a monthly average of 42mm. Expect around 31cm of snow accumulation during this period. Winds are moderate at around 21km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from -20 to -9°C. Precipitation is minimal, with only around 33mm for the entire season. Expect around 32cm of snow accumulation during this period. Winds are moderate at around 16km/h. Heavy layering and insulated outerwear are essential — exposed skin should be minimised outdoors.
Best Time to Visit
The best time to visit Istok is during July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 78mm per month. By contrast, January can be quite cold with temperatures dropping to -20°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.
Monthly Climate Data
The table below shows monthly climate averages for Istok 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.