Climate Insights for Biysk

The climate in Biysk is cool. The average annual temperature is 4°C and approximately 612mm of precipitation falls per year. July is the wettest month, receiving around 85mm of rainfall. Biysk 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 January, February, December, when temperatures can drop to -20°C. Snowfall occurs from January to December, with around 186cm accumulating over the season.

Biysk has a wide annual temperature range, spanning 46°C from the coldest to warmest months. The warmest month is July, when average highs reach 26°C and the mean temperature sits around 21°C. January brings the harshest conditions, with lows dropping to -20°C and an average temperature of -16°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 11°C shift in average temperatures.

Biysk is a relatively dry area, receiving approximately 612mm of precipitation annually, which averages out to around 51mm per month. The wettest month is July, averaging 85mm of rainfall. October and May also tend to see above-average precipitation. The driest month is February, with just 21mm. That's 64mm 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 186cm accumulating over the season. November typically sees the most snow at around 45cm.

Biysk 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 May, averaging 3km/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. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.

It is currently summer in Biysk, which began on June 21, 2026. Biysk 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 26°C, while the coldest stretch bottoms out in January near -20°C. Autumn is next, beginning on September 23, 2026 — 91 days from now.

The best time to visit Biysk is during June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 66mm per month. By contrast, January can be quite cold with temperatures dropping to -20°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 Biysk 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.