Climate Overview
The climate in Sortavala is cool. The average annual temperature is 5°C and approximately 863mm of precipitation falls per year. Sortavala receives a notable amount of rainfall throughout the year, including during its driest month. Sortavala is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, February, March, when temperatures can drop to -9°C. Sortavala experiences heavy snowfall, typically from January through December.
Temperature
Temperatures in Sortavala vary considerably across the year, with a 29°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 20°C with a mean of 17°C. The coldest month is January, when overnight lows fall to -9°C and the daily average is -7°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows. The sharpest temperature change occurs between April and May, with a 7°C shift in average temperatures.
Precipitation
Sortavala is a moderately rainy area, receiving approximately 863mm of precipitation annually, which averages out to around 72mm per month. The wettest month is July, averaging 109mm of rainfall. August and December also tend to see above-average precipitation. The driest month is May, with just 37mm. That's 72mm 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. Sortavala receives heavy snowfall, accumulating around 302cm annually from January through December. The snowiest month is December, with approximately 71cm. Winter travel should account for significant snow cover.
Wind
Sortavala is relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 3km/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.
Seasons
89 days until Autumn
It is currently summer in Sortavala, which began on June 21, 2026. Sortavala 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 20°C, while the coldest stretch bottoms out in January near -9°C. Autumn is next, beginning on September 23, 2026 — 89 days from now.
Spring
Temperatures range from -5 to 13°C. Rainfall is relatively light, with around 142mm over the season and a monthly average of 47mm. Winds are generally light, averaging 4km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 10 to 20°C. Precipitation is moderate at around 269mm for the season, averaging 90mm per month. Winds are generally light, averaging 3km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -1 to 14°C. Precipitation is moderate at around 227mm for the season, averaging 76mm per month. Expect around 42cm of snow accumulation during this period. Winds are generally light, averaging 4km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -9 to 0°C. Precipitation is moderate at around 226mm for the season, averaging 75mm per month. Expect around 191cm of snow accumulation during this period. Winds are generally light, averaging 4km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Monthly Climate Data
The table below shows monthly climate averages for Sortavala 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.
