Climate Insights for Viljandi

The climate in Viljandi is cool. The average annual temperature is 7°C and approximately 767 mm of precipitation falls per year. Viljandi receives a notable amount of rainfall throughout the year, including during its driest month. Viljandi 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 -5°C. Snowfall occurs from January to December, with around 142cm accumulating over the season.The climate in Viljandi is cool. The average annual temperature is 45°F and approximately 30.2 in of precipitation falls per year. Viljandi receives a notable amount of rainfall throughout the year, including during its driest month. Viljandi 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 22°F. Snowfall occurs from January to December, with around 56in accumulating over the season.

Temperatures in Viljandi vary considerably across the year, with a 27°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 22°C with a mean of 18°C. The coldest month is January, when overnight lows fall to -5°C and the daily average is -3°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between September and October, with a 6°C shift in average temperatures.Temperatures in Viljandi vary considerably across the year, with a 49°F difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 71°F with a mean of 64°F. The coldest month is January, when overnight lows fall to 22°F and the daily average is 26°F. Daily temperature variation is modest, with an average difference of 13°F between highs and lows. The sharpest temperature change occurs between September and October, with a 11°F shift in average temperatures.

Viljandi is a relatively dry area, receiving approximately 767 mm of precipitation annually, which averages out to around 64 mm per month. The wettest month is August, averaging 102 mm of rainfall. July and June also tend to see above-average precipitation. The driest month is March, with just 40 mm. That's 62 mm 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 142cm accumulating over the season. January typically sees the most snow at around 40cm.Viljandi is a relatively dry area, receiving approximately 30.2 in of precipitation annually, which averages out to around 2.5 in per month. The wettest month is August, averaging 4 in of rainfall. July and June also tend to see above-average precipitation. The driest month is March, with just 1.6 in. That's 2.4 in 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 56in accumulating over the season. January typically sees the most snow at around 16in.

Viljandi is mildly breezy, with an average annual wind speed of 14km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 16km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 12km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h 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 16km/h in winter, 14km/h in spring, 12km/h in summer, 15km/h in autumn.Viljandi is moderately windy, with an average annual wind speed of 9mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is January, averaging 10mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 8mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2mph 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 10mph in winter, 8mph in spring, 8mph in summer, 9mph in autumn.

The best time to visit Viljandi is during June and July, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 90 mm per month. By contrast, January can be quite cold with temperatures dropping to -5°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 best time to visit Viljandi is during June and July, when the weather is most comfortable for travellers. During these months, average temperatures hover around 63°F with modest rainfall averaging 3.5 in per month. By contrast, January can be quite cold with temperatures dropping to 22°F. 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 Viljandi 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.The table below shows monthly climate averages for Viljandi based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in inches (in) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.