Viljandi Weather & Climate: Best Time to Visit

The climate in Viljandi, Viljandimaa, Estonia, is marked by large temperature swings across the seasons, ranging from 23°C (73°F) in July to -1°C (30°F) in February.

The city receives around 774 mm (30 in) of rain/snowfall per year. June is the wettest month and March the driest. Sunshine peaks in July, when the city sees around 10.3 hours of sunshine per day.

Monthly Temperature in Viljandi

In Viljandi, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 23°C (73°F) in July to a very cold -1°C (30°F) in February.

Nighttime temperatures range from 13°C (55°F) in July to -7°C (19°F) in February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Viljandi

On average, Viljandi receives a reasonable amount of rain/snowfall, with an annual precipitation of 774 mm (30 in). The amount of precipitation varies moderately throughout the year. The wettest month, June, sees around 94 mm (3.7 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, March, still receives a respectable 44 mm (1.7 in) of snow/rainfall. For more details, please visit our Viljandi Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Sunshine Hours in Viljandi

In Viljandi, summer days are longer and more sunny, with daily sunshine hours peaking at 10.3 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 0.8 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Pjaernu, Estonia (63 KM, 39 Miles).

Daily hours of sunshine

Data from: Pjaernu, Estonia (63 KM, 39 Miles).

Daily percentage of sunshine

Data from: Pjaernu, Estonia (63 KM, 39 Miles).

Humidity in Viljandi by Month

The city experiences its highest humidity in November, reaching 89%. In May, the humidity drops to its lowest level at 68%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year

Data from: Pjaernu, Estonia (63 KM, 39 Miles).

Viljandi 3-Day Forecast

10-Day Forecast

Select a Month

Check the conditions for any month of the year.

Best Time to Visit Viljandi

The best time to visit Viljandi is during June, July and August, when the weather provides comfortable temperatures between 21°C (69°F) and 23°C (74°F). With rainfall of 83 mm (3.3 in) to 94 mm (3.7 in), you can expect pleasant weather during your visit in these months.

Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.