ClimateForecastDecemberJanuary >>

Viljandi Climate by Month

The climate in Viljandi is marked by big temperature swings throughout the year. Temperatures range from warm during the warmest months to very cold in the cooler months. It receives a moderate amount of precipitation. Let’s explore the climate details in depth to provide you with a complete overview.

Average day and night temperature

In Viljandi, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 23°C in July to a very cold -1°C in February. Nighttime temperatures can drop, with averages reaching -7°C in February.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

On average, Viljandi receives a reasonable amount of rain/snowfall, with an annual precipitation of 774 mm. The amount of precipitation varies moderately throughout the year. The wettest month, June, sees around 94 mm of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, March, still receives a respectable 44 mm of snow/rainfall.

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

Sunshine over the year

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.

Monthly hours of sunshine

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

Daily hours of sunshine

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

The best time of year to visit Viljandi in Estonia

During the months of June, July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is winter in Viljandi?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Viljandi?
    July has an average maximum temperature of 23°C and is the warmest month of the year.
  • Which is the coldest month in Viljandi?
    The coldest month is February with an average maximum temperature of -1°C.
  • Which is the wettest month in Viljandi?
    June tops the wettest month list with 94 mm of rainfall.
  • Which is the driest month in Viljandi?
    March is the driest month with 44 mm of precipitation.
  • Which is the sunniest month in Viljandi?
    July is the sunniest month with an average of 310 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Viljandi

    Thu   Dec 12
    -1°C | -4°C
    NW 22 km/h
    1 mm
    partly cloudy and slight snow

    partly cloudy and slight snow

    Fri   Dec 13
    1°C | -6°C
    W 14 km/h
    2.1 mm
    broken clouds and  chance of slight snow

    broken clouds and chance of slight snow

    Sat   Dec 14
    2°C | -2°C
    SW 18 km/h
    13 mm
    overcast and heavy sleet

    overcast and heavy sleet