ClimateForecastDecemberJanuary >>

Wonju Climate by Month

The temperature in Wonju can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and cold during the cooler months. It also experiences much rain/snowfall throughout the year. Now, let’s break down all the climate details for a clearer picture.

Average day and night temperature

Visitors to Wonju can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 30°C in August. In January, the coolest month of the year, temperatures drop to a chilly 3°C. At night, expect cooler temperatures, averaging -8°C during this month.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Wonju is known for its substantial rain/snowfall, with annual precipitation reaching 1266 mm. Wonju can be quite wet during July, receiving approximately 299 mm of precipitation over 16 rainy days.

In contrast January, experiences much drier conditions, with 27 mm of snowfall, spread across 8 snowy days.

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

Sunshine over the year

Wonju experiences moderate variation in sunshine hours across the seasons. With 7.5 hours daily sunshine in May, it dips to 5.0 hours in July, offering a balanced mix of sunny and overcast days.

Monthly hours of sunshine

Daily hours of sunshine

The best time of year to visit Wonju in South Korea

During the months of May and September 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 summer in Wonju?
    The hottest season / summer takes place in June, July, August and September.
  • Which months have the greatest rainfall in Wonju?
    Most rainfall (rainy season) is seen in July and August.
  • Which is the warmest month in Wonju?
    August has an average maximum temperature of 30°C and is the warmest month of the year.
  • Which is the coldest month in Wonju?
    The coldest month is January with an average maximum temperature of 3°C.
  • Which is the wettest month in Wonju?
    July tops the wettest month list with 299 mm of rainfall.
  • Which is the driest month in Wonju?
    January is the driest month with 27 mm of precipitation.
  • Which is the sunniest month in Wonju?
    May is the sunniest month with an average of 225 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 Wonju

    Fri   Dec 13
    2°C | -6°C
    W 11 km/h
    overcast and no rain

    overcast and no rain

    Sat   Dec 14
    1°C | -7°C
    W 14 km/h
    clear and no rain

    clear and no rain

    Sun   Dec 15
    4°C | -7°C
    W 18 km/h
    partly cloudy and no rain

    partly cloudy and no rain