Climate Insights for Ŭndŏk

The climate in Ŭndŏk is cool. The average annual temperature is 8°C and approximately 836mm of precipitation falls per year. August is the wettest month, receiving around 238mm of rainfall. Ŭndŏk is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, December, February, when temperatures can drop to -12°C. Snowfall occurs from January to December, with around 78cm accumulating over the season.

Ŭndŏk has a wide annual temperature range, spanning 37°C from the coldest to warmest months. The warmest month is August, when average highs reach 25°C and the mean temperature sits around 22°C. The coldest month is January, when overnight lows fall to -12°C and the daily average is -8°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between October and November, with a 9°C shift in average temperatures.

Ŭndŏk is a moderately rainy area, receiving approximately 836mm of precipitation annually, which averages out to around 70mm per month. The wettest month is August, averaging 238mm of rainfall. September and May also tend to see above-average precipitation. The driest month is December, with just 13mm. That's 224mm less than August, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Snowfall is a regular feature from January to December, with around 78cm accumulating over the season. March typically sees the most snow at around 21cm.

Ŭndŏk is relatively calm, with an average annual wind speed of 3km/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 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 2km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans.

It is currently spring in Ŭndŏk, which began on March 20, 2026. Ŭndŏk 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 August at around 25°C, while the coldest stretch bottoms out in January near -12°C. Summer is next, beginning on June 21, 2026 — 3 days from now.

The best time to visit Ŭndŏk is during June, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 85mm per month. By contrast, August can be uncomfortably hot with highs reaching 25°C, while January is the coldest period with lows dropping to -12°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 table below shows monthly climate averages for Ŭndŏk 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.