Climate Insights for Hwasŏng

The climate in Hwasŏng is cool. The average annual temperature is 6°C and approximately 1114mm of precipitation falls per year. August is the wettest month, receiving around 268mm of rainfall. Hwasŏng 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, December, when temperatures can drop to -17°C. Hwasŏng experiences heavy snowfall, typically from January through December.

Hwasŏng has a wide annual temperature range, spanning 41°C from the coldest to warmest months. July is the warmest month, though highs remain moderate at 24°C with a mean of 20°C. January brings the harshest conditions, with lows dropping to -17°C and an average temperature of -11°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between February and March, with a 9°C shift in average temperatures.

Hwasŏng is a moderately rainy area, receiving approximately 1114mm of precipitation annually, which averages out to around 93mm per month. The wettest month is August, averaging 268mm of rainfall. September and July also tend to see above-average precipitation. The driest month is January, with just 28mm. That's 240mm 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. Hwasŏng receives heavy snowfall, accumulating around 209cm annually from January through December. The snowiest month is December, with approximately 50cm. Winter travel should account for significant snow cover.

Hwasŏng is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

It is currently spring in Hwasŏng, which began on March 20, 2026. Hwasŏng 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 July at around 24°C, while the coldest stretch bottoms out in January near -17°C. Summer is next, beginning on June 21, 2026 — 3 days from now.

The table below shows monthly climate averages for Hwasŏng 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.