Climate Insights for Hwasŏng

The climate in Hwasŏng is cool. The average annual temperature is 8°C and approximately 1008mm of precipitation falls per year. Hwasŏng receives a notable amount of rainfall throughout the year, including during its driest month. 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 -15°C. Snowfall occurs from January to December, with around 160cm accumulating over the season.

Hwasŏng has a wide annual temperature range, spanning 41°C from the coldest to warmest months. The warmest month is July, when average highs reach 26°C and the mean temperature sits around 22°C. The coldest month is January, when overnight lows fall to -15°C and the daily average is -9°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between February and March, with a 8°C shift in average temperatures.

Hwasŏng is a moderately rainy area, receiving approximately 1008mm of precipitation annually, which averages out to around 84mm per month. The wettest month is August, averaging 260mm of rainfall. July and September also tend to see above-average precipitation. The driest month is February, with just 31mm. That's 230mm 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 160cm accumulating over the season. December typically sees the most snow at around 43cm.

Hwasŏng is relatively calm, with an average annual wind speed of 6km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is May, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.

It is currently summer in Hwasŏng, which began on June 21, 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 26°C, while the coldest stretch bottoms out in January near -15°C. Autumn is next, beginning on September 23, 2026 (7 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.