Climate Insights for Hyesan-dong

The climate in Hyesan-dong is cool. The average annual temperature is 3°C and approximately 834mm of precipitation falls per year. August is the wettest month, receiving around 175mm of rainfall. Hyesan-dong 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, December, February, when temperatures can drop to -23°C. Snowfall occurs from January to December, with around 113cm accumulating over the season.

Hyesan-dong has a wide annual temperature range, spanning 48°C from the coldest to warmest months. July is the warmest month, though highs remain moderate at 25°C with a mean of 20°C. January brings the harshest conditions, with lows dropping to -23°C and an average temperature of -16°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between November and December, with a 10°C shift in average temperatures.

Hyesan-dong is a moderately rainy area, receiving approximately 834mm of precipitation annually, which averages out to around 70mm per month. The wettest month is August, averaging 175mm of rainfall. July and June also tend to see above-average precipitation. The driest month is January, with just 12mm. That's 163mm 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 113cm accumulating over the season. March typically sees the most snow at around 22cm.

Hyesan-dong is mildly breezy, with an average annual wind speed of 13km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 17km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 7km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 14km/h in winter, 17km/h in spring, 11km/h in summer, 12km/h in autumn.

It is currently spring in Hyesan-dong, which began on March 20, 2026. Hyesan-dong 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 25°C, while the coldest stretch bottoms out in January near -23°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The table below shows monthly climate averages for Hyesan-dong 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.