Climate Overview
The climate in Hyesan-dong is cool. The average annual temperature is 3°C and approximately 898mm of precipitation falls per year. August is the wettest month, receiving around 199mm 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 163cm accumulating over the season.
Temperature
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.
Precipitation
Hyesan-dong is a moderately rainy area, receiving approximately 898mm of precipitation annually, which averages out to around 75mm per month. The wettest month is August, averaging 199mm of rainfall. July and June also tend to see above-average precipitation. The driest month is January, with just 16mm. That's 183mm 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 163cm accumulating over the season. March typically sees the most snow at around 32cm.
Wind
Hyesan-dong is relatively calm, with an average annual wind speed of 7km/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 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/h gap between the calmest and windiest months.
Seasons
7 days until Autumn
It is currently summer in Hyesan-dong, which began on June 21, 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. Autumn is next, beginning on September 23, 2026 (7 days from now).
Spring
Temperatures range from -8 to 17°C. Precipitation is moderate at around 205mm for the season, averaging 68mm per month. Winds are generally light, averaging 9km/h. Light layers work well as temperatures warm through the season. It is a great time to be outdoors.
Summer
Temperatures range from 11 to 25°C. Rainfall is heavy, totalling around 466mm across the season with a monthly average of 155mm. Winds are generally light, averaging 6km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -9 to 20°C. Precipitation is moderate at around 167mm for the season, averaging 56mm per month. Expect around 36cm of snow accumulation during this period. Winds are generally light, averaging 7km/h. Layered clothing works best as temperatures gradually cool. Enjoy the crisp air and changing scenery.
Winter
Temperatures range from -23 to -6°C. Rainfall is relatively light, with around 60mm over the season and a monthly average of 20mm. Expect around 59cm of snow accumulation during this period. Winds are generally light, averaging 7km/h. Heavy layering and insulated outerwear are essential. Exposed skin should be minimised outdoors.
Monthly Climate Data
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.
