Climate Overview
The climate in Goseong is temperate. The average annual temperature is 15°C and approximately 1293mm of precipitation falls per year. September is the wettest month, receiving around 218mm of rainfall. Goseong 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 -2°C.
Temperature
Temperatures in Goseong vary considerably across the year, with a 33°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 31°C and the mean temperature sits around 28°C. The coldest month is January, when overnight lows fall to -2°C and the daily average is 2°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between November and December, with a 7°C shift in average temperatures.
Precipitation
Goseong is a fairly wet location, receiving approximately 1293mm of precipitation annually, which averages out to around 108mm per month. The wettest month is September, averaging 218mm of rainfall. July and August also tend to see above-average precipitation. The driest month is December, with just 24mm. That's 193mm less than September, 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.
Wind
Goseong is relatively calm, with an average annual wind speed of 10km/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 11km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.
Seasons
7 days until Autumn
It is currently summer in Goseong, which began on June 21, 2026. Goseong 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 31°C, while the coldest stretch bottoms out in January near -2°C. Autumn is next, beginning on September 23, 2026 (7 days from now).
Spring
Temperatures range from 7 to 23°C. Precipitation is moderate at around 286mm for the season, averaging 95mm per month. Winds are generally light, averaging 11km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 21 to 31°C. Rainfall is heavy, totalling around 548mm across the season with a monthly average of 183mm. Winds are generally light, averaging 10km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 7 to 26°C. Rainfall is heavy, totalling around 363mm across the season with a monthly average of 121mm. Winds are generally light, averaging 10km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -2 to 9°C. Rainfall is relatively light, with around 96mm over the season and a monthly average of 32mm. Winds are generally light, averaging 10km/h. A warm coat and layers are recommended, especially for early mornings and evenings.
Monthly Climate Data
The table below shows monthly climate averages for Goseong 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. 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.
