Mud festival in South Korea
In July, the peaceful seaside town of Boryeong turned into a chaos of mud for 9 days. We recommend putting this festival on your bucket list.
Yangsan Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Yangsan.
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Climate overview of Yangsan
Yangsan, South Korea, sees big temperature differences between seasons, with August peaking at 30°C (86°F) and January dropping to 8°C (46°F).
Rain/snowfall is high, totalling around 1362 mm (54 in) per year. July is the wettest month and December the driest. The city also experiences distinct dry (December to January) and wet (June to September) seasons, with very warm summers and cold winters. May is the sunniest month, averaging 7.6 hours of sunshine per day.
Yangsan Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Yangsan - and find the best time to visit.
Monthly Temperature in Yangsan
Visitors to Yangsan can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a very warm 30°C (86°F) in August, the warmest time of the year, to a chilly 8°C (46°F) during cooler months like January.
At night, you can expect temperatures ranging from 23°C (73°F) in August to around -2°C (28°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Yangsan
Yangsan is known for its substantial rain/snowfall, with annual precipitation reaching 1362 mm (54 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, July it receives heavy rainfall, averaging 243 mm (9.6 in) of precipitation, recorded across 14 rainy days. In contrast, the driest month December brings less rainfall, with 29 mm (1.1 in) over 5 rainy days. For more details, please visit our Yangsan Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Yangsan
While the amount of sunshine in Yangsan varies throughout the year, all seasons offer their own charm. Enjoy up to 7.6 hours of daily sun in May, and experience slightly darker atmosphere in September, with about 5.7 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Busan, South Korea (19 KM, 12 Miles).
Daily hours of sunshine
Data from: Busan, South Korea (19 KM, 12 Miles).
Daily percentage of sunshine
Data from: Busan, South Korea (19 KM, 12 Miles).
Humidity in Yangsan by Month
The relative humidity is high throughout the year in Yangsan.
The city experiences its highest humidity in July, reaching 84%. In January, the humidity drops to its lowest level at 46%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Busan, South Korea (19 KM, 12 Miles).
Best Time to Visit Yangsan
The most comfortable overall weather for exploring Yangsan is usually found in October. Conditions are generally least comfortable in January, February and August.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
cold
Feb
cold
Mar
good
Apr
good
May
very good
Jun
very good
Jul
mixed
Aug
very wet
Sep
very good
Oct
excellent
Nov
good
Dec
mixed
- Best overall: October
- Warmest weather: July and August
- Most sunshine: May
- Fewest rainy days: January, October, November and December
- Wettest months: April, May, June, July, August and September, when rainfall is highest.
- Seasonal pattern: Distinct dry (December to January) and wet (June to September) seasons, with very warm summers and cold winters
- Coldest conditions: January, with freezing nights around -2°C (28°F).
Frequently asked questions about the climate in Yangsan
What is the best time to visit Yangsan?
October typically offers the most optimal weather in Yangsan. In contrast, January, February and August tend to have less optimal conditions. Yangsan has distinct dry (December to January) and wet (June to September) seasons, with very warm summers and cold winters.
What temperatures can I expect in Yangsan?
Daytime highs range from 8°C (46°F) in January to 30°C (86°F) in August. Nighttime lows range from -2°C (28°F) to 23°C (73°F). Temperatures vary considerably through the year.
How much rain does Yangsan get?
Annual rainfall is around 1362 mm (54 in). July is the wettest month with 243 mm (9.6 in), while December is the driest with 29 mm (1.1 in).
How sunny is Yangsan?
Yangsan receives around 2,361 hours of sunshine per year. May is the sunniest month with 227 hours, while September is the cloudiest with just 172 hours. Overall, Yangsan enjoys abundant sunshine.
Yangsan 3-Day Forecast
Yangsan on the map
Yangsan is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
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