Yeosu Weather & Climate: Best Time to Visit

Depending on the time of the year, temperatures range from comfortable to chilly in Yeosu. On average, daytime temperatures range from a comfortable 29°C (84°F) in August to a chilly 7°C (45°F) in January.

Nighttime temperatures range from 25°C (77°F) in August to 1°C (34°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Yeosu has a relatively rain/snowy climate with high precipitation levels, averaging 1495 mm (59 in) of rain/snowfall annually. The seasons in Yeosu bring significant changes in precipitation. The wettest month, July, receives heavy rainfall, with an average of 272 mm (11 in) of precipitation. This rainfall is distributed across 15 rainy days.

In contrast, the driest month, December, experiences much less rainfall, totaling 32 mm (1.3 in) over 5 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Yeosu Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Yeosu enjoys sunny spells year-round. May sees up to 7.1 hours of daily sunshine, perfect for a sunny trip. July, the least sunny month, still offers a generous 5.0 hours of sun despite this cloudier time of the year.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The relative humidity is high throughout the year in Yeosu.

The city experiences its highest humidity in July, reaching 85%. In January, the humidity drops to its lowest level at 59%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year