Sewon Weather & Climate: Best Time to Visit

With minimal seasonal shifts, Sewon experiences a constant climate year-round. Typically, average maximum daytime temperatures range from a very warm 31°C (88°F) in May to a comfortable 29°C (84°F) in the coolest month, August.

Nights vary from 24°C (75°F) in May to around 22°C (72°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Sewon has a notably wet climate with abundant precipitation, recording 2319 mm (91 in) of rainfall per year. The climate in Sewon shows significant variation throughout the year. Expect heavy rainfall in December, the wettest month, with an average of 363 mm (14 in) of precipitation over 17 rainy days.

In contrast, the driest month August offers drier and sunnier days, with around 29 mm (1.1 in) of rainfall over 4 rainy days. For more details, please visit our Sewon Precipitation page.

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

The average number of days each month with precipitation

The relative humidity is high throughout the year in Sewon.

The city experiences its highest humidity in January, reaching 82%. In September, the humidity drops to its lowest level at 68%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year