Hwaseong Weather & Climate: Best Time to Visit

The climate in Hwaseong is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a comfortable 29°C (84°F) in August. In January, the coolest month of the year, temperatures drop to a chilly 3°C (37°F).

At night, temperatures range from around 23°C (73°F) in August to -4°C (25°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Hwaseong has a notably wet climate with abundant precipitation, recording 1216 mm (48 in) of rain/snowfall per year. Hwaseong can be quite wet during July, receiving approximately 287 mm (11 in) of precipitation over 15 rainy days.

In contrast, during the driest month (January), you will experience much drier conditions, with 25 mm (1 in) of precipitation spread across 8 snowy/rainy days days. For more details, please visit our Hwaseong Precipitation page.

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

The average number of days each month with precipitation

Hwaseong experiences moderate variation in sunshine hours across the seasons. With 8.1 hours daily sunshine in May, it dips to 5.4 hours in July, offering a balanced mix of sunny and overcast days.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Hwaseong.

The city experiences its highest humidity in July, reaching 82%. In January, the humidity drops to its lowest level at 60%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year