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.
Hwaseong Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Hwaseong.
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Climate overview of Hwaseong
Temperatures in Hwaseong, Gyeonggi-do, South Korea, vary greatly throughout the year. August is the hottest month at 29°C (84°F), while January is the coldest at 3°C (37°F).
With around 1216 mm (48 in) of annual rain/snowfall, Hwaseong has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has a distinct dry season from December to February, with warm summers and cold winters. The wettest month is July. Sunshine peaks in May, when the city sees around 8.1 hours of sunshine per day.
Hwaseong Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Hwaseong - and find the best time to visit.
Monthly Temperature in Hwaseong
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
Rainfall in Hwaseong
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. 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
Sunshine Hours in Hwaseong
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
Data from: Incheon, South Korea (30 KM, 19 Miles).
Daily hours of sunshine
Data from: Incheon, South Korea (30 KM, 19 Miles).
Humidity in Hwaseong by Month
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
Data from: Incheon, South Korea (30 KM, 19 Miles).
Best Time to Visit Hwaseong
For comfortable weather, consider visiting Hwaseong in May and October. Conditions are usually least favourable in January, February, March and July.
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
cold
Apr
good
May
excellent
Jun
very good
Jul
very wet
Aug
mixed
Sep
very good
Oct
excellent
Nov
mixed
Dec
mixed
- Best overall: May and October
- Warmest weather: July and August
- Most sunshine: May
- Wettest months: June, July, August and September, when rainfall is highest.
- Seasonal pattern: A distinct dry season from December to February, with warm summers and cold winters
- Coldest conditions: January, with freezing nights around -4°C (25°F).
Frequently asked questions about the climate in Hwaseong
What is the best time to visit Hwaseong?
May and October typically offer the most optimal weather in Hwaseong. In contrast, January, February, March and July tend to have less optimal conditions. Hwaseong has a distinct dry season from December to February, with warm summers and cold winters.
What temperatures can I expect in Hwaseong?
Daytime highs range from 3°C (37°F) in January to 29°C (84°F) in August. Nighttime lows range from -4°C (25°F) to 23°C (73°F). Temperatures vary considerably through the year.
How much rain does Hwaseong get?
Annual rainfall is around 1216 mm (48 in). July is the wettest month with 287 mm (11 in), while January is the driest with 25 mm (1 in).
How sunny is Hwaseong?
Hwaseong receives around 2,397 hours of sunshine per year. May is the sunniest month with 242 hours, while July is the cloudiest with just 161 hours. Overall, Hwaseong enjoys abundant sunshine.
Hwaseong 3-Day Forecast
Hwaseong on the map
Hwaseong is highlighted - select any city to see its climate.
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