Icheon Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Icheon.
Climate overview of Icheon
Icheon, Gyeonggi-do, South Korea, is famous for its ceramics and hot springs. The climate here is characterized by significant temperature swings throughout the year, ranging from very warm summers to cold winters. It also has a wet climate with substantial precipitation. Let’s explore the climate details to provide you with a complete overview.
Icheon Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Icheon - and find the best time to visit.
Monthly Temperature in Icheon
In Icheon, temperatures differ significantly between summer and winter months. Average maximum daytime temperatures range from a very warm 31°C (88°F) in August, the warmest time of the year, to a chilly 4°C (39°F) during cooler months like January.
At night, you can expect temperatures ranging from 22°C (72°F) in August to around -7°C (19°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Icheon
Icheon experiences significant rain/snowfall throughout the year, averaging 1282 mm (50 in) of precipitation annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, July it receives heavy rainfall, averaging 314 mm (12 in) of precipitation, recorded across 15 rainy days. In contrast, the driest month January brings less snow/rainfall, with 24 mm (0.9 in) over 7 snowy/rainy days. For more details, please visit our Icheon 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 Icheon
While the amount of sunshine in Icheon varies throughout the year, all seasons offer their own charm. Enjoy up to 7.5 hours of daily sun in May, and experience slightly darker atmosphere in July, with about 5.0 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Icheon by Month
The relative humidity is high throughout the year in Icheon.
The city experiences its highest humidity in July, reaching 77%. In April, the humidity drops to its lowest level at 57%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Icheon
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: October
- Warmest weather: July and August
- Most sunshine: April and May
- Wettest months: June, July, August and September, when rainfall is highest.
- Seasonal pattern: A distinct dry season from December to February, with very warm summers and cold winters
- Coldest conditions: January, with freezing nights around -7°C (19°F).
Frequently asked questions about the climate in Icheon
What is the best time to visit Icheon?
October typically offers the most optimal weather in Icheon. In contrast, January, February, July and August tend to have less optimal conditions. Icheon has a distinct dry season from December to February, with very warm summers and cold winters.
What temperatures can I expect in Icheon?
Daytime highs range from 4°C (39°F) in January to 31°C (88°F) in August. Nighttime lows range from -7°C (19°F) to 22°C (72°F). Temperatures vary considerably through the year.
How much rain does Icheon get?
Annual rainfall is around 1282 mm (50 in). July is the wettest month with 314 mm (12 in), while January is the driest with 24 mm (0.9 in).
How sunny is Icheon?
Icheon receives around 2,155 hours of sunshine per year. May is the sunniest month with 225 hours, while July is the cloudiest with just 151 hours. Overall, Icheon enjoys abundant sunshine.
Icheon 3-Day Forecast
Icheon on the map
Icheon is highlighted - select any city to see its climate.
Popular this month
Where to go in August - average daytime high across popular destinations.
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