Daejeon Weather & Climate: Best Time to Visit
Daejeon, Chungcheongbuk-Do, South Korea, experiences significant temperature variation throughout the year. Summers bring daytime highs of 31°C (88°F) in August, while winters cool to 5°C (41°F) in January.
With around 1157 mm (46 in) of annual rain/snowfall, Daejeon has a notably wet climate. However, this rain/snowfall is not evenly distributed — the city has a distinct dry season from December to February. The wettest month is July. The most sunshine falls in May, with an average of 7.5 hours of daily sunshine.
Monthly Temperature in Daejeon
Depending on the time of the year, temperatures range from very warm to chilly in Daejeon. Average daytime temperatures reach a very warm 31°C (88°F) in August. In January, the coolest month of the year, temperatures drop to a chilly 5°C (41°F).
At night, temperatures range from around 22°C (72°F) in August to -5°C (23°F) in January.Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Daejeon
Daejeon has a relatively rain/snowy climate with high precipitation levels, averaging 1157 mm (46 in) of rain/snowfall annually. Daejeon can be quite wet during July, receiving approximately 242 mm (9.5 in) of precipitation over 15 rainy days.
In contrast, during the driest month (January), you will experience much drier conditions, with 28 mm (1.1 in) of precipitation spread across 9 snowy/rainy days days. For more details, please visit our Daejeon 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 Daejeon
Daejeon experiences moderate variation in sunshine hours across the seasons. With 7.5 hours daily sunshine in May, it dips to 4.7 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
Daily percentage of sunshine
Humidity in Daejeon by Month
The city experiences its highest humidity in January, reaching 6358%. In March, the humidity drops to its lowest level at 55%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Daejeon
The mean wind speed varies between () and () throughout the year. It is lowest in January, February, March, April, May, June, July, August, September, October, November and December and highest during January, February, March, April, May, June, July, August, September, October, November and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Daejeon 3-Day Forecast
Check the conditions for any month of the year.
Best Time to Visit Daejeon
During the months of April, May, June, September and October, Daejeon enjoys pleasant weather with average temperatures ranging from 20°C (68°F) to 29°C (84°F). These months are perfect for sightseeing and exploring.Rainfall during this time ranges from 58 mm (2.3 in) in October to 148 mm (5.8 in) in September. This means you can expect a mix of sunny days and occasional showers.
The rainy season falls during July and August, bringing heavy precipitation. Wondering where to travel based on your weather preferences? Our recommendation tool helps you find destinations with your ideal climate conditions. Use our weather planner to find your perfect destination.
