Weather & climate FAQ — Daejeon, South Korea
Answers to the most-searched weather and climate questions about Daejeon, from 1827 days of daily observations (2020–2024).
Daejeon hub ★ Best time to visit Daejeon
Frequently asked questions
What is the weather like in Daejeon?
Climolog has 1827 days of daily weather observations for Daejeon, South Korea (2020–2024). The mean temperature is 13.7°C and total precipitation is 6651.4 mm across that span. Typical monthly highs range from 4.9°C (in January) to 30.5°C (in August).
What is the climate in Daejeon by month?
The hottest month is August (avg high 30.5°C) and the coldest is January (avg low -4.2°C). For the full month-by-month breakdown, see the best-time-to-visit guide for Daejeon.
When is the best time to visit Daejeon?
The best months to visit Daejeon are October, April, May — the highest travel-comfort scores (comfortable temperatures, low rainfall, and good sunshine). See the month-by-month ranking for Daejeon for details.
What is the hottest month in Daejeon?
August is the hottest month, averaging a high of 30.5°C. See August climate details.
What is the coldest month in Daejeon?
January is the coldest month, averaging a low of -4.2°C. See January climate details.
What is the wettest month in Daejeon?
July is the wettest month, averaging about 343.3 mm of rain per month. See July climate details.
What is the driest month in Daejeon?
December is the driest month, averaging about 24.9 mm of rain per month. See December climate details.
When is the rainy season in Daejeon?
The wettest months in Daejeon are July, August, September, which form the main rainy season. Travel is usually drier and more comfortable in October.
What is the weather like in Daejeon in October?
In October, Daejeon averages a high of 19.8°C and a low of 10°C, with about 45 mm of rain over 50 rainy days — its best-weather month (travel-comfort score 85/100). See October climate details.
How much weather data does Climolog have for Daejeon?
Climolog covers 1827 days of daily weather for Daejeon, South Korea from 2020 to 2024 (2020–2024). Browse day-by-day history and monthly averages on the Daejeon hub.
Best time to visit by month
Best time to visit in October Best time to visit in April Best time to visit in May
Each links to the month hub listing every city whose single best-weather month is that month.
Explore Daejeon by month
January February March April May June July August September October November December