Daejeon weather in August
Temperature, rain and sunshine in August: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in August
Fair
Best time to visit: April – June, September – October
What is the weather like in Daejeon in August?
In August, Daejeon is hot: daytime highs average 30 °C, and even at night it stays warm at around 23 °C. Expect around 6 hours of sunshine a day. It rains often – on about 15 days, adding up to 213 mm. On about 14 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is a so-so month for a holiday in Daejeon.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 48 | 49 | 79 |
| Day | 29° | 30° | 26° |
| Night | 22° | 23° | 17° |
| Sun | 5 h | 6 h | 6 h |
| Rain days | 17 | 15 | 9 |
More details for August
- Daylight
- 13 h 35 min05:48 – 19:23
- UV index
- 9 · very highclear sky, noon (estimate)All months
- Muggy days
- 29 daysdew point 18 °C or moreAll months
- Wind
- 13 km/haverage daily peakAll months
- Cloud cover
- 67 %on averageAll months
- Hot days
- 14 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+9Asia/Seoul
How the score comes together
- Temperatureweight 50 %69 %
- Sunshineweight 20 %45 %
- Few rainy daysweight 30 %20 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in August
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
Daejeon in August: quick answers
Is Daejeon hot in August?
Yes. In August, Daejeon is hot: daytime highs average 30 °C and nights stay around 23 °C. On about 14 days the thermometer climbs to 30 °C or more.
Does it rain much in Daejeon in August?
It rains often – on about 15 days, adding up to 213 mm.
Daejeon month by month
The whole year in DaejeonAll destinations: South KoreaWhere to go in August
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences