Climate averages 1991–2020
Daejeon weather
in June.
A warm, wet month: the 3rd warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
June is a warm month in Daejeon: daytime highs average 27.6°C and nights cool to about 17.9°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 123 mm of rain on roughly 9 days, which makes June a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 36 min on an average June day.
The nearest other city in this atlas is Gongju (26 km away). In June its highs average 27.9°C, about as warm as Daejeon, with 126 mm of rain.
Among the 79 cities listed in South Korea, Daejeon ranks joint 8th of 79 for the warmest June highs and joint 23rd of 79 for the driest June (rainfall, lowest first). The mean June high of those 79 cities is 25.7°C; Daejeon is 1.8°C warmer than that mean.
From June to July, average highs rise by 1.2°C to 28.8°C, and monthly rainfall rises from 123 mm to 230 mm.
The annual picture
June in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Daejeon climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 3.4°C-4.1°C | -4.1°C | 24 | 4.8 | 10.010 h |
| February | 6.2°C-2.8°C | -2.8°C | 33 | 4.8 | 10.811 h |
| March | 11.6°C0.9°C | 0.9°C | 53 | 7.4 | 11.912 h |
| April | 18.2°C6.6°C | 6.6°C | 78 | 7.7 | 13.113 h |
| May | 23.5°C12.4°C | 12.4°C | 86 | 7.8 | 14.114 h |
| June, selected | 27.6°C17.9°C | 17.9°C | 123 | 8.9 | 14.615 h |
| July | 28.8°C21.8°C | 21.8°C | 230 | 15.7 | 14.414 h |
| August | 29.3°C22.4°C | 22.4°C | 197 | 15.0 | 13.514 h |
| September | 25.2°C17.0°C | 17.0°C | 138 | 8.4 | 12.412 h |
| October | 19.6°C10.1°C | 10.1°C | 56 | 5.1 | 11.311 h |
| November | 12.3°C3.4°C | 3.4°C | 41 | 6.2 | 10.310 h |
| December | 5.3°C-2.4°C | -2.4°C | 25 | 5.0 | 9.710 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
June in nearby cities
- Gongju in JuneSouth Korea · 26 kmHigh 27.9°C · Low 18.1°C · 126 mm rain
- Sejong in JuneSouth Korea · 28 kmHigh 27.8°C · Low 17.8°C · 122 mm rain
- Cheongju-si in JuneSouth Korea · 33 kmHigh 27.7°C · Low 17.9°C · 124 mm rain
- Cheonan in JuneSouth Korea · 55 kmHigh 27.7°C · Low 17.8°C · 125 mm rain
- Asan in JuneSouth Korea · 59 kmHigh 27.2°C · Low 17.6°C · 121 mm rain
- Iksan in JuneSouth Korea · 59 kmHigh 26.5°C · Low 17.3°C · 133 mm rain
- Jeonju in JuneSouth Korea · 62 kmHigh 26.4°C · Low 17.3°C · 149 mm rain
- Sangju in JuneSouth Korea · 70 kmHigh 27.6°C · Low 17.7°C · 121 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Daejeon) is explained once on the Daejeon year overview and on the Sources, method and limits page.