Yearly weather and climate in Daejeon, South Korea
The yearly weather in Daejeon runs from around -4°C in January to 31°C in August. December is the driest month at 3 rainy days; July the wettest at 21. Here is the annual climate data, so you know what you are packing for.
Best time to visit
Weather is fairly consistent year-round. Pack for stable conditions.
Sunshine
Expect up to 9.5 hours of clear skies in Jun, but only 6.8 hours in Dec. Pack sunglasses and SPF accordingly.
Rainfall
It rains the most in Jul (343mm over 21 days). A reliable rain jacket is a must-have if visiting then.
Day-to-night swings
Temperatures typically drop by 10°C from day to night. Make sure to pack layers for the evenings.
Average temperatures and rainfall
Daily highs and lows in Daejeon, averaged over 10 years of recorded weather, with the number of days it typically rains.
- 541°-424°5Jan
- 846°-228°5Feb
- 1458°235°6Mar
- 2068°745°6Apr
- 2576°1254°10May
- 2985°1865°13Jun
- 3086°2272°21Jul
- 3187°2374°18Aug
- 2780°1965°10Sep
- 2068°1050°6Oct
- 1457°439°6Nov
- 541°-326°3Dec
Bars span the average daily low to high. Numbers under the drop are rainy days per month (1mm or more) — hover a month for its total rainfall. Dec is typically driest at 3 days (25mm); Jul the wettest at 21 days (343mm).
| Month | Average high | Average low | Rainy days | Total rainfall |
|---|---|---|---|---|
| Jan | 5°C | -4°C | 5 | 33mm |
| Feb | 8°C | -2°C | 5 | 36mm |
| Mar | 14°C | 2°C | 6 | 61mm |
| Apr | 20°C | 7°C | 6 | 55mm |
| May | 25°C | 12°C | 10 | 97mm |
| Jun | 29°C | 18°C | 13 | 132mm |
| Jul | 30°C | 22°C | 21 | 343mm |
| Aug | 31°C | 23°C | 18 | 278mm |
| Sep | 27°C | 19°C | 10 | 171mm |
| Oct | 20°C | 10°C | 6 | 45mm |
| Nov | 14°C | 4°C | 6 | 54mm |
| Dec | 5°C | -3°C | 3 | 25mm |
Weather data by Open-Meteo.com
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