City · South Korea
Best time to visit Sejong
The best time to visit Sejong is April–June and September and October, with daytime temperatures around 25°C.
Eddigo
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Sejong
70 mWarm
86
25°/12°100 mm58 %14 h
A typical mid-May in Sejong
Sunny 16Cloudy 6Rain 8
Daytime temperature (night ☾)
12°20°30°−10°37°
Daylight (solar time)
04:5519:05
0006121824
14 h 11 m
Precipitation
0340 mm
100 mm
Air feel
FreshComfortableHumidMuggy
RH 62 %
Month by month
| Month | Score | Day | Night | Rain | Wet days | Sun | Daylight | Feels like |
|---|---|---|---|---|---|---|---|---|
| January | 49 | 3° | −7° | 26 mm | 8 | 61 % | 10 h | Cold and snowy |
| February | 48 | 7° | −5° | 34 mm | 8 | 54 % | 11 h | Chilly |
| March | 55 | 13° | 0° | 53 mm | 8 | 60 % | 12 h | Mild |
| April | 84 | 20° | 6° | 85 mm | 9 | 52 % | 13 h | Pleasantly warm |
| May | 86 | 25° | 12° | 98 mm | 8 | 58 % | 14 h | Warm |
| June | 68 | 29° | 18° | 145 mm | 10 | 42 % | 15 h | Rainy season · warm |
| July | 36 | 31° | 22° | 330 mm | 16 | 31 % | 14 h | Rainy season · hot, showery and muggy |
| August | 40 | 31° | 22° | 274 mm | 14 | 41 % | 14 h | Rainy season · hot, showery and muggy |
| September | 79 | 27° | 16° | 133 mm | 9 | 42 % | 12 h | Warm |
| October | 90 | 21° | 8° | 60 mm | 7 | 63 % | 11 h | Pleasantly warm |
| November | 49 | 13° | 2° | 49 mm | 10 | 51 % | 10 h | Mild |
| December | 45 | 5° | −5° | 32 mm | 9 | 58 % | 10 h | Chilly |
The score (0–100) combines daytime temperature, rain days, humidity and cloud cover, weighted for a typical warm-weather trip: 20–28 °C, little rain. On the map you can change these preferences.
Climate averages 2016–2025 (ERA5, CRU TS). Sea temperature from ERA5. Not a forecast. Elevation: 65 m. Coordinates: 36.59, 127.29.