Climate of Sejong, South Korea
Area-weighted average across Sejong. For where people actually live and travel, see the cities below.
Sejong, a subdivision of Korea, Republic of, has a strongly continental climate on average. Area-weighted monthly temperatures across the whole territory range from -3°C / 26.6°F in January to 24.8°C / 76.6°F in August, with rainfall from 28 mm / 1.1 in to 301 mm / 11.9 in depending on the season (1284 mm / 50.6 in total across the year).
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | -3°C26.6°F | 28 mm1.1″ | Snowy |
| February | -0.8°C30.6°F | 34 mm1.3″ | Snowy |
| March | 4.5°C40.1°F | 52 mm2″ | — |
| April | 11.4°C52.5°F | 88 mm3.5″ | — |
| May | 16.6°C61.9°F | 93 mm3.7″ | — |
| June | 21.1°C70°F | 147 mm5.8″ | — |
| July | 24.5°C76.1°F | 301 mm11.9″ | — |
| August | 24.8°C76.6°F | 266 mm10.5″ | — |
| September | 19.6°C67.3°F | 145 mm5.7″ | — |
| October | 13°C55.4°F | 50 mm2″ | — |
| November | 6.1°C43°F | 50 mm2″ | — |
| December | -0.2°C31.6°F | 30 mm1.2″ | Snowy |
Frequently asked questions
What is the best time to visit Sejong?
Sejong, Korea, Republic of does not have a clear sunny-and-dry window by our cutoffs. The warmest month is August at 24.8°C / 76.6°F, and the driest is January at 28 mm / 1.1 in — likely your best travel window. For city-level detail, see the cities section below.
What is the climate of Sejong?
Sejong, Korea, Republic of has area-weighted monthly average temperatures ranging from -3°C / 26.6°F in January to 24.8°C / 76.6°F in August. Annual rainfall averages about 1284 mm / 50.6 in, with the wettest month being July (301 mm / 11.9 in) and the driest January (28 mm / 1.1 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in Sejong?
The hottest month in Sejong is August, with an area-wide average temperature of 24.8°C / 76.6°F.
What is the coldest month in Sejong?
The coldest month in Sejong is January, with an area-wide average temperature of -3°C / 26.6°F.
When does it rain most in Sejong?
The wettest month in Sejong is July, averaging about 301 mm / 11.9 in of rainfall. The driest is January with about 28 mm / 1.1 in.