Climate normals · 1970–2000
Jeju City Climate
Jeju City is a city in South Korea (01) with a population of about 488,844. Its average annual temperature is 15.4°C (60°F), with roughly 1753 mm of rain per year.
15.4°C
Avg Temp
1753
Precip (mm/yr)
Aug
Hottest Month
Jan
Coldest Month
Jeju City Climate
Jeju City has an average annual temperature of 15.4°C (60°F) and receives about 1753 mm of precipitation per year. The warmest month is August and the coldest is January. Figures are 1970–2000 climate normals.
15.4°C
Avg Temp
1753
Precip (mm/yr)
Aug
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 5° / 41° | 69 mm |
| February | 6° / 42° | 79 mm |
| March | 9° / 48° | 109 mm |
| April | 14° / 56° | 150 mm |
| May | 18° / 64° | 177 mm |
| June | 21° / 70° | 251 mm |
| July | 26° / 78° | 280 mm |
| August | 27° / 80° | 257 mm |
| September | 23° / 73° | 176 mm |
| October | 18° / 64° | 76 mm |
| November | 12° / 54° | 77 mm |
| December | 7° / 45° | 52 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Jeju City
The most comfortable months to visit Jeju City are typically October, September and May, when temperatures are mildest and rainfall is relatively low. The hottest month is August (around 29°C high). The coldest is January (near 2°C low). July is usually the wettest month.
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Frequently Asked Questions
The most comfortable months to visit Jeju City are typically October, September and May, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).
Jeju City, South Korea has an average annual temperature of 15.4°C and about 1753 mm of precipitation per year. The warmest month is August and the coldest is January.
In August, the hottest month, daily highs in Jeju City average about 29°C (85°F).
Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.