World Resorts South Korea Jeju Weather

Jeju weather in January

Weather in Jeju: January

Average day temperature: 44.9°F
Average night temperature: 41.1°F
Sea water temperature: 59.3°F
Number of sunny days: 7 days
Day length: 10.0 - 10.5 hours
Number of rainy days: 3 days
Precipitation totals: 2.7 in.

Air temperature in January, °F

Show year:
2024
2023
2022

The highest day temperature during January of 2024 was 57°F. At the same time the lowest night temperature was 31°F. Day and night temperature averages during January were 46.7°F and 42.6°F.

Sea water temperature in Jeju in January, °F

Show year:
2024
2023
2022

The average sea water temperature in January of 2024 was 60.7°F. The highest and lowest sea temperatures during the month were 62.2°F and 58.8°F.

Sunny, partly cloudy and cloudy days

Mostly all days in January are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in January, in.

Precipitation total value in Jeju in January is 3.2 in. Other months of the year show relatively similar values.

Wind speed in January, mph

The average wind speed value in January is 13.7 mph It makes January most windy month of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in January is: 4.6.

Best time for vacation in Jeju

Sunniest months:
October 15 days
May 15 days
March 14 days
Warmest months:
August 84.4 °F
July 81.8 °F
September 77.4 °F
Warmest sea temp:
August 81.1 °F
September 77.1 °F
July 76.3 °F
Coldest months:
January 44.9 °F
February 46.5 °F
December 48.6 °F
Rainiest months:
August 9 days
July 8 days
September 7 days
Windiest months:
January 14.5 mph
December 14.3 mph
February 14.0 mph

Jeju on a weather map

Jeju
+54°F
SE 11 mph
Feels like: +52°F
Precip.: 0%
Places in South Korea:
Name
°F
+39°F
+50°F
+46°F
+52°F
+48°F
+54°F
24 Hours Forecast
Jeju
Local time: 23:48
November 22, friday
0000
54°F
SE
11 mph
0300
54°F
SE
11 mph
0600
55°F
SE
14 mph
0900
55°F
SE
16 mph
1200
55°F
SE
17 mph
1500
54°F
S
17 mph
1800
52°F
S
15 mph
2100
50°F
S
14 mph
Units of measurement: °C / °F