Jeju CitySouth Korea · East Asia · January

January climate

BeachIslandCoastal

January in Jeju City

South Korea · East Asia

Weather varies through the month. Cold weather is the main drawback.

Some tradeoffs

Early to mid

Daytime high

46°F

Lows around 40°F

Precipitation

11 days/mo

Sun

5.5 h/day

Air feel

Very dry

Sea temp

55°F

Too cold for swimming

When to visit

Month-by-month fit

Best

Switch month

Temperature

Cold by day, cold at night.

46°Ftypical January high

Typical range

Precipitation

Some precipitation is expected this month.

35%wet-day frequency

AmountWet-day chance

Sunshine

A mix of sunshine and cloud.

5.4 hJanuary sunshine

Heat & humidity by month

Humidity is rarely noticeable in the cool air.

Very dryJanuary Heat feel

Easy airWarm airHumid airVery humid air

Hourly temperature pattern

In January, afternoons feel about 33° and nights feel near 31°.

FreezingVery coldColdCoolComfortableWarmHotNight hours

Clear sky

Mostly cloudy skies this month.

23%January Clear sky

Clear skyCloud

Wind pattern

Breezy January days can feel brisker in open spots.

14 mphJanuary Breezy

Sea temperature

55°FJanuary sea temp

More detailIncludes daypart comfort

Typical January day

January stays around 43°F through the day and night.

Avg temp Typical range

Morning43°F

Rain22%

Cloud77%

Humid airLow

Sun intensityMinimal

Midday44°F

Rain20%

Cloud78%

Humid airLow

Sun intensityModerate

Late afternoon44°F

Rain20%

Cloud77%

Humid airLow

Sun intensityLow

Best window

Early evening43°F

Rain20%

Cloud73%

Humid airLow

Sun intensityMinimal

Data table

View month-by-month numbers

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	46	40	2.9	11	5.4	68	55
Feb	47	41	2.7	10	6.8	69	53
Mar	52	46	3.5	10	8.1	70	53
Apr	59	53	3.9	9	9.2	75	56
May	66	60	4.2	8	9.4	80	62
Jun	72	67	7.3	12	8.2	87	69
Jul	79	75	7.1	13	9.0	88	76
Aug	82	78	6.2	14	9.8	84	80
Sep	76	72	7.2	12	8.5	80	78
Oct	68	63	3.2	8	8.8	72	72
Nov	59	53	3.1	9	7.1	69	66
Dec	50	44	2.7	11	5.8	68	60

Similar climates

Want a side-by-side climate view? Compare Jeju City with Elba.

Climate data notePlanning guidance, not a forecast

Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.

Sunshine: source type is not yet identified at metric level.

Local microclimates can vary by beach, neighborhood, trail, or elevation.

Last updated: Jun 4, 2026

Data & methodology

Month

High°F

Low°F

Rainin

Wet days

Sunh

Humidity%

Sea°F

Jan

2.9

5.4

Feb

2.7

6.8

Mar

3.5

8.1

Apr

3.9

9.2

May

4.2

9.4

Jun

7.3

8.2

Jul

7.1

9.0

Aug

6.2

9.8

Sep

7.2

8.5

Oct

3.2

8.8

Nov

3.1

7.1

Dec

2.7

5.8

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	46	40	2.9	11	5.4	68	55
Feb	47	41	2.7	10	6.8	69	53
Mar	52	46	3.5	10	8.1	70	53
Apr	59	53	3.9	9	9.2	75	56
May	66	60	4.2	8	9.4	80	62
Jun	72	67	7.3	12	8.2	87	69
Jul	79	75	7.1	13	9.0	88	76
Aug	82	78	6.2	14	9.8	84	80
Sep	76	72	7.2	12	8.5	80	78
Oct	68	63	3.2	8	8.8	72	72
Nov	59	53	3.1	9	7.1	69	66
Dec	50	44	2.7	11	5.8	68	60

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	46	40	2.9	11	5.4	68	55
Feb	47	41	2.7	10	6.8	69	53
Mar	52	46	3.5	10	8.1	70	53
Apr	59	53	3.9	9	9.2	75	56
May	66	60	4.2	8	9.4	80	62
Jun	72	67	7.3	12	8.2	87	69
Jul	79	75	7.1	13	9.0	88	76
Aug	82	78	6.2	14	9.8	84	80
Sep	76	72	7.2	12	8.5	80	78
Oct	68	63	3.2	8	8.8	72	72
Nov	59	53	3.1	9	7.1	69	66
Dec	50	44	2.7	11	5.8	68	60

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	46	40	2.9	11	5.4	68	55
Feb	47	41	2.7	10	6.8	69	53
Mar	52	46	3.5	10	8.1	70	53
Apr	59	53	3.9	9	9.2	75	56
May	66	60	4.2	8	9.4	80	62
Jun	72	67	7.3	12	8.2	87	69
Jul	79	75	7.1	13	9.0	88	76
Aug	82	78	6.2	14	9.8	84	80
Sep	76	72	7.2	12	8.5	80	78
Oct	68	63	3.2	8	8.8	72	72
Nov	59	53	3.1	9	7.1	69	66
Dec	50	44	2.7	11	5.8	68	60

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	46	40	2.9	11	5.4	68	55
Feb	47	41	2.7	10	6.8	69	53
Mar	52	46	3.5	10	8.1	70	53
Apr	59	53	3.9	9	9.2	75	56
May	66	60	4.2	8	9.4	80	62
Jun	72	67	7.3	12	8.2	87	69
Jul	79	75	7.1	13	9.0	88	76
Aug	82	78	6.2	14	9.8	84	80
Sep	76	72	7.2	12	8.5	80	78
Oct	68	63	3.2	8	8.8	72	72
Nov	59	53	3.1	9	7.1	69	66
Dec	50	44	2.7	11	5.8	68	60

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	46	40	2.9	11	5.4	68	55
Feb	47	41	2.7	10	6.8	69	53
Mar	52	46	3.5	10	8.1	70	53
Apr	59	53	3.9	9	9.2	75	56
May	66	60	4.2	8	9.4	80	62
Jun	72	67	7.3	12	8.2	87	69
Jul	79	75	7.1	13	9.0	88	76
Aug	82	78	6.2	14	9.8	84	80
Sep	76	72	7.2	12	8.5	80	78
Oct	68	63	3.2	8	8.8	72	72
Nov	59	53	3.1	9	7.1	69	66
Dec	50	44	2.7	11	5.8	68	60

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	46	40	2.9	11	5.4	68	55
Feb	47	41	2.7	10	6.8	69	53
Mar	52	46	3.5	10	8.1	70	53
Apr	59	53	3.9	9	9.2	75	56
May	66	60	4.2	8	9.4	80	62
Jun	72	67	7.3	12	8.2	87	69
Jul	79	75	7.1	13	9.0	88	76
Aug	82	78	6.2	14	9.8	84	80
Sep	76	72	7.2	12	8.5	80	78
Oct	68	63	3.2	8	8.8	72	72
Nov	59	53	3.1	9	7.1	69	66
Dec	50	44	2.7	11	5.8	68	60