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Spring canola and flower season
📅 Around March–April
Flower spots, oreum trails and the east coast attract more visitors, and rental-car traffic can become heavier.
Check official source →🇰🇷 South Korea · Jeju
Jeju Weather in December
Winter · WindyIn Jeju, December averages about 10°C (50°F) during the day and 5°C (41°F) at night, so afternoons generally feel cold while evenings are chilly. Some wet days are normal, with about 13 days reaching at least 1 mm of precipitation and roughly 86 mm for the month.
Avg high49.8°F 9.9°CAvg low41.0°F 5.0°CRainy days~13.1 daysMonthly rain85.8 mm
🧳 Packing guide
What to wear in Jeju in December
A practical December packing list for Jeju starts here: warm layers and a proper jacket or coat are useful, especially after sunset. A compact umbrella is worth carrying for passing showers or wetter days.
Travel takeaway: The month suits cold-weather travelers best, especially if you plan around shorter outdoor sessions and warmer layers.
🗓️ Travel timing at a glance
Jeju: 12-month travel weather
Jeju combines four seasons with a windy maritime climate. Summer monsoon rain and late-summer typhoons can affect flights, ferries and outdoor plans.
JanWinter · WindyFebWinter · WindyMarEarly spring · WindyAprSpringMayLate spring · WindyJunRainy seasonJulRainy season · HeatAugMidsummer · Typhoon riskSepLate summer · Typhoon riskOctAutumn · WindyNovLate autumn · WindyDecWinter · Windy
Monthly labels summarize typical climate patterns for trip planning. Always check the latest forecast and tropical-storm alerts before departure.
🎉 Trip planning check
Jeju 2026 events & busy periods
Check major events, holidays and periods that may affect crowds, transport or opening hours.
⚠️ Busy / closure period
Summer peak and typhoon season
📅 July–September
Peak-season demand can overlap with typhoon disruption, so check cancellation terms for flights, rental cars and marine activities.
Check official source →Event dates, holiday schedules and opening hours can change. Recheck the linked official tourism or government source before departure.
Jeju in December · recent 3 years
Compare the most recent complete year with the two years before it. Daily high / low temperatures are shown in °F.
CalendarNo measurable rain🌧️ Rain⛈️ Thunderstorm❄️ SnowHigh / Low · °F
⭐ December 2025 · latest complete year☔ 11 days · 70.3 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
15°C/8.3°C
🌧️ 1 mm
2
10.2°C/6.5°C
No rain
3
6.8°C/4.1°C
🌧️ 6.5 mm
4
9.7°C/4.9°C
No rain
5
9.9°C/4.5°C
🌧️ 2.3 mm
6
14.1°C/5.2°C
No rain
7
16.9°C/10.7°C
No rain
8
13°C/6.7°C
No rain
9
10.1°C/6.3°C
No rain
10
15°C/5.8°C
No rain
11
14.7°C/7.3°C
🌧️ 6.6 mm
12
13°C/3.3°C
No rain
13
14.6°C/7.9°C
🌧️ 13.5 mm
14
8.4°C/6.9°C
🌧️ 6.7 mm
15
10°C/5.1°C
No rain
16
15.4°C/5.6°C
No rain
17
13°C/6.5°C
🌧️ 5.3 mm
18
10.6°C/4.6°C
No rain
19
18°C/6.2°C
No rain
20
19.2°C/10.8°C
🌧️ 5.3 mm
21
10.2°C/3.3°C
No rain
22
10.6°C/1.1°C
No rain
23
16.6°C/7°C
No rain
24
14.3°C/7.3°C
🌧️ 8.2 mm
25
7.5°C/2.4°C
🌧️ 8.3 mm
26
2.7°C/0.4°C
🌧️ 3.6 mm
27
5.3°C/1.5°C
No rain
28
11.3°C/2.7°C
No rain
29
15.3°C/8.4°C
No rain
30
9.6°C/5.6°C
No rain
31
6.9°C/1.8°C
No rain
December 2024☔ 13 days · 56.7 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
16.4°C/8.4°C
No rain
2
18.1°C/11.6°C
No rain
3
11.7°C/6.6°C
🌧️ 2.1 mm
4
10.6°C/5°C
No rain
5
11.6°C/9.3°C
No rain
6
11.4°C/8.9°C
No rain
7
10.9°C/6.8°C
🌧️ 3.3 mm
8
8.3°C/5.8°C
🌧️ 1.8 mm
9
9.8°C/7.3°C
No rain
10
10.2°C/6.7°C
No rain
11
9.6°C/5.8°C
No rain
12
8.8°C/4.7°C
No rain
13
7.9°C/4°C
🌧️ 6.2 mm
14
7.6°C/5°C
🌧️ 3.3 mm
15
8.5°C/6.2°C
No rain
16
9.5°C/6.5°C
🌧️ 3.1 mm
17
10.8°C/5.6°C
No rain
18
6.8°C/3.6°C
🌧️ 11.9 mm
19
6°C/2.3°C
🌧️ 2.7 mm
20
9.1°C/3.6°C
No rain
21
9°C/3.9°C
🌧️ 3.2 mm
22
5.4°C/3.7°C
🌧️ 4.4 mm
23
7.9°C/3.1°C
No rain
24
9°C/5.6°C
No rain
25
11.3°C/5.2°C
No rain
26
9.7°C/5.3°C
🌧️ 2.8 mm
27
7.1°C/4.7°C
🌧️ 1.1 mm
28
5.4°C/3.5°C
🌧️ 5.8 mm
29
8.7°C/5.2°C
No rain
30
12.7°C/5.1°C
No rain
31
9.8°C/3.4°C
No rain
December 2023☔ 19 days · 135.3 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
7.6°C/4.3°C
🌧️ 8.6 mm
2
10.1°C/6.1°C
No rain
3
11.4°C/6°C
No rain
4
12°C/4.6°C
No rain
5
13.4°C/7.6°C
No rain
6
17.1°C/10.1°C
🌧️ 7.2 mm
7
13.1°C/8.3°C
No rain
8
19°C/8.3°C
No rain
9
19°C/13°C
No rain
10
21.2°C/14°C
🌧️ 5.3 mm
11
20.4°C/14.6°C
🌧️ 13.4 mm
12
14.1°C/10.1°C
🌧️ 17.8 mm
13
17.3°C/10.9°C
🌧️ 2.4 mm
14
17.6°C/13.9°C
🌧️ 8.7 mm
15
19.9°C/10.3°C
🌧️ 10.6 mm
16
9.7°C/2.1°C
🌧️ 12.8 mm
17
3.3°C/0.7°C
🌧️ 6.9 mm
18
3.5°C/0.9°C
🌧️ 4 mm
19
6.7°C/3°C
🌧️ 4.9 mm
20
6.7°C/1°C
🌧️ 5.5 mm
21
1.7°C/-0.8°C
🌧️ 5.1 mm
22
1.8°C/-0.9°C
🌧️ 4.9 mm
23
4.1°C/0.4°C
🌧️ 1.2 mm
24
6.2°C/4.4°C
🌧️ 6.8 mm
25
6.3°C/4.6°C
No rain
26
10.1°C/4.5°C
No rain
27
11.1°C/6.3°C
No rain
28
11.6°C/7.9°C
No rain
29
8.8°C/3.7°C
No rain
30
14°C/5.3°C
🌧️ 1 mm
31
13°C/6.9°C
🌧️ 6.8 mm
Historical calendars use Open-Meteo reanalysis data. A rainy day is counted when daily precipitation is at least 1 mm. Conditions at a specific hotel, beach or station can differ.
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Current Jeju weather and 7-day forecast
When departure is close, the latest forecast matters more than long-term averages.
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Forecast data: MET Norway · CC BY 4.0 · cached by Travel Weather Fairy
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Jeju weather in other months
Switch months to compare the seasonal pattern.