Travel Weather Fairy🎊 Featured event
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 August
Midsummer · Typhoon riskIn Jeju, August averages about 30°C (86°F) during the day and 25°C (78°F) at night, so afternoons generally feel hot while evenings are warm. Rain is fairly common, with about 18 days reaching at least 1 mm of precipitation and roughly 240 mm for the month.
Avg high85.7°F 29.9°CAvg low77.6°F 25.3°CRainy days~18.2 daysMonthly rain239.7 mm
🧳 Packing guide
What to wear in Jeju in August
A practical August packing list for Jeju starts here: light, breathable clothes work best, with sun protection for long outdoor days. A compact rain shell is useful, and the latest typhoon and transport updates matter more than long-range averages close to departure.
Travel takeaway: This can still be a rewarding time to visit, but keep outdoor plans flexible and recheck the short-range forecast before travel.
🗓️ 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 August · 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
⭐ August 2025 · latest complete year☔ 22 days · 222.8 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
32.8°C/26.1°C
No rain
2
30.9°C/26.2°C
No rain
3
29°C/25.8°C
🌧️ 12.7 mm
4
31.6°C/27.7°C
🌧️ 4.9 mm
5
32°C/27.6°C
No rain
6
31.3°C/27.7°C
🌧️ 3 mm
7
30.3°C/27.2°C
🌧️ 6.2 mm
8
29.7°C/26.4°C
🌧️ 3 mm
9
29.7°C/25.5°C
🌧️ 22.4 mm
10
29°C/25.2°C
🌧️ 18.3 mm
11
28°C/24.6°C
🌧️ 56.6 mm
12
29.9°C/25.4°C
🌧️ 11.5 mm
13
31.3°C/25.9°C
No rain
14
29.9°C/25.5°C
🌧️ 5.9 mm
15
29.9°C/25.3°C
No rain
16
30°C/24.3°C
🌧️ 1.3 mm
17
30.4°C/24.4°C
🌧️ 2.6 mm
18
29.9°C/25.2°C
🌧️ 16.3 mm
19
30°C/24.5°C
🌧️ 8.8 mm
20
30.7°C/24.9°C
🌧️ 7.1 mm
21
30.2°C/25.4°C
No rain
22
30.6°C/25.8°C
🌧️ 1.9 mm
23
31.7°C/26.5°C
No rain
24
31.6°C/26.6°C
🌧️ 1.7 mm
25
31.7°C/25.8°C
No rain
26
32.7°C/27.2°C
No rain
27
30°C/26.4°C
🌧️ 2.5 mm
28
30.6°C/26°C
🌧️ 3.6 mm
29
30.7°C/25.1°C
🌧️ 6 mm
30
30.1°C/25°C
🌧️ 10.5 mm
31
30.5°C/25.1°C
🌧️ 11.4 mm
August 2024☔ 17 days · 100.9 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
32.1°C/26.5°C
🌧️ 1.1 mm
2
31.4°C/27.4°C
No rain
3
31.5°C/28.1°C
No rain
4
31.2°C/28.5°C
No rain
5
32.4°C/27.8°C
🌧️ 4.6 mm
6
31.6°C/26.5°C
🌧️ 4 mm
7
31.1°C/27.5°C
No rain
8
30.6°C/26.7°C
No rain
9
30.7°C/27.2°C
No rain
10
31.9°C/26.7°C
No rain
11
31.5°C/26.3°C
🌧️ 3.2 mm
12
31.5°C/26.2°C
No rain
13
30.3°C/26.1°C
No rain
14
30°C/25.6°C
🌧️ 3.5 mm
15
30.3°C/25.6°C
🌧️ 2 mm
16
30.2°C/25.5°C
🌧️ 3.8 mm
17
30.7°C/24.9°C
🌧️ 9.9 mm
18
30.6°C/25.6°C
🌧️ 2.2 mm
19
32.2°C/25.2°C
🌧️ 1 mm
20
31.3°C/26.4°C
🌧️ 17.9 mm
21
32.1°C/27.9°C
🌧️ 4.9 mm
22
31.7°C/27.1°C
🌧️ 4.1 mm
23
30.6°C/27°C
No rain
24
30.2°C/25.5°C
No rain
25
30.5°C/25.7°C
No rain
26
30.7°C/25.5°C
🌧️ 1.3 mm
27
31.4°C/25.8°C
🌧️ 4.5 mm
28
28°C/25.6°C
🌧️ 20.6 mm
29
29.5°C/25.9°C
🌧️ 10 mm
30
29.1°C/25.7°C
No rain
31
28.1°C/23.2°C
No rain
August 2023☔ 20 days · 290.1 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
30.8°C/26.4°C
No rain
2
32.2°C/26.3°C
No rain
3
32.1°C/26°C
No rain
4
32.4°C/26.1°C
🌧️ 1 mm
5
30.5°C/26.6°C
🌧️ 1.7 mm
6
29.8°C/26.4°C
🌧️ 1.1 mm
7
30.2°C/27°C
🌧️ 8.4 mm
8
29.6°C/26.9°C
🌧️ 10.2 mm
9
27.9°C/26°C
🌧️ 64.9 mm
10
27.9°C/25.8°C
🌧️ 27.6 mm
11
30.8°C/24.7°C
No rain
12
29.8°C/25.3°C
No rain
13
30.4°C/25.7°C
🌧️ 1.3 mm
14
30.2°C/24.7°C
No rain
15
28.7°C/25.3°C
No rain
16
29°C/25.8°C
No rain
17
29.2°C/24.6°C
🌧️ 4.1 mm
18
28.8°C/24.4°C
🌧️ 2.7 mm
19
29.3°C/25.8°C
🌧️ 4.6 mm
20
30.2°C/25.2°C
🌧️ 11.3 mm
21
30.6°C/24.9°C
🌧️ 8.5 mm
22
30.3°C/25.9°C
🌧️ 4.9 mm
23
29.1°C/26.2°C
🌧️ 18.6 mm
24
27.6°C/25.6°C
🌧️ 42.9 mm
25
29.1°C/24.5°C
No rain
26
28.6°C/22.9°C
No rain
27
30.1°C/22.5°C
🌧️ 1.6 mm
28
31.2°C/24.7°C
🌧️ 4.9 mm
29
29.9°C/26.2°C
🌧️ 14.8 mm
30
26.2°C/23.5°C
🌧️ 51.6 mm
31
26.2°C/23.6°C
No rain
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.
✈️ Traveling soon?
Current Jeju weather and 7-day forecast
When departure is close, the latest forecast matters more than long-term averages.
Loading current weather…
Loading 7-day forecast…
Forecast data: MET Norway · CC BY 4.0 · cached by Travel Weather Fairy
💱 Quick currency check
Local currency to U.S. dollars
Loading exchange rate…
💱 Loading exchange rate…
Jeju weather in other months
Switch months to compare the seasonal pattern.