Weather in Jeju-si for May 2025
In general, the average temperature in Jeju-si at the beginning of May is 17.9 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 21.9 °C by the end of May.
Jeju-si sees moderate rainfall in May, averaging 10 rainy days.
Is May a good time to visit Jeju-si? check out the best time to travel to Jeju-si page.
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Jeju-si in May average weather
Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
---|---|---|---|---|---|---|
1 14° | 2 16° | 3 18° | 4 21° | |||
5 20° | 6 18° | 7 18° | 8 15° | 9 18° | 10 21° | 11 22° |
12 18° | 13 18° | 14 20° | 15 19° | 16 18° | 17 22° | 18 22° |
19 23° | 20 22° | 21 22° | 22 22° | 23 22° | 24 22° | 25 23° |
26 24° | 27 21° | 28 20° | 29 22° | 30 22° | 31 21° |
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Temperatures trend during May in Jeju-si
May weather day by day
Date | Weather | Temperatures | Rain | UV | More |
---|---|---|---|---|---|
1 May | Light rain shower | 14° /13° | 1.3 mm | 3 | |
2 May | Cloudy | 16° /12° | 0 mm | 4 | |
3 May | Sunny | 18° /12° | 0 mm | 5 | |
4 May | Partly cloudy | 21° /13° | 0.1 mm | 6 | |
5 May | Heavy rain | 20° /17° | 114.6 mm | 5 | |
6 May | Patchy rain possible | 18° /15° | 0.5 mm | 4 | |
7 May | Sunny | 18° /14° | 0.1 mm | 5 | |
8 May | Patchy rain possible | 15° /13° | 2.8 mm | 4 | |
9 May | Sunny | 18° /12° | 0 mm | 5 | |
10 May | Sunny | 21° /14° | 0 mm | 6 | |
11 May | Patchy light drizzle | 22° /15° | 7.4 mm | 5 | |
12 May | Light rain | 18° /13° | 8.1 mm | 4 | |
13 May | Sunny | 18° /12° | 0 mm | 5 | |
14 May | Sunny | 20° /14° | 0 mm | 6 | |
15 May | Light rain | 19° /12° | 2.4 mm | 4 | |
16 May | Sunny | 18° /14° | 0 mm | 5 | |
17 May | Overcast | 22° /14° | 0 mm | 5 | |
18 May | Sunny | 22° /15° | 0 mm | 6 | |
19 May | Sunny | 23° /15° | 0 mm | 6 | |
20 May | Overcast | 22° /17° | 0 mm | 5 | |
21 May | Sunny | 22° /16° | 0 mm | 6 | |
22 May | Sunny | 22° /17° | 0 mm | 6 | |
23 May | Sunny | 22° /17° | 0 mm | 6 | |
24 May | Sunny | 22° /17° | 0 mm | 6 | |
25 May | Sunny | 23° /17° | 0 mm | 6 | |
26 May | Light rain shower | 24° /18° | 7 mm | 5 | |
27 May | Cloudy | 21° /16° | 0.6 mm | 5 | |
28 May | Partly cloudy | 20° /16° | 0 mm | 6 | |
29 May | Partly cloudy | 22° /16° | 0 mm | 6 | |
30 May | Overcast | 22° /16° | 0 mm | 5 | |
31 May | Patchy rain possible | 21° /16° | 1.1 mm | 5 | |
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Jeju-si in May - FAQ
What to pack to Jeju-si in May?
As you prepare for your trip to Jeju-si in May, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Jeju-si, during May, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Umbrellas/Raincoats: For rainy days
May rainfall patterns in Jeju-si
UV exposure in Jeju-si during May
Quick links
Get accurate weather forecasts for Jeju-si, located at latitude 33.51 and longitude 126.522. Stay updated with localized weather information tailored for Jeju-si.