Jeju-do (Jeju City)
May
Weather in Jeju-do for May 2025
Your guide to Jeju-do weather in May - trends and predictions
The forecast for the next days in Jeju-do predicts temperatures to be around 20 °C, close to the historical average.
In general, the average temperature in Jeju-do at the beginning of May is 18.7 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 22.7 °C by the end of May.
Jeju-do in May brings notable rainfall, with an average of 20 rainy days and a total precipitation of 173.8 mm.
Temperatures
Rain 🌧️
11
Dry days
20
Rainy days
0
Snow days
20°/15°
Temperatures
18 km/h
Avg max wind
69 %
Avg humidity
Jeju-do Weather May
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  21° | 2  17° | 3  21° | 4 16° | |||
| 5 19° | 6  20° | 7 17° | 8 21° | 9 20° | 10 19° | 11 19° |
| 12 22° | 13 22° | 14  20° | 15  21° | 16 22° | 17  22° | 18 21° |
| 19 21° | 20 21° | 21 21° | 22 22° | 23 22° | 24 22° | 25 23° |
| 26 22° | 27 23° | 28 23° | 29 23° | 30 23° | 31 22° |
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Temperatures trend during May in Jeju-do
See the weather trend as well as the moving average line
May weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May | Moderate rain | 21° /14° | 11.3 mm | 1.2 | |
| 2 May | Sunny | 17° /13° | 0 mm | 2 | |
| 3 May | Patchy rain possible | 21° /12° | 0.3 mm | 1.9 | |
| 4 May | Sunny | 16° /12° | 0 mm | 2.4 | |
| 5 May | Sunny | 19° /12° | 0 mm | 4 | |
| 6 May | Partly cloudy | 20° /15° | 0 mm | 5 | |
| 7 May | Sunny | 17° /13° | 0 mm | 5 | |
| 8 May | Sunny | 21° /14° | 0 mm | 5 | |
| 9 May | Sunny | 20° /16° | 0 mm | 5 | |
| 10 May | Partly cloudy | 19° /16° | 0 mm | 5 | |
| 11 May | Sunny | 19° /15° | 0 mm | 5 | |
| 12 May | Sunny | 22° /14° | 0 mm | 5 | |
| 13 May | Partly cloudy | 22° /16° | 0 mm | 5 | |
| 14 May | Cloudy | 20° /14° | 1.1 mm | 5 | |
| 15 May | Moderate or heavy rain shower | 21° /14° | 4.5 mm | 5 | |
| 16 May | Sunny | 22° /16° | 2.3 mm | 6 | |
| 17 May | Overcast | 22° /15° | 0.1 mm | 5 | |
| 18 May | Sunny | 21° /15° | 17.5 mm | 5 | |
| 19 May | Overcast | 21° /16° | 0.1 mm | 5 | |
| 20 May | Moderate or heavy rain shower | 21° /15° | 17.3 mm | 5 | |
| 21 May | Sunny | 21° /15° | 0 mm | 6 | |
| 22 May | Sunny | 22° /16° | 0.2 mm | 6 | |
| 23 May | Sunny | 22° /16° | 0 mm | 6 | |
| 24 May | Patchy rain possible | 22° /16° | 1 mm | 5 | |
| 25 May | Sunny | 23° /16° | 0 mm | 6 | |
| 26 May | Patchy rain possible | 22° /16° | 5.8 mm | 5 | |
| 27 May | Cloudy | 23° /16° | 2.6 mm | 6 | |
| 28 May | Sunny | 23° /17° | 0.3 mm | 6 | |
| 29 May | Sunny | 23° /17° | 2.2 mm | 6 | |
| 30 May | Overcast | 23° /17° | 6.2 mm | 5 | |
| 31 May | Sunny | 22° /17° | 5.1 mm | 5 | |
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Important Notice
Our weather forecast for Jeju-do in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Jeju-do forecast closer to your planned date for the most up-to-date weather information.
Jeju-do in May - FAQ
What are the expected maximum and minimum temperatures in Jeju-do during May?
During May, expect a variety of temperatures with highs around 20° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Jeju-do during May?
Significant rainfall exceeding 173.8 mm is expected in Jeju-do during May, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Jeju-do during May?
The average wind speed in Jeju-do during May is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Jeju-do
Explore the daily rainfall trends and prepare for Jeju-dos May weather 💧
UV exposure in Jeju-do during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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