Jeju-si
October
Weather in Jeju-si for October 2025
Your guide to Jeju-si weather in October - trends and predictions
In general, the average temperature in Jeju-si at the beginning of October is 21 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 19.7 °C by the end of October.
Jeju-si sees moderate rainfall in October, averaging 9 rainy days.
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22
Dry days
9
Rainy days
0
Snow days
20°/16°
Temperatures
20 km/h
Avg max wind
64 %
Avg humidity
Jeju-si in October average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  23° | 2  21° | 3 21° | 4 22° | 5  21° | ||
| 6 20° | 7  19° | 8 21° | 9 21° | 10  20° | 11 21° | 12 21° |
| 13 22° | 14 22° | 15 22° | 16 21° | 17  21° | 18 24° | 19 23° |
| 20 18° | 21 19° | 22 21° | 23 19° | 24 18° | 25 21° | 26 21° |
| 27 19° | 28 18° | 29 19° | 30 20° | 31 20° |
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Temperatures trend during October in Jeju-si
See the weather trend as well as the moving average line
October weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Oct. | Patchy rain possible | 23° /18° | 3.9 mm | 6 | |
| 2 Oct. | Cloudy | 21° /17° | 0.1 mm | 5 | |
| 3 Oct. | Patchy rain possible | 21° /17° | 0.8 mm | 5 | |
| 4 Oct. | Patchy rain possible | 22° /18° | 0 mm | 6 | |
| 5 Oct. | Partly cloudy | 21° /17° | 0.4 mm | 6 | |
| 6 Oct. | Cloudy | 20° /15° | 9.2 mm | 5 | |
| 7 Oct. | Patchy light drizzle | 19° /15° | 6.5 mm | 4 | |
| 8 Oct. | Light rain shower | 21° /17° | 1.8 mm | 5 | |
| 9 Oct. | Patchy rain possible | 21° /18° | 2.3 mm | 5 | |
| 10 Oct. | Overcast | 20° /17° | 1.5 mm | 5 | |
| 11 Oct. | Patchy rain possible | 21° /17° | 0.4 mm | 5 | |
| 12 Oct. | Partly cloudy | 21° /16° | 0.1 mm | 6 | |
| 13 Oct. | Patchy rain possible | 22° /17° | 0.1 mm | 5 | |
| 14 Oct. | Patchy rain possible | 22° /18° | 2.2 mm | 5 | |
| 15 Oct. | Patchy rain possible | 22° /18° | 2.3 mm | 5 | |
| 16 Oct. | Patchy rain possible | 21° /17° | 0.1 mm | 5 | |
| 17 Oct. | Sunny | 21° /17° | 0.2 mm | 5 | |
| 18 Oct. | Sunny | 24° /17° | 1.1 mm | 6 | |
| 19 Oct. | Patchy rain possible | 23° /17° | 3.3 mm | 5 | |
| 20 Oct. | Light rain shower | 18° /13° | 4.4 mm | 4 | |
| 21 Oct. | Partly cloudy | 19° /15° | 8.1 mm | 5 | |
| 22 Oct. | Overcast | 21° /16° | 6.1 mm | 5 | |
| 23 Oct. | Sunny | 19° /14° | 0.7 mm | 5 | |
| 24 Oct. | Partly cloudy | 18° /14° | 0 mm | 5 | |
| 25 Oct. | Sunny | 21° /15° | 0 mm | 6 | |
| 26 Oct. | Patchy rain possible | 21° /16° | 0.1 mm | 5 | |
| 27 Oct. | Sunny | 19° /16° | 0.3 mm | 5 | |
| 28 Oct. | Sunny | 18° /15° | 0.3 mm | 5 | |
| 29 Oct. | Sunny | 19° /15° | 1.9 mm | 5 | |
| 30 Oct. | Patchy rain possible | 20° /15° | 0 mm | 4 | |
| 31 Oct. | Sunny | 20° /16° | 0 mm | 6 | |
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Important Notice
Our weather forecast for Jeju-si in October 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-si forecast closer to your planned date for the most up-to-date weather information.
Jeju-si in October - FAQ
What are the expected maximum and minimum temperatures in Jeju-si during October?
During October, expect a variety of temperatures with highs around 20° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Jeju-si during October?
Expect minimal rainfall in Jeju-si during October, with a total of 16.8 mm over approximately 9 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Jeju-si during October?
The average wind speed in Jeju-si during October is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Jeju-si in October?
As you prepare for your trip to Jeju-si in October, 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 October, 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
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