South KoreaThe weather in October in Jeju
It's pleasantly warm in October in Jeju with an average temperature of 22°C. Temperatures this month range from a low of 19°C to a high of 26°C. At night, you can expect temperatures between 14°C and 20°C.
Looking for sun? October isn’t a good month to be in Jeju. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in October for Jeju, South Korea. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 31°C in 2021, Jeju reached the highest temperature in October over the past 10 years. The lowest daytime temperature in this month was 14°C in 2015. The extreme nighttime temperatures ranged from a lowest recorded value of 9°C to a highest value of 24°C.
Water temperature
The water temperature at Jeju is 22°C this month. Pleasant for a swim.
Rainfall amount
In October, there is an average of 134 mm of precipitation, spread over 11 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
Daily weather in October for Jeju
Click on any day in October to get detailed info about the usual weather on that day in Jeju. Check out the historical temperatures and precipitation over the past 10 years on this day.
October weather comparison
| Jeju | New York | |
|---|---|---|
| Average temperature | 22°C | 21°C |
| Max. temperature | 26°C | 26°C |
| Min. temperature | 14°C | -5°C |
| Total precipitation | 134 mm | 119 mm |
| Rainy days | 11 days | 13 days |
Start of October
The month of October starts in Jeju with warm temps, averaging around 24°C during the day and nights around 19°C.
Mid October
By mid-October, daytime temps drop to around 22°C, with nights around 17°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of October
By the end of October, the average daytime temperature in Jeju is around 21°C, while nighttime temps are about 15°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Check out the climate of Jeju for all months and discover the best travel time
Curious about the weather in other parts of South Korea? Check out the climate and weather for spots like Seoul, Busan, or explore other destinations in South Korea.
Temperature charts
These charts show the average temperatures in October in Jeju, South Korea. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in October in Jeju
Temperature in October in Jeju over the years
Precipitation charts
These charts show the average amount of precipitation in October in Jeju, South Korea. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in October in Jeju
Total precipitation in October in Jeju over the years
Daily UV index in October in Jeju
This chart shows the average daily UV index in October in Jeju, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in October in Jeju
Have you been to Jeju in October?
Share your weather experience in October in Jeju.
Average weather in Jeju by month
Click on a month below to see detailed weather info for Jeju. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.