South KoreaThe weather in July in Jeju
It's hot in July in Jeju with an average temperature of 30°C. Temperatures this month range from a low of 28°C to a high of 32°C. At night, you can expect temperatures between 22°C and 26°C.
Looking for sun? July 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 July 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 36°C in 2017, Jeju reached the highest temperature in July over the past 10 years. The lowest daytime temperature in this month was 21°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of 18°C to a highest value of 30°C.
Water temperature
The water temperature at Jeju is 25°C this month. Lovely temperature for a swim.
Rainfall amount
In July, there is an average of 218 mm of precipitation, spread over 20 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
Daily weather in July for Jeju
Click on any day in July 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.
July weather comparison
| Jeju | New York | |
|---|---|---|
| Average temperature | 30°C | 31°C |
| Max. temperature | 32°C | 33°C |
| Min. temperature | 22°C | -5°C |
| Total precipitation | 218 mm | 160 mm |
| Rainy days | 20 days | 18 days |
Start of July
The month of July starts in Jeju with hot temps, averaging around 29°C during the day and nights around 24°C.
Mid July
By mid-July, daytime temps rise to around 30°C, with nights around 25°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of July
By the end of July, the average daytime temperature in Jeju is around 32°C, while nighttime temps are about 26°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 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 July 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 July in Jeju
Temperature in July in Jeju over the years
Precipitation charts
These charts show the average amount of precipitation in July 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 July in Jeju
Total precipitation in July in Jeju over the years
Daily UV index in July in Jeju
This chart shows the average daily UV index in July 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 July in Jeju
Have you been to Jeju in July?
Share your weather experience in July 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.