Jeju

Jeju Island Weather in July

Average temperatures, rainfall, sunshine and the best places to visit in Jeju Island, South Korea in July.

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Jeju Seogwipo

Are you planning a trip a to Jeju Island, South Korea in July and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Jeju Island in July

Jeju Island, South Korea is a region in South Korea. July in Jeju Island generally has warm temperatures, with heavy precipitation. July is a summer month.

Temperatures

You can expect warm maximum daytime temperatures of around 28°C (82°F) and nighttime temperatures around 24°C (75°F) in Jeju.

For a closer look at conditions across Jeju Island, South Korea, refer to the map below.

Precipitation

In July, precipitation varies across different areas. From heavy rainfall in Jeju with an average of 189 mm (7.4 in) to heavy rainfall in Seogwipo with 233 mm (9.2 in).

Average sunshine

July brings good sunshine to many areas. Jeju sees around 195 hours of sunlight, great for visitors looking for bright days.

Explore Jeju Island by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Best Places to Visit in Jeju Island in July

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Jeju Island.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Jeju Island

What is the weather like in July for some of the most popular destinations in Jeju Island, South Korea?

Temperature range in Jeju Island (July)

Precipitation variation in Jeju Island (July)

Jeju

In July Jeju generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 24°C (75°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.

« June
July
August »
June
July
August
Max temperature
23°C (73°F)
28°C (82°F)
29°C (84°F)
Min temperature
19°C (66°F)
24°C (75°F)
25°C (77°F)
Monthly sun hours
170 hours
195 hours
193 hours
Monthly rainfall
203 mm (8 in)
189 mm (7.4 in)
175 mm (6.9 in)
Monthly rainy days
13 days
15 days
13 days
Weather conditions
unpleasant
tolerable
pleasant
Climate in Jeju →

Seogwipo

In July Seogwipo generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 24°C (75°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

« June
July
August »
June
July
August
Max temperature
25°C (77°F)
29°C (84°F)
30°C (86°F)
Min temperature
19°C (66°F)
24°C (75°F)
25°C (77°F)
Monthly sun hours
145 hours
142 hours
186 hours
Monthly rainfall
243 mm (9.6 in)
233 mm (9.2 in)
229 mm (9 in)
Monthly rainy days
13 days
15 days
13 days
Weather conditions
unpleasant
unpleasant
poor
Climate in Seogwipo →

Is your destination not in the list? Have a look at all destinations in Jeju Island, in South Korea.

In our records: South Korea July extremes

Notable July records observed across cities in South Korea in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest July day in South Korea reached 42°C (108°F) in Hadong on July 17, 1981.

Popular cities in July

Day & night temperatures, rainfall and average weather in Jeju Island in July.

City Weather Day temp Night temp Rainfall
Jeju 28°C (82°F) 24°C (75°F) 189 mm (7.4 in)
Seogwipo 29°C (84°F) 24°C (75°F) 233 mm (9.2 in)

Jeju Island weather in July: frequently asked questions

What is the weather like in Jeju Island, South Korea in July?

Expect tolerable weather across Jeju Island, South Korea in July. The popular destination of Jeju averages 28°C (82°F) by day and 24°C (75°F) at night during this summer month.

What is the average temperature in Jeju Island, South Korea in July?

Daytime temperatures in Jeju peak at roughly 28°C (82°F) in July, dropping to about 24°C (75°F) overnight.

Does Jeju Island, South Korea get a lot of rain in July?

Yes. July brings heavy rainfall to Jeju Island, South Korea, with Jeju averaging around 189 mm (7.4 in). Expect frequent showers and pack accordingly.

Is July a Good Time to Visit Jeju Island, South Korea?

In our opinion, July is a good time to visit Jeju Island, South Korea with overall tolerable weather in Jeju. It's worth noting that weather conditions might differ depending on the location you visit.

On average, the best time to visit Jeju Island, South Korea is in October with generally perfect weather in Jeju. On the other hand, the weather in January and February tend to be poor.

Interested in more climate information?

We have much more information about the climate in Jeju Island.

Weather and climate has detailed information for every country in the world. Are you going to South Korea? Get detailed historical weather averages for many cities in South Korea.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.

Mud festival in South Korea

In July, the peaceful seaside town of Boryeong turned into a chaos of mud for 9 days. We recommend putting this festival on your bucket list.
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