Jeju Climate (Weather Averages)

The Climate Guide for Jeju, South Korea is perfect for planning your holiday. Monthly weather averages give the best indication of what the weather is usually like for every month of the year including figures for temperature, rainfall and sunshine.

Jeju Weather South Korea Summary Jeju Climate Jeju Today Jeju Forecast Jeju When Best
Jeju Weather South Korea Summary Jeju Climate Jeju Today Jeju Forecast Jeju When Best
J F M A M J J A S O N D
Max Daytime Temperature (°C) 8°C (46°F) Max Daytime Temperature in January in Jeju 9°C (48°F) Max Daytime Temperature in February in Jeju 12°C (54°F) Max Daytime Temperature in March in Jeju 17°C (63°F) Max Daytime Temperature in April in Jeju 21°C (70°F) Max Daytime Temperature in May in Jeju 24°C (75°F) Max Daytime Temperature in June in Jeju 28°C (82°F) Max Daytime Temperature in July in Jeju 29°C (84°F) Max Daytime Temperature in August in Jeju 26°C (79°F) Max Daytime Temperature in September in Jeju 21°C (70°F) Max Daytime Temperature in October in Jeju 16°C (61°F) Max Daytime Temperature in November in Jeju 11°C (52°F) Max Daytime Temperature in December in Jeju
Min Night-time Temperature (°C) 3°C (37°F) Min Night-time Temperature in January in Jeju 3°C (37°F) Min Night-time Temperature in February in Jeju 5°C (41°F) Min Night-time Temperature in March in Jeju 10°C (50°F) Min Night-time Temperature in April in Jeju 14°C (57°F) Min Night-time Temperature in May in Jeju 18°C (64°F) Min Night-time Temperature in June in Jeju 23°C (73°F) Min Night-time Temperature in July in Jeju 24°C (75°F) Min Night-time Temperature in August in Jeju 20°C (68°F) Min Night-time Temperature in September in Jeju 14°C (57°F) Min Night-time Temperature in October in Jeju 9°C (48°F) Min Night-time Temperature in November in Jeju 5°C (41°F) Min Night-time Temperature in December in Jeju
Hours of Sunshine (Daily) 4 Hours of Bright Sunshine per day (38% of Daylight Hours) in January in Jeju 5 Hours of Bright Sunshine per day (44% of Daylight Hours) in February in Jeju 6 Hours of Bright Sunshine per day (51% of Daylight Hours) in March in Jeju 7 Hours of Bright Sunshine per day (51% of Daylight Hours) in April in Jeju 7 Hours of Bright Sunshine per day (52% of Daylight Hours) in May in Jeju 6 Hours of Bright Sunshine per day (43% of Daylight Hours) in June in Jeju 6 Hours of Bright Sunshine per day (44% of Daylight Hours) in July in Jeju 7 Hours of Bright Sunshine per day (55% of Daylight Hours) in August in Jeju 6 Hours of Bright Sunshine per day (51% of Daylight Hours) in September in Jeju 6 Hours of Bright Sunshine per day (56% of Daylight Hours) in October in Jeju 5 Hours of Bright Sunshine per day (50% of Daylight Hours) in November in Jeju 4 Hours of Bright Sunshine per day (41% of Daylight Hours) in December in Jeju
Hours of Daylight (Daily) 10 Hours of Daylight in January in Jeju 11 Hours of Daylight in February in Jeju 12 Hours of Daylight in March in Jeju 13 Hours of Daylight in April in Jeju 14 Hours of Daylight in May in Jeju 14 Hours of Daylight in June in Jeju 14 Hours of Daylight in July in Jeju 13 Hours of Daylight in August in Jeju 12 Hours of Daylight in September in Jeju 11 Hours of Daylight in October in Jeju 10 Hours of Daylight in November in Jeju 10 Hours of Daylight in December in Jeju
Heat and Humidity Discomfort No Heat & Humidity in January in Jeju No Heat & Humidity in February in Jeju No Heat & Humidity in March in Jeju No Heat & Humidity in April in Jeju No Heat & Humidity in May in Jeju Low Heat & Humidity in June in Jeju Moderate Heat & Humidity in July in Jeju High Heat & Humidity in August in Jeju Low Heat & Humidity in September in Jeju No Heat & Humidity in October in Jeju No Heat & Humidity in November in Jeju No Heat & Humidity in December in Jeju
Days with some Rainfall 12 Days with some Rainfall in January in Jeju 11 Days with some Rainfall in February in Jeju 10 Days with some Rainfall in March in Jeju 11 Days with some Rainfall in April in Jeju 10 Days with some Rainfall in May in Jeju 12 Days with some Rainfall in June in Jeju 13 Days with some Rainfall in July in Jeju 11 Days with some Rainfall in August in Jeju 10 Days with some Rainfall in September in Jeju 7 Days with some Rainfall in October in Jeju 9 Days with some Rainfall in November in Jeju 10 Days with some Rainfall in December in Jeju
Monthly Rainfall (mm) 61 mm (2.4 inches) Monthly Rainfall in January in Jeju 67 mm (2.6 inches) Monthly Rainfall in February in Jeju 78 mm (3.1 inches) Monthly Rainfall in March in Jeju 114 mm (4.5 inches) Monthly Rainfall in April in Jeju 106 mm (4.2 inches) Monthly Rainfall in May in Jeju 191 mm (7.5 inches) Monthly Rainfall in June in Jeju 221 mm (8.7 inches) Monthly Rainfall in July in Jeju 241 mm (9.5 inches) Monthly Rainfall in August in Jeju 197 mm (7.8 inches) Monthly Rainfall in September in Jeju 65 mm (2.6 inches) Monthly Rainfall in October in Jeju 69 mm (2.7 inches) Monthly Rainfall in November in Jeju 45 mm (1.8 inches) Monthly Rainfall in December in Jeju
UV Index (Maximum) UV (Maximum) Index 3 (Moderate) in January in Jeju UV (Maximum) Index 4 (Moderate) in February in Jeju UV (Maximum) Index 6 (High) in March in Jeju UV (Maximum) Index 8 (Very High) in April in Jeju UV (Maximum) Index 9 (Very High) in May in Jeju UV (Maximum) Index 10 (Very High) in June in Jeju UV (Maximum) Index 11 (Extreme) in July in Jeju UV (Maximum) Index 10 (Very High) in August in Jeju UV (Maximum) Index 8 (Very High) in September in Jeju UV (Maximum) Index 6 (High) in October in Jeju UV (Maximum) Index 4 (Moderate) in November in Jeju UV (Maximum) Index 3 (Moderate) in December in Jeju
Sea Temperature (°C) 14°C (57°F) Sea Temperature in January in Jeju 13°C (55°F) Sea Temperature in February in Jeju 13°C (55°F) Sea Temperature in March in Jeju 14°C (57°F) Sea Temperature in April in Jeju 16°C (61°F) Sea Temperature in May in Jeju 20°C (68°F) Sea Temperature in June in Jeju 24°C (75°F) Sea Temperature in July in Jeju 27°C (81°F) Sea Temperature in August in Jeju 25°C (77°F) Sea Temperature in September in Jeju 22°C (72°F) Sea Temperature in October in Jeju 19°C (66°F) Sea Temperature in November in Jeju 16°C (61°F) Sea Temperature in December in Jeju
J F M A M J J A S O N D
 		    
 

Jeju Climate Zone

Jeju has a warm temperate climate with hot summers and some rainfall in all months.
Jeju Holidays Jeju Flights Jeju Hotels Jeju Hire Cars Jeju Villas Jeju Transfers
Jeju Holidays Jeju Flights Jeju Hotels Jeju Hire Cars Jeju Villas Jeju Transfers

  Busan   Cheongju   Daegu   Donghae   Gyeongju   Mokpo   Seoul   Sokcho  

Jeju Weather by Month
Check the weather for a particular month in Jeju by selecting a month from the list below. Alternatively check which month usually has the Best Weather in Jeju. If you are not sure where to go, why not try our Holiday Planner.
  · January
  · February
  · March
   · April
  · May
  · June
   · July
  · August
  · September
   · October
  · November
  · December
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