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Climate · Jeju

Jeju in June

Warm and damp, as the days hold steady.

Typical weather, averaged over 30 years

June in Jeju is warm: highs near 77°F, lows near 66°F. Rain falls on about three days a week, more often as the month goes on, and daylight holds at about 14 hours 20 minutes.June in Jeju is warm: highs near 25°C, lows near 19°C. Rain falls on about three days a week, more often as the month goes on, and daylight holds at about 14 hours 20 minutes.

High
77°F25°Caverage
Low
66°F19°Caverage
Wet days
3a week · 39% of days
Daylight
14h 20mon average

Is June a good time to visit Jeju?

Yes. June is one of Jeju's best months (May to June, or October).

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How June sits in the year

week by week

Temperature

Highs near 77°F in June, against 49°F to 87°F through the year.Highs near 25°C in June, against 9°C to 31°C through the year.

Chance of a wet day

39% of days in June, against 28% to 51% through the year.

Cloud cover

61% cover in June, against 35% to 64% through the year.

Daylight

14h 20m in June, against 9h 58m to 14h 20m through the year.

Week by week, lightly smoothed, with June shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. May71°22°low 59°low 15°2 wet days a weekRain on about two days a week.
  2. June77°25°low 66°low 19°3 wet days a weekRain on about three days a week.
  3. July84°29°low 74°low 23°4 wet days a weekRain on about four days a week.

Where Jeju sits, in June

Asia/Seoul
this place
typical high in June 40°F4°C95°F35°C
Sunrise, mid-June
5:23 AMsets 7:45 PM
Above the sea
60 mlow-lying
Latitude
33.5°Nnorthern hemisphere
Nearest of ours
Busan299 km north-east

The land around Jeju, shaded by its typical high in June, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in South Korea in June

high · low · wet days
  • Seoul83°28° · 63°17° 2
  • Busan78°26° · 65°18° 2
See June on the planning mapThe whole year in Jeju

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Jeju. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (60 m) against the climate model's (270 m).Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (60 m) against the climate model's (270 m). Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.