Climate · Jeju

Jeju in July

Warm and wet, as the days shorten.

Typical weather, averaged over 30 years

July in Jeju is warm: highs near 84°F, lows near 74°F. Rain falls on about four days a week, less often as the month goes on, and the days shorten by 22 minutes from the first week to the last.July in Jeju is warm: highs near 29°C, lows near 23°C. Rain falls on about four days a week, less often as the month goes on, and the days shorten by 22 minutes from the first week to the last.

High
84°F29°Caverage
Low
74°F23°Caverage
Wet days
4a week · 51% of days
Daylight
14h 07mon average

Is July a good time to visit Jeju?


A good month, just outside Jeju's best months, which run in two parts: 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 July sits in the year

week by week

Temperature

Highs near 84°F in July, against 49°F to 87°F through the year.Highs near 29°C in July, against 9°C to 31°C through the year.

Chance of a wet day

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

Cloud cover

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

Daylight

14h 07m in July, against 9h 58m to 14h 20m through the year.

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

Either side


  1. June77°25°low 66°low 19°3 wet days a weekRain on about three days a week.
  2. July84°29°low 74°low 23°4 wet days a weekRain on about four days a week.
  3. August87°31°low 77°low 25°3 wet days a weekRain on about three days a week.

Where Jeju sits, in July

Asia/Seoul

this place
typical high in July 40°F4°C95°F35°C
Sunrise, mid-July
5:34 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 July, 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 July

high · low · wet days

  • Seoul85°29° · 70°21° 4
  • Busan82°28° · 72°22° 4

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.