Climate · Jeju

Jeju in April

Mild and damp, as the days lengthen.

Typical weather, averaged over 30 years

April in Jeju is mild: highs near 63°F, lows near 51°F. Rain falls on about two days a week, and the days lengthen by 42 minutes from the first week to the last.April in Jeju is mild: highs near 17°C, lows near 11°C. Rain falls on about two days a week, and the days lengthen by 42 minutes from the first week to the last.

High
63°F17°Caverage
Low
51°F11°Caverage
Wet days
2a week · 31% of days
Daylight
12h 59mon average

Is April a good time to visit Jeju?


April sits outside Jeju's best months, which run in two parts: May to June, or October. Expect mild days and rain on about two days a week.

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 April sits in the year

week by week

Temperature

Highs near 63°F in April, against 49°F to 87°F through the year.Highs near 17°C in April, against 9°C to 31°C through the year.

Chance of a wet day

31% of days in April, against 28% to 51% through the year.

Cloud cover

51% cover in April, against 35% to 64% through the year.

Daylight

12h 59m in April, against 9h 58m to 14h 20m through the year.

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

Either side


  1. March56°13°low 44°low 7°2 wet days a weekRain on about two days a week.
  2. April63°17°low 51°low 11°2 wet days a weekRain on about two days a week.
  3. May71°22°low 59°low 15°2 wet days a weekRain on about two days a week.

Where Jeju sits, in April

Asia/Seoul

this place
typical high in April 40°F4°C95°F35°C
Sunrise, mid-April
6:05 AMsets 7:04 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 April, 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 April

high · low · wet days

  • Busan64°18° · 49°9° 2
  • Seoul64°18° · 42°6° 2

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.