Jeju Province · South Korea

Jeju in June

In June, Jeju averages a daytime high of 25 °C and a night-time low of 18 °C, with about 222 mm of rain over the month. Jeju has no month that is both mild and dry by the measure used here.

Average high
25 °C
Average low
18 °C
Rain in the month
222 mm
Daylight on 15 Jun
14 h 20 min
Comfortable month
No
Places to stay
109

When to go

How June compares with the rest of the year in Jeju

June is the 4th warmest month in Jeju by average daytime high; across the year the highs run from 9 °C to 30 °C and the lows from 2 °C to 24 °C. By day, June is 3 °C warmer than May, and July is 4 °C warmer than June.

June brings 222 mm of rain, more than the monthly average of 144 mm (1734 mm a year); it is the 3rd wettest month.

On 15 June the sun is up for about 14 h 20 min, against 10 h at the shortest and 14 h 20 min at the longest point of the year (calculated from the latitude, sunrise to sunset).

0°15°30°JanFebMarAprMayJunJulAugSepOctNovDec306 mm
Average highAverage lowRain per monthComfortable months
MonthHighLowRainDaylightComfortable
January9 °C2 °C62 mm10 h 10 min
February10 °C3 °C74 mm11 h
March14 °C6 °C109 mm12 h
April18 °C9 °C120 mm13 h
May22 °C14 °C144 mm13 h 50 min
June25 °C18 °C222 mm14 h 20 min
July29 °C23 °C272 mm14 h 10 min
August30 °C24 °C306 mm13 h 20 min
September26 °C20 °C198 mm12 h 20 min
October22 °C15 °C99 mm11 h 10 min
November17 °C9 °C72 mm10 h 20 min
December11 °C4 °C55 mm10 h

Comfortable means average daytime high between 18 °C and 29 °C and under 80 mm of rain in the month. Averages for 1991–2020 over the surrounding area, a grid square about 50 km across, so a coast or a nearby mountain can make the town itself warmer or cooler. Data: CRU TS v4.10, Climatic Research Unit, University of East Anglia (Open Database License).

When to go

Is June a good time to visit Jeju?

Not by the measure used here: about 222 mm of rain is 80 mm or more. No month in Jeju meets it.

The measure is about weather for a city stay only; it says nothing about events, school holidays or prices.

Public holidays in South Korea in June

Nationwide public holidays; shops and offices may close on these dates.

3 Jun 2026 · Local Election Day6 Jun 2026 · Memorial Day6 Jun 2027 · Memorial Day

Where to stay

Where to stay in Jeju

This guide lists 109 places to stay in Jeju, hotels recorded in Wikidata. By straight-line distance from the centre: under 1 km, 15; 1–3 km, 18; 3–10 km, 66; 10 km or more, 10.

← Jeju in MayJeju in July →

Sources: climate from CRU TS v4.10 (Climatic Research Unit, University of East Anglia; Open Database License), 1991–2020 averages; day length calculated from the latitude; public holidays from python-holidays (MIT); places to stay from each operator's own public pages and Wikidata. How this guide is made.