2026 Climate Averages

Weather in Jeju Island in June

Conditions are pleasant for sightseeing, though you might encounter occasional showers.

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Climate Overview

June is a good time to visit Jeju Island. Jeju Island has a Warm climate with average yearly highs of 25°C, lows of 20°C, and approximately 12 rainy days per month.

Avg High

25°C

Avg Low

20°C

Rainy days

12days

Daylight

14.4h

Is June a good time to visit Jeju Island?

Conditions are pleasant for sightseeing, though you might encounter occasional showers.

Daylight

Sunrise

5:24 AM

Sunset

7:46 PM

Weather by Month
Monthly weather data
Month High Low Rainy days Condition
January 9°C 6°C 12 Good
February 10°C 5°C 11 Good
March 13°C 7°C 9 Good
April 14°C 8°C 7 Excellent (best)
May 21°C 15°C 9 Excellent (best)
June 25°C 20°C 12 Good
July 25°C 22°C 23 Wet
August 30°C 26°C 14 Wet
September 24°C 20°C 18 Excellent (best)
October 19°C 15°C 4 Excellent (best)
November 15°C 11°C 7 Good
December 9°C 5°C 8 Good

Weather data: Open-Meteo Archive (2020-2025) • Open-Meteo.com (CC BY 4.0) • Historical avg. 2020–2025

What to Pack for June

Lightweight clothes, sunglasses, sunscreen, and breathable fabrics.

Climate: Warm
Travel Context Great for outdoor dining and evening strolls.

Planning a trip to Jeju Island?

Common Questions

Is June a good time to visit Jeju Island? +

June is typically Good for visiting Jeju Island, with average highs of 25°C and around 12 rainy days.

What should I pack for Jeju Island in June? +

With highs of 25°C and lows of 20°C in {month}, we recommend: Lightweight clothes, sunglasses, sunscreen, and breathable fabrics.

Does it rain a lot in Jeju Island in June? +

Jeju Island typically sees around 12 rainy days in June.

How many hours of daylight are there in Jeju Island in June? +

In June, Jeju Island gets approximately 14.4 hours of daylight per day.

Is June peak season in Jeju Island? +

No, June is not peak season in Jeju Island. Expect better value on accommodation and fewer tourists.

What is the best month to visit Jeju Island? +

The best months to visit Jeju Island are April, May, September, October, when the weather is optimal for sightseeing.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Solar calculations: SunCalc (timezone: Asia/Seoul)

Last Updated: January 2026

More Jeju Island Guides

Best Time to Visit

Coming soon

Things to Do

Coming soon

Itineraries

Coming soon

Overview

Complete travel guide for Jeju Island: top things to do, itineraries, and typical costs.

Read Full Guide

June

25° / 20°
View Full Destination Guide