When to go · Jeju City
Jeju City, month by month
The best months for Jeju City: Apr, May, Jun, Sep, Oct. Months to avoid: Jul, Aug.
Month by month
- JanuaryGoodOutside the best window (Apr–Jun and Sep–Oct (mild, before summer humidity and after typhoon season)). Across South Korea: Cold and dry, low prices; ski in Gangwon; Seollal can fall late in the month — check.8 °C (46 °F) / 3 °C (37 °F), 10 rain days46 °F (8 °C) / 37 °F (3 °C), 10 rain daysCrowds: Low · 1 festival or holiday
- FebruaryMixedOutside the best window (Apr–Jun and Sep–Oct (mild, before summer humidity and after typhoon season)). Across South Korea: Seollal shuts shops for 3 days in most years; the rest of the month is cold and quiet.9 °C (48 °F) / 3 °C (37 °F), 9 rain days48 °F (9 °C) / 37 °F (3 °C), 9 rain daysCrowds: Medium · 1 festival or holiday
- MarchMixedOutside the best window (Apr–Jun and Sep–Oct (mild, before summer humidity and after typhoon season)). Across South Korea: Cold start, fine dust peaks; cherry blossom reaches Jeju and Busan late in the month.13 °C (55 °F) / 6 °C (43 °F), 10 rain days55 °F (13 °C) / 43 °F (6 °C), 10 rain daysCrowds: Medium
- AprilGreatInside Jeju City's best window: Apr–Jun and Sep–Oct (mild, before summer humidity and after typhoon season).18 °C (64 °F) / 10 °C (50 °F), 9 rain days64 °F (18 °C) / 50 °F (10 °C), 9 rain daysCrowds: High
- MayGreatInside Jeju City's best window: Apr–Jun and Sep–Oct (mild, before summer humidity and after typhoon season).22 °C (72 °F) / 14 °C (57 °F), 9 rain days72 °F (22 °C) / 57 °F (14 °C), 9 rain daysCrowds: High
- JuneGreatInside Jeju City's best window: Apr–Jun and Sep–Oct (mild, before summer humidity and after typhoon season).25 °C (77 °F) / 18 °C (64 °F), 11 rain days77 °F (25 °C) / 64 °F (18 °C), 11 rain daysCrowds: Medium
- JulyAvoidListed as a month to avoid: Jul (rainy season) and Aug–Sep (peak typhoon risk).29 °C (84 °F) / 23 °C (73 °F), 12 rain days84 °F (29 °C) / 73 °F (23 °C), 12 rain daysCrowds: High
- AugustAvoidListed as a month to avoid: Jul (rainy season) and Aug–Sep (peak typhoon risk).30 °C (86 °F) / 24 °C (75 °F), 12 rain days86 °F (30 °C) / 75 °F (24 °C), 12 rain daysCrowds: High
- SeptemberGreatInside Jeju City's best window: Apr–Jun and Sep–Oct (mild, before summer humidity and after typhoon season).26 °C (79 °F) / 20 °C (68 °F), 11 rain days79 °F (26 °C) / 68 °F (20 °C), 11 rain daysCrowds: Medium · 1 festival or holiday
- OctoberGreatInside Jeju City's best window: Apr–Jun and Sep–Oct (mild, before summer humidity and after typhoon season).22 °C (72 °F) / 14 °C (57 °F), 7 rain days72 °F (22 °C) / 57 °F (14 °C), 7 rain daysCrowds: High · 1 festival or holiday
- NovemberGoodOutside the best window (Apr–Jun and Sep–Oct (mild, before summer humidity and after typhoon season)). Across South Korea: Colour moves south to Seoul's palaces early in the month; cold arrives by the end.16 °C (61 °F) / 9 °C (48 °F), 9 rain days61 °F (16 °C) / 48 °F (9 °C), 9 rain daysCrowds: Medium
- DecemberGoodOutside the best window (Apr–Jun and Sep–Oct (mild, before summer humidity and after typhoon season)). Across South Korea: Cold and dry; Christmas markets and lights in Seoul; ski season opens.10 °C (50 °F) / 4 °C (39 °F), 10 rain days50 °F (10 °C) / 39 °F (4 °C), 10 rain daysCrowds: Medium
Compare two months
Weather, crowds and prices for any two months in Jeju City, side by side.
Verdict
Apr: Great
May: Great
Daytime high
Apr: 18 °C (64 °F)64 °F (18 °C)
May: 22 °C (72 °F)72 °F (22 °C)
Night low
Apr: 10 °C (50 °F)50 °F (10 °C)
May: 14 °C (57 °F)57 °F (14 °C)
Rain days
Apr: 9
May: 9
Crowds
Apr: High
May: High
Prices
Apr: High
May: High
Festivals listed
Apr: 0
May: 0
April: Inside Jeju City's best window: Apr–Jun and Sep–Oct (mild, before summer humidity and after typhoon season).
May: Inside Jeju City's best window: Apr–Jun and Sep–Oct (mild, before summer humidity and after typhoon season).
Jeju City: figures are long-term averages from this guide, not a forecast.