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City in Jeonbuk, South Korea

Jeonju weather by month and the best time to visit

Updated October 2026Sources
Apr–May, Sep–NovBest time to visit

When to go to Jeonju

Apr–May and Sep–Nov are mild; autumn is clear and pleasant. Jul–Aug is hot and humid; Dec–Feb is cold and dry.

Jeonju weather by month

Average daily high, rainfall and conditions.

PleasantHotRainyCool or coldBest months
-5°5°15°25°JFMAMJJASOND
Average highAverage lowRainfall

Monthly averages

MonthHighLowRainHumidityConditions
January3°C37°F-5°C23°F27 mm77%Freezing
February5°C42°F-4°C26°F39 mm74%Cold
March11°C51°F0°C31°F50 mm74%Cold
April17°C63°F5°C41°F85 mm73%Cool
May23°C73°F11°C52°F85 mm75%Pleasant
June27°C80°F16°C62°F136 mm77%Pleasant
July29°C83°F21°C70°F317 mm85%Very wet
August29°C85°F22°C72°F261 mm83%Rainy
September25°C78°F16°C62°F134 mm81%Pleasant
October20°C67°F9°C49°F56 mm78%Pleasant
November12°C54°F3°C37°F45 mm77%Cool
December5°C41°F-3°C27°F32 mm78%Cold

Best months across South Korea

PlaceBest monthsWarmest month
SeoulApr–May, Sep–NovAug (28°C)
BusanApr–May, Sep–OctAug (27°C)
JejuApr–May, Sep–OctAug (28°C)
GyeongjuApr–May, Oct–NovAug (28°C)
SeogwipoApr–May, Sep–OctAug (28°C)
IncheonApr–May, Sep–OctAug (28°C)
JeonjuApr–May, Sep–NovAug (29°C)
SokchoMay–Jun, Sep–OctAug (27°C)
GangneungMay–Jun, Sep–OctAug (27°C)
DaeguApr–May, Sep–OctAug (30°C)
YeosuApr–May, Sep–OctAug (30°C)

Quick answers

What is the best month to visit Jeonju?

Apr–May, Sep–Nov. Apr–May and Sep–Nov are mild; autumn is clear and pleasant. Jul–Aug is hot and humid; Dec–Feb is cold and dry.

When is the rainy season in Jeonju?

Rain peaks in July with about 317 mm. Months with 150 mm or more: Jul–Aug.

What is the hottest month in Jeonju?

August, with average highs of 29°C (85°F).

How cold does Jeonju get?

The coolest nights are in January, averaging -5°C (23°F).

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Sources

Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.