
Thinking about a trip to the stunning volcanic island of Jeju? Understanding the Jeju climate and Jeju weather is key to planning the perfect getaway. This comprehensive guide will delve into the Jeju weather by month, helping you pack your bags and prepare for an unforgettable experience, no matter when you choose to visit. We'll cover everything from the Jeju weather forecast to the best times to explore this beautiful island.
Kicking off the year, January weather in Jeju is typically the coldest. Expect crisp, chilly days and the possibility of snow. Knowing the temperature in Jeju in January is crucial for packing appropriately.
The average temperature in Jeju during January ranges from a high of 7°C (45°F) to a low of 1°C (34°F). It's winter, so wrap up warm! Pack layers, including a heavy coat, a warm hat, gloves, and a scarf. Don't forget waterproof boots in case of snow or rain.
February weather in Jeju starts to show signs of spring, although it's still quite cold. The February weather in Jeju can be unpredictable, with occasional snow and rain. Checking the Jeju weather February forecast is a good idea before you go.
The average temperature in Jeju in February hovers between 8°C (46°F) and 2°C (36°F). It's still winter, so pack similar clothing to January. Layers are your friend! A warm coat, sweaters, and waterproof shoes are essential.
As March rolls around, the March weather in Jeju begins to warm up, and the island starts to bloom. You'll notice a shift from the depths of winter. Understanding the Jeju weather March conditions will help you plan your activities.
The average temperature in Jeju in March is between 11°C (52°F) and 5°C (41°F). Spring is in the air! Pack layers, including a light jacket, sweaters, and long-sleeved shirts. You might also want to bring a light scarf and gloves for cooler evenings.
April weather in Jeju is a delight, with beautiful blossoms and pleasant temperatures. The april weather in Jeju is generally mild and sunny, making it a popular time to visit. Knowing the temperature in Jeju in April will help you pack accordingly.
The average temperature in Jeju in April ranges from 16°C (61°F) to 9°C (48°F). Spring is in full swing! Pack light layers, including t-shirts, long-sleeved shirts, and a light jacket. Sunglasses and sunscreen are also a good idea.
May weather in Jeju is simply gorgeous, with warm temperatures and plenty of sunshine. The may weather in Jeju is ideal for outdoor activities and exploring the island's natural beauty. Checking the Jeju weather May forecast will help you plan your itinerary.
The average temperature in Jeju in May is between 21°C (70°F) and 14°C (57°F). It's springtime, so pack light, breathable clothing. T-shirts, shorts, and a light jacket or cardigan are perfect. Don't forget your sunglasses and sunscreen.
June weather in Jeju marks the beginning of the rainy season, but it's still a lovely time to visit. The june weather in Jeju is warm and humid, with occasional showers. Staying updated on the Jeju weather June forecast is recommended.
The average temperature in Jeju in June is between 25°C (77°F) and 19°C (66°F). It's summer, so pack light, breathable clothing. T-shirts, shorts, and a light rain jacket are essential. An umbrella is also a good idea.
July weather in Jeju is hot and humid, with frequent rain. The july weather in Jeju is typical of the summer months, with high temperatures and occasional typhoons. Keep an eye on the Jeju weather July updates.
The average temperature in Jeju in July is between 29°C (84°F) and 24°C (75°F). It's summer, so pack light, breathable clothing. T-shirts, shorts, and a light rain jacket are essential. An umbrella is also a good idea.
August weather in Jeju is similar to July, with hot and humid conditions. The august weather in Jeju can be challenging, with high temperatures and the possibility of typhoons. Checking the temperature in Jeju in August is important for planning.
The average temperature in Jeju in August is between 31°C (88°F) and 25°C (77°F). It's summer, so pack light, breathable clothing. T-shirts, shorts, and a light rain jacket are essential. An umbrella is also a good idea.
September weather in Jeju starts to cool down, with the end of the typhoon season. The september weather in Jeju is still warm, but with less humidity than the previous months. Knowing the temperature in Jeju in September will help you pack.
The average temperature in Jeju in September is between 27°C (81°F) and 22°C (72°F). It's transitioning to autumn, so pack light layers. T-shirts, long-sleeved shirts, and a light jacket are ideal. An umbrella might still be useful.
October weather in Jeju is one of the best times to visit, with pleasant temperatures and beautiful autumn foliage. The october weather in Jeju is generally mild and sunny. Checking the Jeju weather October forecast is a good idea.
The average temperature in Jeju in October is between 21°C (70°F) and 15°C (59°F). Autumn is in full swing! Pack layers, including sweaters, long-sleeved shirts, and a light jacket. Sunglasses are still recommended.
November weather in Jeju brings cooler temperatures and the start of winter. The november weather in Jeju is crisp and clear, with beautiful autumn colours. Knowing the november weather conditions is essential for planning.
The average temperature in Jeju in November is between 15°C (59°F) and 9°C (48°F). It's autumn transitioning to winter, so pack layers, including sweaters, a jacket, and a scarf. Waterproof shoes are also a good idea.
December Jeju weather is cold, with the potential for snow. The december weather in Jeju is typical of winter, with chilly temperatures and the possibility of rain or snow. Checking the december weather in Jeju forecast is crucial.
The average temperature in Jeju in December ranges from 10°C (50°F) to 4°C (39°F). It's winter, so pack warm clothing, including a heavy coat, a hat, gloves, and a scarf. Waterproof boots are also recommended.
Mon, 20 Apr 2026

T’way Air
Singapore (SIN) to Jeju (CJU)
Start from S$269.58
Wed, 22 Apr 2026

T’way Air
Singapore (SIN) to Jeju (CJU)
Start from S$327.97
Sun, 26 Apr 2026

Scoot
Singapore (SIN) to Jeju (CJU)
Start from S$402.31
Here are some attractions suitable for each season:
The best time to visit Jeju Island depends on your preferences. For pleasant weather and blooming flowers, spring (April-May) is ideal. Autumn (September-October) offers comfortable temperatures and stunning foliage. Summer (June-August) is hot and humid, with the possibility of typhoons, while winter (December-February) is cold, with the chance of snow. Consider the current weather in Jeju and the Jeju weather now when making your plans.
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