Mud festival in South Korea
In July, the peaceful seaside town of Boryeong turned into a chaos of mud for 9 days. We recommend putting this festival on your bucket list.
December in Geoje brings low temperatures, with daytime highs of 11°C (52°F) and nights around 5°C (41°F). Rainfall is at its lowest this month, making it one of the more reliable months to be outdoors.
If your ideal day consists of dry skies and pleasant temperatures, October typically offers the best circumstances for Geoje.
Pick a month to see the average temperature, rainfall and sunshine in Geoje - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Geoje typically drop from around 11°C (52°F) at the start of December to approximately 8°C (46°F) by the end. Nights are very cold, with lows typically ranging from -3°C (27°F) to 1°C (34°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Geoje spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
According to our 49 years of weather records for Geoje, the following extremes were recorded between 1976 and 2025.
Find out more about the weather in South Korea and which places have the best travel conditions in this month. See all of South Korea in December →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Pack for changing conditions in Geoje in December. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Pack a light rain jacket or compact umbrella for occasional showers. Sunglasses could come in handy during the sunnier parts of your trip.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Geoje climate overview or explore weather in South Korea.
Where to go in December - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
Mud festival in South Korea
In July, the peaceful seaside town of Boryeong turned into a chaos of mud for 9 days. We recommend putting this festival on your bucket list.
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