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.
Thinking of visiting Changwon in December? Expect low temperatures reaching 10°C (50°F) during the day, dropping to -1°C (30°F) at night, with the driest conditions of the year.
If your ideal day consists of dry skies and pleasant temperatures, October typically offers the best circumstances for Changwon.
Pick a month to see the average temperature, rainfall and sunshine in Changwon - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Changwon 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 Changwon spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
The extremes listed below come from historical weather data collected in Changwon from 1976 through 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 Changwon 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. Bring sunglasses since you'll have some sunny periods throughout the month
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Changwon 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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