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.
Osan Weather in October
October in Osan averages 21°C (70°F) during the day and 9°C (48°F) at night. The excellent conditions and moderate rainfall make it a solid month to visit.
Rainfall in Osan in October
The climate data from previous years indicates about 7 days of rain, averaging 57 mm (2.2 in) for the month. When rain does fall this month, it tends to come down hard. The low number of rain days makes each shower more significant.
Temperature in Osan in October
October tends to be one of the excellent months in Osan, with 21°C (70°F) in the afternoon and 9°C (48°F) overnight. The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 9°C (48°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Osan in October
Expect sunny days throughout the month, with an estimated 215 hours of sunshine. This makes it a pleasant time to visit Osan.If you're a fan of comfortable temperatures and drier conditions, October is a great time to visit.
Osan Temperature in October
Min Temperature
9°C (48°F)
Max Temperature
21°C (70°F)
Chance of Rain
23%
Precipitation
57 mm (2.2 in)
Rainy days
7 days
Humidity
73% *
Sunshine
215 hours *
Percentage Sunshine
62% *
* Data from: Cheonan, South Korea (38 KM, 23 Miles).
Osan Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Osan - and find the best time to visit.
Best Places in South Korea in October
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 October →
perfect weather
pleasant
tolerable
unpleasant
poor
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).
What to Wear in Osan in October
For Osan in October, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Osan in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling10/10 -
Walking10/10 -
Barbeque9/10 -
Camping4/10 -
Outdoor sports10/10
Osan 3-Day Forecast
More climate data for Osan
Temperature Rainfall Sunshine Humidity
See the full Osan climate overview or explore weather in South Korea.
Popular in October
Where to go in October - average daytime high across popular destinations.
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Mud festival in South Korea
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