Osan Weather in October

October in Osan averages 21°C (70°F) during the day and 9°C (48°F) at night. The perfect 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 perfect 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.

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For a detailed overview over the year and the best time to visit South Korea, check out our Osan's climate page.

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).

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.

Cycling

10/10

Walking

10/10

Barbeque

9/10

Camping

4/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit South Korea, check out our Osan's climate page.

More climate data for Osan

Temperature Rainfall Sunshine Humidity

See the full Osan climate overview or explore weather in South Korea.