Osan Weather in December
Osan in December sees low daytime temperatures of 6°C (43°F) and nighttime lows of -4°C (25°F). Low snow/rainfall is typical, with around 27 mm (1.1 in) for the month.
Rainfall in Osan in December
You can expect snow/rain on roughly 9 days based on historical data, averaging 27 mm (1.1 in) for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Osan in December
In December, Osan sees low temperatures, with highs of 6°C (43°F). Nights drop to around -4°C (25°F). December is in the winter season. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. With lows of -4°C (25°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated.
Sunshine in Osan in December
The area enjoys a moderate level of sunlight, with around 159 hours. It's a good balance between sunny and cloudy days.Should you favor a climate that's both dry and comfortably warm, May and October typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
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 December
Min Temperature
-4°C (25°F)
Max Temperature
6°C (43°F)
Chance of Rain
29%
Precipitation
27 mm (1.1 in)
Rainy days
9 days
Humidity
72% *
Sunshine
159 hours *
Percentage Sunshine
53% *
Best Places in South Korea in December
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 →
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What to Wear in Osan in December
Dress warmly and in layers for your trip to Osan in December. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Light rain is possible, so consider bringing a small umbrella or rain jacket. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Osan in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit South Korea, check out our Osan's climate page.
Temperature Rainfall Sunshine Humidity
See the full Osan climate overview or explore weather in South Korea.
