Seongnam Weather in December

December in Seongnam sees daytime temperatures around 5°C (41°F) and lows of -5°C (23°F) at night. Pack a rain jacket because some snow/rainfall is likely.

Rainfall in Seongnam in December

On average, there are about 8 days with snow/rain during this month, averaging 27 mm (1.1 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Seongnam in December

In December, expect low temperatures in Seongnam, with highs of 5°C (41°F) and lows of -5°C (23°F) at night. December is part of the winter season. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. Nights drop below freezing to -5°C (23°F). An extra blanket is worth packing if you're unsure about the heating where you're staying.

Sunshine in Seongnam in December

With about 163 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

Wind Speed in Seongnam in December

Wind speeds average 2 m/s (4 knots) during December. At this speed, expect light breezes that you can feel on your face and cause leaves to rustle gently. Since this is an average, some days are calmer with barely any wind while others have more noticeable gentle breezes.

If you prefer dry days with pleasant temperatures, October typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.