Seoul Weather in December

December in Seoul averages 5°C (41°F) during the day and -5°C (23°F) at night. Around 25 mm (1 in) of snow/rainfall is typical for this time of year.

Rainfall in Seoul in December

You can expect snow/rain on roughly 7 days based on historical data, averaging 25 mm (1 in) for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Seoul in December

Temperatures in Seoul in December top out at 5°C (41°F) and drop to -5°C (23°F) overnight. Experience the winter season in December. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. With lows of -5°C (23°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated.

Sunshine in Seoul in December

The city usually sees around 163 hours of sunlight, indicating a moderately sunny period.

Wind Speed in Seoul in December

December sees wind speeds averaging 2 m/s (4 knots). You'll typically experience pleasant light breezes that move leaves slightly and feel refreshing. As an average, expect variation from very calm days to periods with more apparent air movement.

If you prefer dry days with pleasant temperatures, May and October typically offer 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.