Ulsan Weather in December

With daytime temperatures of 10°C (50°F) and nighttime lows of 1°C (34°F), December in Ulsan brings low temperatures during the day. It is also the driest month of the year, with minimal rainfall.

Rainfall in Ulsan in December

This is the driest month, making it a great choice for planning outdoor excursions, even if the weather is on the cooler side. Typically, about 5 days will experience rainfall, with an average of 29 mm (1.1 in) for the month. Rain is scarce this month and when it does fall, it tends to be light. Unlikely to disrupt plans significantly.

Temperature in Ulsan in December

If you're visiting Ulsan in December, expect highs of 10°C (50°F) and overnight lows around 1°C (34°F). December marks the winter season. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. With overnight lows of 1°C (34°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Ulsan in December

The days are predominantly sunny, with an estimated total of around 196 hours of sunshine. Despite the cool temperatures, these sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

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.