Zao Onsen Weather in December

Zao Onsen in December averages 6°C (43°F) during the day and -2°C (28°F) at night. This is part of the winter season, and quite a bit of snow/rainfall is expected this month.

Rainfall in Zao Onsen in December

Climate statistics over the past 30 years suggest around 27 days of snow/rain, with 104 mm (4.1 in) average for the month. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in Zao Onsen in December

Daytime highs in Zao Onsen in December reach 6°C (43°F), with nights around -2°C (28°F). December is known for being in the winter season. Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. With overnight lows of -2°C (28°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold.

Sunshine in Zao Onsen in December

The area enjoys a moderate level of sunlight, with around 135 hours. It's a good balance between sunny and cloudy days.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Zao Onsen. Our weather planner can help you explore destinations with more pleasant weather conditions.