Unzen Weather in December

December in Unzen typically sees daytime highs of 14°C (57°F) and nighttime lows of 8°C (46°F). Rainfall is also possible this month, so it's worth packing an umbrella. It falls within the winter season.

Rainfall in Unzen in December

Based on our climate data of the past 30 years, about 18 days of rain are anticipated, with 88 mm (3.5 in) on average. Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.

Temperature in Unzen in December

Daytime temperatures in Unzen reach 14°C (57°F) in December, dropping to 8°C (46°F) at night. December is known for being in the winter season. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 8°C (46°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Unzen in December

The city usually sees around 114 hours of sunlight, indicating a moderately sunny period.

For Unzen itself, April and October generally stand out with 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.