Climate almanac
Isahaya
Nagasaki, Japan · 32.84°, 130.04°
What is the weather like in Isahaya in December?
In December, Isahaya is typically 53°F (12°C) during the day and 47°F (8°C) at night. The month brings about 3.3 in (85 mm) of precipitation in total. Snowfall averages about 0.1 in (3 mm) over the month.
- Average high53°F (12°C)
- Average low47°F (8°C)
- Precipitation3.3 in (85 mm)
- Clear or mostly clear days7
- Snowfall0.1 in (3 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)