Climate almanac
Koga
Ibaraki, Japan · 36.18°, 139.72°
What is the weather like in Koga in December?
In December, Koga is typically 52°F (11°C) during the day and 35°F (1°C) at night. The month brings about 1.7 in (43 mm) of precipitation in total.
- Average high52°F (11°C)
- Average low35°F (1°C)
- Precipitation1.7 in (43 mm)
- Clear or mostly clear days19
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)