Climate almanac
Fort Irwin
California, United States · 35.26°, -116.68°
What is the weather like in Fort Irwin in December?
In December, Fort Irwin is typically 59°F (15°C) during the day and 38°F (3°C) at night. The month brings about 0.7 in (17 mm) of precipitation in total.
- Average high59°F (15°C)
- Average low38°F (3°C)
- Precipitation0.7 in (17 mm)
- Clear or mostly clear days15
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)