Climate almanac
Summit
Arizona, United States · 32.07°, -110.95°
What is the weather like in Summit in December?
In December, Summit is typically 68°F (20°C) during the day and 43°F (6°C) at night. The month brings about 0.8 in (21 mm) of precipitation in total.
- Average high68°F (20°C)
- Average low43°F (6°C)
- Precipitation0.8 in (21 mm)
- Clear or mostly clear days19
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)