December weather
| December | |
|---|---|
| Average high | About 66°F |
| Average low | About 45°F |
| What to pack | Warm layers, a jacket for evenings, sunscreen for the day |
Source: Arizona State Climate Office, Phoenix normals 1991 to 2020.
Swimming is for heated pools only at this time of year. The pool and spa can be heated on request, with a heating fee in the cooler months.