Grand Canyon weather in December 2026
Expect daytime maximum temperatures of 9°C in Grand Canyon, Arizona in December based on long-term weather averages. There are 7 hours of sunshine per day on average.
- 9°C max day temperature
9 - 7 hours of sunshine per day
- 5 days with some rainfall
5 - -5°C min night temperature
-5 - 10 hours of daylight per day
10 - No heat & humidity
0 - 26 mm of monthly rainfall
26 - 2 (Low) UV index
2
