Phoenix Weather in December
United States · 30-year monthly averages
🌟 Great time to visit
December in Phoenix is pleasantly warm, with average daytime highs around 19°C (66°F) and nighttime lows near 7°C (45°F). Expect roughly 19mm of precipitation spread over about 3 rainy days, and rain is rare.
Avg high
19°C
66°F
Avg low
7°C
45°F
Rainfall
19mm
very dry
Rainy days
3
days with ≥1mm
🎒 What to pack
- light layers
- comfortable walking shoes
December vs the rest of the year
FAQ
- How hot is Phoenix in December?
- December in Phoenix is pleasantly warm, with average daytime highs around 19°C (66°F) and nighttime lows near 7°C (45°F). Expect roughly 19mm of precipitation spread over about 3 rainy days, and rain is rare.
- Does it rain a lot in Phoenix in December?
- Phoenix sees around 19mm of precipitation in December on average — very dry by global standards.
- Is December a good time to visit Phoenix?
- December is one of the best months to visit Phoenix — comfortable temperatures and manageable rainfall.