Month-by-month travel weather
Phoenix December weather
Phoenix, United States · December
Layers keep late plans comfortable
Many days feel mild and sunny; evenings cool down and a thin layer helps.
December averages at a glance
Average low
around 6–9°C
Average high
around 18–22°C
Average precipitation
around 15–30 mm
Rainy days
about 1–3 days
What to wear in December in Phoenix
Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.
- • Light jacket/hoodie
- • Evening layer
Travel tips for visiting Phoenix in December
- • Sun can still feel strong—sunscreen is a useful option.
December weather in Phoenix — FAQ
Q. Is December cold?
A. Usually mild by day, cooler at night.
Explore Phoenix
These pages are connected so you can compare conditions and decide for yourself.