Phoenix in December
The weather in December
In December, Phoenix averages daytime highs of 66° and night-time lows of 42° — mild weather by day. Expect around 1.0 in of precipitation spread over about 4 wet days, with average cloud cover near 22%.
Days are 5.5° cooler than in November on average, and January brings little change.
December scores 90/100 — excellent conditions for sightseeing — and ranks 3rd of the twelve months for Phoenix.
Around the middle of the month the sun rises at 07:26 and sets at 17:23 local time, giving 9 h 57 min of daylight. Days shorten by 8 minutes over the month.
Why 90/100?
How the score for December is builtComfort peaks for daytime highs between 18° and 25°C (64–77°F).
Around Phoenix this month
Glendale
United States's best in December
Brawley
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Phoenix in December: quick answers
Is December a good time to visit Phoenix?
December scores 90/100 for Phoenix, which we rate as excellent. Average highs are 66°F with 4 wet days.
How warm is Phoenix in December?
Daytime highs average 66°F and night-time lows 42°F in December.
Does it rain a lot in Phoenix in December?
Phoenix receives about 1.0 in of precipitation in December, falling on around 4 days.