What is the weather like in Flagstaff vs Phoenix in December?

In December, Flagstaff averages 8°C high / -5°C low with about 40 mm of rain; Phoenix averages 21°C high / 9°C low with about 19 mm.

Flagstaff vs Phoenix in December

Phoenix is the better pick in December — 81 vs 61 on SeasonMap's comfort score. Phoenix is nice, dry, while Flagstaff is cold, a little rain, clean air.

Flagstaff vs Phoenix — December climate, side by side

	🇺🇸 Flagstaff	🇺🇸 Phoenix
Comfort score	61/100 (C)	81/100 (A)
Feels-like high	4°C	18°C
Avg high / low	8° / -5°	21° / 9°
Rainfall	40 mm	19 mm
Rainy days	5	3
Humidity	56%	52%
Air quality (AQI)	39	54

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Flagstaff 🇺🇸 United Statescold, a little rain, clean air · best September61
Phoenix 🇺🇸 United Statesnice, dry · best March81

Flagstaff vs Phoenix in December — FAQ

Is December better in Flagstaff or Phoenix?: Phoenix is the better pick in December — 81 vs 61 on SeasonMap's comfort score. Phoenix is nice, dry, while Flagstaff is cold, a little rain, clean air.
What is the weather like in Flagstaff vs Phoenix in December?: In December, Flagstaff averages 8°C high / -5°C low with about 40 mm of rain; Phoenix averages 21°C high / 9°C low with about 19 mm.