What is the weather like in Phoenix vs Zion National Park in December?

In December, Phoenix averages 21°C high / 9°C low with about 19 mm of rain; Zion National Park averages 7°C high / -6°C low with about 41 mm.

Phoenix vs Zion National Park in December

Phoenix is the better pick in December — 81 vs 72 on SeasonMap's comfort score. Phoenix is nice, dry, while Zion National Park is cold, a little rain, clean air.

Phoenix vs Zion National Park — December climate, side by side

	🇺🇸 Phoenix	🇺🇸 Zion National Park
Comfort score	81/100 (A)	72/100 (B)
Feels-like high	18°C	3°C
Avg high / low	21° / 9°	7° / -6°
Rainfall	19 mm	41 mm
Rainy days	3	4
Humidity	52%	55%
Air quality (AQI)	54	33

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

Month by month

Phoenix vs Zion National Park in December — FAQ

Is December better in Phoenix or Zion National Park?: Phoenix is the better pick in December — 81 vs 72 on SeasonMap's comfort score. Phoenix is nice, dry, while Zion National Park is cold, a little rain, clean air.
What is the weather like in Phoenix vs Zion National Park in December?: In December, Phoenix averages 21°C high / 9°C low with about 19 mm of rain; Zion National Park averages 7°C high / -6°C low with about 41 mm.