What is the weather like in Grand Canyon National Park vs Zion National Park in May?

In May, Grand Canyon National Park averages 31°C high / 15°C low with about 10 mm of rain; Zion National Park averages 22°C high / 6°C low with about 14 mm.

Grand Canyon National Park vs Zion National Park in May

Zion National Park is the better pick in May — 93 vs 67 on SeasonMap's comfort score. Zion National Park is nice, dry, while Grand Canyon National Park is hot, dry.

Grand Canyon National Park vs Zion National Park — May climate, side by side

	Grand Canyon National Park	Zion National Park
Comfort score	67/100 (C)	93/100 (S)
Feels-like high	29°C	19°C
Avg high / low	31° / 15°	22° / 6°
Rainfall	10 mm	14 mm
Rainy days	1	2
Humidity	27%	33%
Air quality (AQI)	56	60

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

Grand Canyon National Park vs Zion National Park in May — FAQ

Is May better in Grand Canyon National Park or Zion National Park?: Zion National Park is the better pick in May — 93 vs 67 on SeasonMap's comfort score. Zion National Park is nice, dry, while Grand Canyon National Park is hot, dry.
What is the weather like in Grand Canyon National Park vs Zion National Park in May?: In May, Grand Canyon National Park averages 31°C high / 15°C low with about 10 mm of rain; Zion National Park averages 22°C high / 6°C low with about 14 mm.