What is the weather like in Haleakala National Park vs Hawaii Volcanoes National Park in May?

In May, Haleakala National Park averages 15°C high / 11°C low with about 82 mm of rain; Hawaii Volcanoes National Park averages 19°C high / 14°C low with about 230 mm.

Haleakala National Park vs Hawaii Volcanoes National Park in May

Haleakala National Park is the better pick in May — 86 vs 77 on SeasonMap's comfort score. Haleakala National Park is cool, rainy, clean air, while Hawaii Volcanoes National Park is nice, soaked, clean air.

Haleakala National Park vs Hawaii Volcanoes National Park — May climate, side by side

	🇺🇸 Haleakala National Park	🇺🇸 Hawaii Volcanoes National Park
Comfort score	86/100 (A)	77/100 (B)
Feels-like high	13°C	20°C
Avg high / low	15° / 11°	19° / 14°
Rainfall	82 mm	230 mm
Rainy days	21	23
Humidity	78%	83%
Air quality (AQI)	43	26

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

Month by month

Haleakala National Park 🇺🇸 United Statescool, rainy, clean air · best June86
Hawaii Volcanoes National Park 🇺🇸 United Statesnice, soaked, clean air · best June77

Haleakala National Park vs Hawaii Volcanoes National Park in May — FAQ

Is May better in Haleakala National Park or Hawaii Volcanoes National Park?: Haleakala National Park is the better pick in May — 86 vs 77 on SeasonMap's comfort score. Haleakala National Park is cool, rainy, clean air, while Hawaii Volcanoes National Park is nice, soaked, clean air.
What is the weather like in Haleakala National Park vs Hawaii Volcanoes National Park in May?: In May, Haleakala National Park averages 15°C high / 11°C low with about 82 mm of rain; Hawaii Volcanoes National Park averages 19°C high / 14°C low with about 230 mm.