What is the weather like in Haleakala National Park vs Kauai in December?

In December, Haleakala National Park averages 15°C high / 11°C low with about 113 mm of rain; Kauai averages 23°C high / 19°C low with about 77 mm.

Haleakala National Park vs Kauai in December

Kauai is the better pick in December — 86 vs 81 on SeasonMap's comfort score. Kauai is nice, a little rain, clean air, while Haleakala National Park is cool, rainy, clean air.

Haleakala National Park vs Kauai — December climate, side by side

	🇺🇸 Haleakala National Park	🇺🇸 Kauai
Comfort score	81/100 (A)	86/100 (A)
Feels-like high	12°C	23°C
Avg high / low	15° / 11°	23° / 19°
Rainfall	113 mm	77 mm
Rainy days	20	14
Humidity	79%	80%
Air quality (AQI)	35	28

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

Month by month

Haleakala National Park vs Kauai in December — FAQ

Is December better in Haleakala National Park or Kauai?: Kauai is the better pick in December — 86 vs 81 on SeasonMap's comfort score. Kauai is nice, a little rain, clean air, while Haleakala National Park is cool, rainy, clean air.
What is the weather like in Haleakala National Park vs Kauai in December?: In December, Haleakala National Park averages 15°C high / 11°C low with about 113 mm of rain; Kauai averages 23°C high / 19°C low with about 77 mm.