October weather forecast
Waimea Canyon State Park, HI

October at the park sees a downward trend in both sea temperatures and daylight hours, signaling the onset of autumn. The sea temperatures being to cool, averaging around 79.9°F (26.6°C), a change evident from the previous month. Cooling temperatures align with shorter daylight hours, as the daylight hours decrease to 11.6. As the park transitions to November, further decreases in sea temperatures and daylight hours occur. October exemplifies the norm of seasonal transition, abstaining from any unique or abrupt weather patterns.

Ocean temperature

In Waimea Canyon State Park, in October, the average water temperature is 80.1°F (26.7°C).
Note: Temperatures between 77°F (25°C) and 84.2°F (29°C) are excellent for swimming, diving, and other water activities, providing comfort and enjoyment for extended periods without discomfort.

Daylight

In Waimea Canyon State Park, the average length of the day in October is 11h and 38min.
On the first day of October, sunrise is at 6:30 am and sunset at 6:25 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:01 pm HST.