May weather forecast and climate
Waimea Canyon State Park, HI

Weather in May

The ideal ocean temperature of 78.1°F (25.6°C) makes May in Waimea Canyon State Park, Hawaii, the best time for swimming and other water activities.

Ocean temperature

In Waimea Canyon State Park, the average seawater temperature is 78.1°F (25.6°C).
Note: For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

In Waimea Canyon State Park, the average length of the day in May is 13.2h.
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FAQ

How warm is the water in May in Waimea Canyon State Park?

In Waimea Canyon State Park, Hawaii, the average seawater temperature in May is 78.1°F (25.6°C). Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

How many hours of daylight does Waimea Canyon State Park have in May?

The average length of the day in May is 13.2h.

Average sea temperature in May
Waimea Canyon State Park, HI

Average sea temperature in May - Waimea Canyon State Park, HI
  • Average sea temperature in May: 78.1°F

The best month for swimming (with the highest average sea temperature) is September (80.5°F).
The coldest month (with the lowest average sea temperature) is March (75.4°F).

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Average daylight in May
Waimea Canyon State Park, HI

Average daylight in May - Waimea Canyon State Park, HI
  • Average daylight in May: 13.2h

The month with the longest days is June (Average daylight: 13.5h).
The month with the shortest days is December (Average daylight: 10.8h).

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