Weather in May
An excellent water temperature of 78.3°F (25.7°C) makes May in Waiʻanae, Hawaii, a prime for swimming and other water activities.
Note: Water activities including swimming and diving are pleasurable in temperatures between 77°F (25°C) and 84.2°F (29°C), ensuring comfort and enjoyment for extended time frames.
On the first day of May, sunrise is at 6:01 am and sunset at 6:58 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 7:11 pm HST.
Ocean temperature
In May, the average ocean temperature is 78.3°F (25.7°C).Note: Water activities including swimming and diving are pleasurable in temperatures between 77°F (25°C) and 84.2°F (29°C), ensuring comfort and enjoyment for extended time frames.
Daylight
In Waiʻanae, Hawaii, the average length of the day in May is 13h and 10min.On the first day of May, sunrise is at 6:01 am and sunset at 6:58 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 7:11 pm HST.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How warm is the water in May in Waiʻanae?
In May, the average ocean temperature in Waiʻanae is 78.3°F (25.7°C). For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.
What is the average length of the day in May in Waiʻanae?
In Waiʻanae, the average day length in May is 13h and 10min.
When are sunrise and sunset in May in Waiʻanae?
In May, on the first day of the month, sunrise is at 6:01 am and sunset at 6:58 pm. On the last day of the month, in Waiʻanae, Hawaii, sunrise is at 5:49 am and sunset at 7:11 pm HST.
Average sea temperature in May
Waiʻanae, HI
- Average sea temperature in May: 78.2°F
The best month for swimming (with the highest average sea temperature) is September (80.6°F).
The coldest month (with the lowest average sea temperature) is March (75.7°F).
Average daylight in May
Waiʻanae, HI
- Average daylight in May: 13h and 1min
The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).
Waiʻanae, Hawaii, USA
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