Climate and monthly weather forecast
Waiʻanae, HI

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The best time to visit Waiʻanae

The best months for a swim in Waiʻanae, Hawaii, are April through December, with a perfect temperature - varying between 77°F (25°C) and 84.2°F (29°C), and scarce rainfall.

Weather in January

In Waiʻanae, Hawaii, the average seawater temperature in January is 76.8°F (24.9°C). Note: For someone not comfortable with cold, swimming in 76.8°F (24.9°C) waters might be a stretch. Weather in January »

Weather in February

In Waiʻanae, Hawaii, in February, the average water temperature is 76.1°F (24.5°C). Note: Individual preferences to cold, influenced by conditions such as sunshine, wind, and surrounding temperature, play a part in the comfort of swimming in 76.1°F (24.5°C) waters. Weather in February »

Weather in March

With an average ocean temperature of 75.7°F (24.3°C), March is the month with the coldest seawater in Waiʻanae, Hawaii. Note: Considering one's resistance to cold, elements like sunshine, wind, and the prevailing temperature matter when taking a swim in 75.7°F (24.3°C) waters. Weather in March »

Weather in April

The perfect water temperature of 77.2°F (25.1°C) makes April a great period for swimming and other water activities in Waiʻanae, Hawaii. In April, the average ocean temperature is 77.2°F (25.1°C). Note: Water temperature ranging from 77°F (25°C) to 84.2°F (29°C) is recognized as warm and pleasant by all, making water activities comfortable and delightful for long durations. Weather in April »

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. 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. Weather in May »

Weather in June

An excellent water temperature of 79.2°F (26.2°C) makes June in Waiʻanae, Hawaii, a prime for swimming and other water activities. In Waiʻanae, the average seawater temperature in June is 79.2°F (26.2°C). Note: For engaging in water activities including swimming and diving, temperatures from 77°F (25°C) to 84.2°F (29°C) are perceived as perfect, providing pleasure for extended durations. Weather in June »

Weather in July

An excellent water temperature of 79.3°F (26.3°C) makes July in Waiʻanae, Hawaii, a prime for swimming and other water activities. In July, the average ocean temperature is 79.3°F (26.3°C). Note: Water activities in temperatures ranging from 77°F (25°C) to 84.2°F (29°C) are pleasurable, without feeling uncomfortable even during extended periods. Weather in July »

Weather in August

An excellent water temperature of 79.7°F (26.5°C) makes August in Waiʻanae, Hawaii, a prime for swimming and other water activities. In Waiʻanae, in August, the average water temperature is 79.7°F (26.5°C). Note: Ideal surface water temperatures for any water activity fall between 77°F (25°C) and 84.2°F (29°C), offering maximum enjoyment for lengthened periods. Weather in August »

Weather in September

An excellent water temperature of 80.6°F (27°C) makes September in Waiʻanae, Hawaii, a prime for swimming and other water activities. September is the month with the warmest seawater, with an average ocean temperature of 80.6°F (27°C). Note: For water activities like swimming, diving, and more, temperatures ranging between 77°F (25°C) and 84.2°F (29°C) offer superior comfort and enjoyment for lengthy durations. Weather in September »

Weather in October

The ideal ocean temperature of 79.9°F (26.6°C) makes October in Waiʻanae, Hawaii, the best time for swimming and other water activities. In October, the average ocean temperature is 79.9°F (26.6°C). Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) provides warmth and pleasure, making water activities enjoyable for lengthened periods without feeling uncomfortable. Weather in October »

Weather in November

The ideal ocean temperature of 78.6°F (25.9°C) makes November in Waiʻanae, Hawaii, the best time for swimming and other water activities. In November, the average ocean temperature is 78.6°F (25.9°C). Note: Water activities including swimming and diving at temperatures from 77°F (25°C) to 84.2°F (29°C) are deemed very pleasurable and enjoyable for extended periods, devoid of discomfort. Weather in November »

Weather in December

The ideal ocean temperature of 77.4°F (25.2°C) makes December in Waiʻanae, Hawaii, the best time for swimming and other water activities. In Waiʻanae, the average seawater temperature in December is 77.4°F (25.2°C). Note: With water temperature from 77°F (25°C) to 84.2°F (29°C), all water activities are comfortable and delightful, devoid of discomfort even for lengthened periods. Weather in December »
Updated: Feb 10, 2024 | Published by: Weather U.S. | Resources

Frequently asked questions

What month is the ocean coldest in Waiʻanae?

The month with the coldest seawater in Waiʻanae, Hawaii, is March, with an average ocean temperature of 75.7°F (24.3°C).

When are the longest days in Waiʻanae?

The month with the longest days in Waiʻanae is June, with an average of 13h and 24min of daylight.

What month is the ocean warmest in Waiʻanae?

The month with the warmest seawater is September, with an average ocean temperature of 80.6°F (27°C).

What is the month with the shortest days in Waiʻanae?

December has the shortest days of the year in Waiʻanae, Hawaii, with an average of 10h and 54min of daylight.

Is there Daylight Saving Time (DST) in Waiʻanae?

Waiʻanae, Hawaii, does not utilize Daylight Saving Time (DST). HST timezone is used throughout the entire year.

Average sea temperature
Waiʻanae, HI

Average sea temperature - Waiʻanae, HI

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).

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Average daylight
Waiʻanae, HI

Average daylight - Waiʻanae, HI

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).

[Resources]

Waiʻanae, Hawaii, USA

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