Climate and monthly weather forecast
Waimea Canyon State Park, HI

The best time to visit Waimea Canyon State Park

The best months for a swim in Waimea Canyon State Park, Hawaii, are May through November, with a perfect temperature - varying between 77°F (25°C) and 84.2°F (29°C), and scarce rainfall.

Weather in January

In January, the average ocean temperature in Waimea Canyon State Park, Hawaii, is 76.8°F (24.9°C). Note: For individuals prone to feeling cold, swimming in 73.4°F (23°C) is still regarded as intolerable. Weather in January »

Weather in February

In February, the average ocean temperature in Waimea Canyon State Park, Hawaii, is 75.9°F (24.4°C). Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 75.9°F (24.4°C) water may be enjoyable. Weather in February »

Weather in March

March is the month with the coldest seawater in Waimea Canyon State Park, Hawaii, with an average ocean temperature of 75.4°F (24.1°C). Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 75.4°F (24.1°C) water. Weather in March »

Weather in April

In Waimea Canyon State Park, Hawaii, in April, the average water temperature is 76.6°F (24.8°C). Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 76.6°F (24.8°C) water. Weather in April »

Weather in May

The perfect water temperature of 78.1°F (25.6°C) makes May a great period for swimming and other water activities in Waimea Canyon State Park, Hawaii. In May, the average ocean temperature is 78.1°F (25.6°C). Note: 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. Weather in May »

Weather in June

An excellent water temperature of 79.3°F (26.3°C) makes June in Waimea Canyon State Park, Hawaii, a prime for swimming and other water activities. In Waimea Canyon State Park, the average water temperature is 79.3°F (26.3°C). Note: 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. Weather in June »

Weather in July

An excellent water temperature of 79.2°F (26.2°C) makes July in Waimea Canyon State Park, Hawaii, a prime for swimming and other water activities. In Waimea Canyon State Park, Hawaii, the average water temperature is 79.2°F (26.2°C). Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. Weather in July »

Weather in August

The ideal ocean temperature of 79.9°F (26.6°C) makes August in Waimea Canyon State Park, Hawaii, the best time for swimming and other water activities. In Waimea Canyon State Park, Hawaii, the average seawater temperature in August is 79.9°F (26.6°C). Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. Weather in August »

Weather in September

The perfect water temperature of 80.4°F (26.9°C) makes September a great period for swimming and other water activities in Waimea Canyon State Park, Hawaii. September is the month with the warmest seawater, with an average ocean temperature of 80.4°F (26.9°C). Note: 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. Weather in September »

Weather in October

The ideal ocean temperature of 80.1°F (26.7°C) makes October in Waimea Canyon State Park, Hawaii, the best time for swimming and other water activities. In Waimea Canyon State Park, in October, the average water temperature is 80.1°F (26.7°C). Note: 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. Weather in October »

Weather in November

The ideal ocean temperature of 78.6°F (25.9°C) makes November in Waimea Canyon State Park, Hawaii, the best time for swimming and other water activities. In Waimea Canyon State Park, the average seawater temperature in November is 78.6°F (25.9°C). Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. Weather in November »

Weather in December

In Waimea Canyon State Park, Hawaii, the average seawater temperature in December is 76.8°F (24.9°C). Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 76.8°F (24.9°C) water may be enjoyable. Weather in December »
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FAQ

What is the month with the coldest ocean in Waimea Canyon State Park?

March is the month with the coldest seawater in Waimea Canyon State Park, Hawaii, with an average ocean temperature of 75.4°F (24.1°C).

When are the longest days in Waimea Canyon State Park?

The month with the longest days in Waimea Canyon State Park is June, with an average of 13h and 28min of daylight.

When is the ocean warmest in Waimea Canyon State Park?

September is the month with the warmest seawater in Waimea Canyon State Park, Hawaii, with an average ocean temperature of 80.4°F (26.9°C).

What is the month with the shortest days in Waimea Canyon State Park?

With an average of 10h and 49min of daylight, December has the shortest days of the year in Waimea Canyon State Park.

Is there Daylight Saving Time (DST) in Waimea Canyon State Park?

Waimea Canyon State Park, Hawaii, does not observe Daylight Saving Time (DST). HST timezone is used over the entire year.

Average sea temperature
Waimea Canyon State Park, HI

Average sea temperature - Waimea Canyon State Park, HI

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
Waimea Canyon State Park, HI

Average daylight - Waimea Canyon State Park, HI

The month with the longest days is June (Average daylight: 13h and 28min).
The month with the shortest days is December (Average daylight: 10h and 49min).

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