Monthly weather forecast and climate
Waimalu, HI

January, like December, in Waimalu, Hawaii, is another warm winter month, with average temperature varying between 64.4°F (18°C) and 78.8°F (26°C). January through March and December, with an average high-temperature of 78.8°F (26°C), are the coldest months. Weather in January »
The last month of the winter, February, is also a warm month in Waimalu, Hawaii, with average temperature fluctuating between 78.8°F (26°C) and 64.4°F (18°C). January through March and December, with an average high-temperature of 78.8°F (26°C), are the coldest months. Weather in February »

The first month of the spring, March, is still a warm month in Waimalu, Hawaii, with average temperature fluctuating between 66.2°F (19°C) and 78.8°F (26°C). January through March and December, with an average high-temperature of 78.8°F (26°C), are the coldest months. Weather in March »

April, like March, in Waimalu, Hawaii, is another warm spring month, with average temperature fluctuating between 66.2°F (19°C) and 80.6°F (27°C). In Waimalu, the average high-temperature is 80.6°F (27°C), and the average low-temperature is 66.2°F (19°C). Weather in April »

May, the last month of the spring, in Waimalu, is another warm month, with average temperature ranging between max. 82.4°F (28°C) and min. 68°F (20°C). In May, the average high-temperature is 82.4°F (28°C), and the average low-temperature is 68°F (20°C). Weather in May »

June, the first month of the summer, in Waimalu, is also a warm month, with average temperature ranging between min. 69.8°F (21°C) and max. 84.2°F (29°C). In June, in Waimalu, the average high-temperature is 84.2°F (29°C), and the average low-temperature is 69.8°F (21°C). Weather in June »

July, the same as June, is another warm summer month in Waimalu, Hawaii, with average temperature varying between 84.2°F (29°C) and 71.6°F (22°C). In July, the average high-temperature is 84.2°F (29°C), and the average low-temperature is 71.6°F (22°C). Weather in July »

The last month of the summer, August, is a hot month in Waimalu, Hawaii, with average temperature ranging between max. 86°F (30°C) and min. 71.6°F (22°C). Warmest months are August and September, with an average high-temperature of 86°F (30°C). Weather in August »

September, the first month of the autumn, in Waimalu, is also a hot month, with average temperature varying between 71.6°F (22°C) and 86°F (30°C). August and September, with an average high-temperature of 86°F (30°C), are warmest months. Weather in September »

October, the same as September, is another warm autumn month in Waimalu, Hawaii, with temperature in the range of an average high of 84.2°F (29°C) and an average low of 69.8°F (21°C). In October, the average high-temperature is 84.2°F (29°C), and the average low-temperature is 69.8°F (21°C). Weather in October »

November, the last month of the autumn, in Waimalu, is also a warm month, with average temperature ranging between min. 68°F (20°C) and max. 80.6°F (27°C). The average high-temperature, is 80.6°F (27°C), while the average low-temperature is 68°F (20°C). Weather in November »

The first month of the winter, December, is also a warm month in Waimalu, Hawaii, with temperature in the range of an average high of 78.8°F (26°C) and an average low of 66.2°F (19°C). The coldest months are January through March and December, with an average high-temperature of 78.8°F (26°C). Weather in December »

What are the coldest months in Waimalu?

January through March and December, with an average high-temperature of 78.8°F (26°C), are the coldest months in Waimalu.

How many days does it rain in Waimalu?

Throughout the year, in Waimalu, there are 125 rainfall days, and 52.4" (1330mm) of precipitation is accumulated.

What is the wettest month in Waimalu?

The month with the most rainfall is January when the rain falls for 11 days and typically aggregates up to 6.9" (174mm) of precipitation.

What are the months with the coldest ocean in Waimalu?

January through April, with an average ocean temperature of 75.2°F (24°C), are months with the coldest seawater in Waimalu. A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 75.2°F (24°C) water. (FYI: The Olympic swimming competition requires a water temperature between 77°F (25°C) and 82.4°F (28°C).)

What is the month with the most sunshine in Waimalu?

May through September, with an average of 9h of sunshine, are months with the most sunshine in Waimalu.

What is the driest month in Waimalu?

The month with the least rainfall in Waimalu is June when the rain falls for 8 days and typically collects 2" (51mm) of precipitation.

When are the longest days in Waimalu?

June has the longest days of the year in Waimalu, with an average of 13.4h of daylight.

When is the highest UV index in Waimalu?

July and August, with an average UV index of 12, are months with the highest UV index in Waimalu.

What is the warmest month in Waimalu?

Warmest months in Waimalu are August and September, with an average high-temperature of 86°F (30°C).

What months are the ocean warmest in Waimalu?

Months with the warmest seawater in Waimalu are August through October, with an average ocean temperature of 80.6°F (27°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.

What is the month with the least sunshine in Waimalu?

November and December, with an average of 6h of sunshine, are months with the least sunshine in Waimalu, Hawaii.

What is the month with the shortest days in Waimalu?

The month with the shortest days in Waimalu is December, with an average of 10.8h of daylight.

What is the month with the lowest UV index in Waimalu?

December is the month with the lowest UV index, with an average UV index of 6.
Average temperature - Waimalu, HI

Warmest months (with the highest average high temperature) are August and September (86°F).
Months with the lowest average high temperature are January, February, March and December (79°F).

Months with the highest average low temperature are July, August and September (72°F).
Coldest months (with the lowest average low temperature) are January and February (64°F).

Average rainfall - Waimalu, HI
Average rainfall days - Waimalu, HI

Months with the highest number of rainy days are April, November and December (12 days).
The month with the lowest number of rainy days is June (8 days).

Average sea temperature - Waimalu, HI

Best months for swimming (with the highest average sea temperature) are August, September and October (81°F).
Coldest months (with the lowest average sea temperature) are January, February, March and April (75°F).

Average daylight / Average sunshine - Waimalu, HI

The month with the longest days is June (Average daylight: 13.4h).
The month with shortest days is December (Average daylight: 10.8h).

Months with most sunshine are May, June, July, August and September (Average sunshine: 9h).
Months with least sunshine are November and December (Average sunshine: 6).

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