Waimalu
Hawaii, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Waimalu, HI

January, the same as December, is another warm winter month in Waimalu, Hawaii, with average temperature varying between 75.7°F (24.3°C) and 69.1°F (20.6°C). In January, the average high-temperature is practically the same as in December - a still warm 75.7°F (24.3°C). Weather in January »

February, the last month of the winter, in Waimalu, is another warm month, with average temperature fluctuating between 68°F (20°C) and 75.4°F (24.1°C). The coldest months are February and March, with an average high-temperature of 75.4°F (24.1°C). Weather in February »

March, the first month of the spring, in Waimalu, is still a warm month, with average temperature ranging between max 75.4°F (24.1°C) and min 68.5°F (20.3°C). The coldest months are February and March, with an average high-temperature of 75.4°F (24.1°C). Weather in March »

April, the same as March, is a moderately hot spring month in Waimalu, Hawaii, with temperature in the range of an average low of 70.7°F (21.5°C) and an average high of 76.8°F (24.9°C). In April, the average high-temperature is relatively the same as in March - a still moderately hot 76.8°F (24.9°C). Weather in April »

May, the last month of the spring, in Waimalu, is also a moderately hot month, with average temperature ranging between min 72.1°F (22.3°C) and max 78.6°F (25.9°C). In Waimalu, the average high-temperature is practically the same as in April - a still warm 78.6°F (25.9°C). Weather in May »

June, the first month of the summer, in Waimalu, is also a moderately hot month, with temperature in the range of an average low of 73.4°F (23°C) and an average high of 79.7°F (26.5°C). In Waimalu, the average high-temperature is essentially the same as in May - a still moderately hot 79.7°F (26.5°C). Weather in June »

July, the same as June, is a moderately hot summer month in Waimalu, Hawaii, with average temperature ranging between max 81.1°F (27.3°C) and min 74.5°F (23.6°C). In July, the average high-temperature is almost the same as in June - a still warm 81.1°F (27.3°C). Weather in July »

August, the last month of the summer, in Waimalu, is another warm month, with temperature in the range of an average low of 74.8°F (23.8°C) and an average high of 82°F (27.8°C). August and September, with an average high-temperature of 82°F (27.8°C), are the warmest months. In August, the average heat index is appraised at a tropical 87.6°F (30.9°C). Weather in August »

September, the first month of the autumn, in Waimalu, is still a warm month, with average temperature varying between 82°F (27.8°C) and 75°F (23.9°C). August and September, with an average high-temperature of 82°F (27.8°C), are the warmest months. The average heat index in September is evaluated at a tropical 87.4°F (30.8°C). Weather in September »

October, like September, in Waimalu, Hawaii, is another warm autumn month, with average temperature varying between 81.1°F (27.3°C) and 74.7°F (23.7°C). In October, the average high-temperature is practically the same as in September - a still warm 81.1°F (27.3°C). Weather in October »

The last month of the autumn, November, is also a moderately hot month in Waimalu, Hawaii, with average temperature ranging between min 73.2°F (22.9°C) and max 79°F (26.1°C). In November, the average high-temperature is essentially the same as in October - a still warm 79°F (26.1°C). Weather in November »

December, the first month of the winter, in Waimalu, is still a warm month, with average temperature fluctuating between 76.5°F (24.7°C) and 70.5°F (21.4°C). In Waimalu, the average high-temperature in December is almost the same as in November - a still moderately hot 76.5°F (24.7°C). Weather in December »

How much does it rain in Waimalu?

In Waimalu, Hawaii, during the entire year, the rain falls for 208.4 days and collects up to 16.5" (419mm) of precipitation.

When is the ocean coldest in Waimalu?

January through April, with an average ocean temperature of 75.2°F (24°C), are months with the coldest seawater in Waimalu.

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

Months with the lowest UV index in Waimalu are January through August, October through December, with an average maximum UV index of 6.

What are the coldest months in Waimalu?

February and March, with an average high-temperature of 75.4°F (24.1°C), are the coldest months in Waimalu.

What are the most humid months in Waimalu?

February and December, with an average relative humidity of 76%, are most humid months in Waimalu, Hawaii.

What are the least humid months in Waimalu?

April through June and September, with an average relative humidity of 74%, are the least humid months in Waimalu, Hawaii.

When are the longest days in Waimalu?

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

What month has the most sunshine in Waimalu?

June has the most sunshine of the year, with an average of 9.9h of sunshine.

What is the driest month in Waimalu?

July is the month with the least rainfall in Waimalu, Hawaii. Rain falls for 16.4 days and accumulates 0.71" (18mm) of precipitation.

What is the warmest month in Waimalu?

Warmest months in Waimalu are August and September, with an average high-temperature of 82°F (27.8°C).

What are the months with the warmest ocean in Waimalu?

August through October, with an average ocean temperature of 80.6°F (27°C), are months with the warmest seawater.

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

The month with the highest UV index in Waimalu is September, with an average maximum UV index of 7.

What is the wettest month in Waimalu?

The month with the most rainfall is October when the rain falls for 18.4 days and typically aggregates up to 2.09" (53mm) of precipitation.

What is the month with the least sunshine in Waimalu?

Months with the least sunshine in Waimalu are November and December, with an average of 6.3h of sunshine.

What is the month with the shortest days in Waimalu?

December has the shortest days of the year, with an average of 10.8h of daylight.
Average temperature - Waimalu, HI
Average humidity - Waimalu, HI

Months with the highest relative humidity are February and December (76%).
Months with the lowest relative humidity are April, May, June and September (74%).

Average rainfall - Waimalu, HI

The wettest month (with the highest rainfall) is October (2.09").
The driest month (with the lowest rainfall) is July (0.71").

Average rainfall days - Waimalu, HI

The month with the highest number of rainy days is March (20 days).
The month with the lowest number of rainy days is January (13.5 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).

The month with most sunshine is June (Average sunshine: 9.9h).
Months with least sunshine are November and December (Average sunshine: 6.3).

Average UV index - Waimalu, HI

The month with the highest UV index is September (UV index 7).
Months with the lowest UV index are January, February, March, April, May, June, July, August, October, November and December (UV index 6).