Climate and monthly weather forecast
Waimanalo, HI

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Weather in January

January, like December, in Waimanalo, Hawaii, is another warm winter month, with an average temperature varying between 75.2°F (24°C) and 71.8°F (22.1°C). Waimanalo's average high-temperature in January is a still moderately hot 75.2°F (24°C), marking an insignificant difference from the 75.9°F (24.4°C) of December. Weather in January »

Weather in February

February, the last month of the winter in Waimanalo, is another warm month, with an average temperature fluctuating between 74.5°F (23.6°C) and 70.5°F (21.4°C). February, recording an average high temperature of 74.5°F (23.6°C) and a low temperature of 70.5°F (21.4°C), is Waimanalo's coldest month. Weather in February »

Weather in March

The first month of the spring, March, is also a moderately hot month in Waimanalo, Hawaii, with an average temperature varying between 74.7°F (23.7°C) and 71.1°F (21.7°C). As Waimanalo, Hawaii, steps into March, the average high-temperature holds at a still moderately hot 74.7°F (23.7°C), hinting at a minor fluctuation from the prior month. Weather in March »

Weather in April

April, the same as March, is another warm spring month in Waimanalo, Hawaii, with an average temperature varying between 76.1°F (24.5°C) and 73°F (22.8°C). A minor adjustment in Waimanalo's average high-temperature is noted with the start of April, touching a still warm 76.1°F (24.5°C) from March's 74.7°F (23.7°C). Weather in April »

Weather in May

May, the last month of the spring in Waimanalo, is another warm month, with temperature in the range of an average low of 74.1°F (23.4°C) and an average high of 77.7°F (25.4°C). May denotes a minimal variation in the average high-temperature to a still moderately hot 77.7°F (25.4°C) from April's 76.1°F (24.5°C). Weather in May »

Weather in June

June, the first month of the summer in Waimanalo, is still a warm month, with an average temperature varying between 75.4°F (24.1°C) and 78.4°F (25.8°C). Waimanalo's average high-temperature in June is a still warm 78.4°F (25.8°C), indicating a subtle variation from May. Weather in June »

Weather in July

July, like June, in Waimanalo, Hawaii, is another warm summer month, with an average temperature ranging between max 79.7°F (26.5°C) and min 76.6°F (24.8°C). The advent of July signifies a minor shift to an average high-temperature of a still warm 79.7°F (26.5°C), aligning closely with June. Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Waimanalo, Hawaii, with temperature in the range of an average low of 76.8°F (24.9°C) and an average high of 80.2°F (26.8°C). August denotes a minimal variation in the average high-temperature to a still warm 80.2°F (26.8°C) from July's 79.7°F (26.5°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Waimanalo, Hawaii, with an average temperature fluctuating between 80.6°F (27°C) and 77°F (25°C). September, characterized by an average high temperature of 80.6°F (27°C) and a low temperature of 77°F (25°C), is generally the warmest month. Throughout September, the heat index is computed to be 84.2°F (29°C). Weather in September »

Weather in October

October, like September, in Waimanalo, Hawaii, is another warm autumn month, with an average temperature ranging between min 77°F (25°C) and max 80.4°F (26.9°C). Waimanalo measures an average high-temperature of a still moderately hot 80.4°F (26.9°C) in October, nearly consistent with the preceding month. Weather in October »

Weather in November

The last month of the autumn, November, is also a moderately hot month in Waimanalo, Hawaii, with temperature in the range of an average high of 78.1°F (25.6°C) and an average low of 75.4°F (24.1°C). The shift into November finds Waimanalo at an average high-temperature of a still moderately hot 78.1°F (25.6°C), closely comparable to October's conditions. Weather in November »

Weather in December

December, the first month of the winter in Waimanalo, is also a moderately hot month, with an average temperature varying between 73.2°F (22.9°C) and 75.9°F (24.4°C). The transition from November to December sees average high-temperatures adjusting to a still warm 75.9°F (24.4°C), from a not significantly different 78.1°F (25.6°C). Weather in December »
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Frequently asked questions

What are the least humid months in Waimanalo?

January and November, with an average relative humidity of 74%, are the least humid months in Waimanalo, Hawaii.

How many days does it rain in Waimanalo?

In Waimanalo, Hawaii, during the entire year, the rain falls for 169.9 days and collects up to 13.15" (334mm) of precipitation.

What are the months with the lowest UV index in Waimanalo?

The months with the lowest UV index in Waimanalo, Hawaii, are January through June, November and December, with an average maximum UV index of 6.

What month is the coldest in Waimanalo?

In Waimanalo, the lowest temperatures are generally noted in February, averaging a high of 74.5°F (23.6°C) and a low of 70.5°F (21.4°C).

What is the wettest month in Waimanalo?

March is the month with the most rainfall in Waimanalo, Hawaii. Rain falls for 16.9 days and accumulates 1.69" (43mm) of precipitation.

What are the most humid months in Waimanalo?

The months with the highest humidity in Waimanalo, Hawaii, are April, June through August and December, with an average relative humidity of 76%.

When are the longest days in Waimanalo?

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

What month has the most sunshine in Waimanalo?

June has the most sunshine of the year in Waimanalo, Hawaii, with an average of 11.2h of sunshine.

What is the driest month in Waimanalo?

The month with the least rainfall in Waimanalo, Hawaii, is July, when the rain falls for 11.8 days and typically collects 0.55" (14mm) of precipitation.

What are the months with the highest UV index in Waimanalo?

The months with the highest UV index in Waimanalo are July through October, with an average maximum UV index of 7.

What is the warmest month in Waimanalo?

September, having an average high-temperature of 80.6°F (27°C) and an average low-temperature of 77°F (25°C), is the warmest month in Waimanalo, Hawaii.

What is the month with the shortest days in Waimanalo?

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

Is there Daylight Saving Time (DST) in Waimanalo?

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

What is the month with the least sunshine in Waimanalo?

The month with the least sunshine is December, with an average of 6.6h of sunshine.

Average temperature
Waimanalo, HI

Average temperature - Waimanalo, HI

The warmest month (with the highest average high temperature) is September (80.6°F).
The month with the lowest average high temperature is February (74.5°F).

The months with the highest average low temperature are September and October (77°F).
The coldest month (with the lowest average low temperature) is February (70.5°F).

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Average pressure
Waimanalo, HI

Average pressure - Waimanalo, HI

The month with the highest atmospheric pressure is April (30.06"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).

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Average wind speed
Waimanalo, HI

Average wind speed - Waimanalo, HI

The windiest month (with the highest average wind speed) is July (14.1mph).
The calmest month (with the lowest average wind speed) is January (10.7mph).

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Average humidity
Waimanalo, HI

Average humidity - Waimanalo, HI

The months with the highest relative humidity are April, June, July, August and December (76%).
The months with the lowest relative humidity are January and November (74%).

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Average rainfall
Waimanalo, HI

Average rainfall - Waimanalo, HI

The wettest month (with the highest rainfall) is March (1.69").
The driest month (with the least rainfall) is July (0.55").

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Average rainfall days
Waimanalo, HI

Average rainfall days - Waimanalo, HI

The month with the highest number of rainy days is March (16.9 days).
The month with the least rainy days is June (11.3 days).

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Average daylight / Average sunshine
Waimanalo, HI

Average daylight / Average sunshine - Waimanalo, 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).

The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

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Average sunshine days
Waimanalo, HI

Average sunshine days - Waimanalo, HI

The month with the most sunshine days is June (13.6 days).
The months with the least sunshine days are March and November (6.6 days).

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Average UV index
Waimanalo, HI

Average UV index - Waimanalo, HI

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

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Average visibility
Waimanalo, HI

Average visibility - Waimanalo, HI

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Waimanalo, Hawaii, USA

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