Climate and monthly weather forecast
Waimanalo Beach, HI

Weather in January

January, the same as December, is a moderately hot winter month in Waimanalo Beach, Hawaii, with temperature in the range of an average high of 75.2°F (24°C) and an average low of 71.8°F (22.1°C). In Waimanalo Beach, the average high-temperature in January is relatively the same as in December - a still moderately hot 75.2°F (24°C). Weather in January »

Weather in February

The last month of the winter, February, is also a moderately hot month in Waimanalo Beach, Hawaii, with average temperature fluctuating between 74.5°F (23.6°C) and 70.5°F (21.4°C). The coldest month is February, with an average high-temperature of 74.5°F (23.6°C) and an average low-temperature of 70.5°F (21.4°C). Weather in February »

Weather in March

The first month of the spring, March, is still a warm month in Waimanalo Beach, Hawaii, with average temperature varying between 74.7°F (23.7°C) and 71.1°F (21.7°C). In Waimanalo Beach, the average high-temperature in March is relatively the same as in February - a still moderately hot 74.7°F (23.7°C). Weather in March »

Weather in April

April, the same as March, is another warm spring month in Waimanalo Beach, Hawaii, with average temperature fluctuating between 76.1°F (24.5°C) and 73°F (22.8°C). In April, the average high-temperature is essentially the same as in March - a still moderately hot 76.1°F (24.5°C). Weather in April »

Weather in May

The last month of the spring, May, is also a moderately hot month in Waimanalo Beach, Hawaii, with average temperature varying between 74.1°F (23.4°C) and 77.7°F (25.4°C). In May, the average high-temperature is essentially the same as in April - a still moderately hot 77.7°F (25.4°C). Weather in May »

Weather in June

The first month of the summer, June, is still a warm month in Waimanalo Beach, Hawaii, with average temperature fluctuating between 78.4°F (25.8°C) and 75.4°F (24.1°C). In Waimanalo Beach, the average high-temperature is essentially the same as in May - a still moderately hot 78.4°F (25.8°C). Weather in June »

Weather in July

July, like June, in Waimanalo Beach, Hawaii, is a moderately hot summer month, with temperature in the range of an average high of 79.7°F (26.5°C) and an average low of 76.6°F (24.8°C). In Waimanalo Beach, the average high-temperature in July is essentially the same as in June - a still moderately hot 79.7°F (26.5°C). Weather in July »

Weather in August

August, the last month of the summer, in Waimanalo Beach, is another warm month, with average temperature varying between 76.8°F (24.9°C) and 80.2°F (26.8°C). In Waimanalo Beach, the average high-temperature in August is practically the same as in July - a still warm 80.2°F (26.8°C). Weather in August »

Weather in September

September, the first month of the autumn, in Waimanalo Beach, is also a moderately hot month, with average temperature fluctuating between 77°F (25°C) and 80.6°F (27°C). With an average high-temperature of 80.6°F (27°C) and an average low-temperature of 77°F (25°C), September is the warmest month. In September, the average heat index is evaluated at 84.7°F (29.3°C). Weather in September »

Weather in October

October, like September, in Waimanalo Beach, Hawaii, is a moderately hot autumn month, with average temperature varying between 80.4°F (26.9°C) and 77°F (25°C). In Waimanalo Beach, the average high-temperature is relatively the same as in September - a still moderately hot 80.4°F (26.9°C). Weather in October »

Weather in November

November, the last month of the autumn, in Waimanalo Beach, is also a moderately hot month, with average temperature varying between 78.1°F (25.6°C) and 75.4°F (24.1°C). In Waimanalo Beach, Hawaii, the average high-temperature is essentially the same as in October - a still moderately hot 78.1°F (25.6°C). Weather in November »

Weather in December

The first month of the winter, December, is still a warm month in Waimanalo Beach, Hawaii, with average temperature ranging between max 75.9°F (24.4°C) and min 73.2°F (22.9°C). In December, the average high-temperature is almost the same as in November - a still moderately hot 75.9°F (24.4°C). Weather in December »
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FAQ

What are the least humid months in Waimanalo Beach?

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

How much does it rain in Waimanalo Beach?

In Waimanalo Beach, 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 Beach?

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

What is the coldest month in Waimanalo Beach?

The coldest month in Waimanalo Beach is February, with an average high-temperature of 74.5°F (23.6°C) and an average low-temperature of 70.5°F (21.4°C).

What is the wettest month in Waimanalo Beach?

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

What month is the ocean coldest in Waimanalo Beach?

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

What is the most humid month in Waimanalo Beach?

April, June through August and December, with an average relative humidity of 76%, are most humid months in Waimanalo Beach.

When are the longest days in Waimanalo Beach?

The month with the longest days in Waimanalo Beach, Hawaii, is June, with an average of 13.4h of daylight.

What month has the most sunshine in Waimanalo Beach?

The month with the most sunshine in Waimanalo Beach is June, with an average of 11.2h of sunshine.

What is the driest month in Waimanalo Beach?

July is the month with the least rainfall in Waimanalo Beach, Hawaii. Rain falls for 11.8 days and accumulates 0.55" (14mm) of precipitation.

What is the month with the highest UV index in Waimanalo Beach?

Months with the highest UV index in Waimanalo Beach, Hawaii, are July through October, with an average maximum UV index of 7.

What is the warmest month in Waimanalo Beach?

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

What month is the ocean warmest in Waimanalo Beach?

With an average ocean temperature of 80.4°F (26.9°C), September is the month with the warmest seawater.

What is the month with the shortest days in Waimanalo Beach?

With an average of 10.8h of daylight, December has the shortest days of the year in Waimanalo Beach, Hawaii.

What is the month with the least sunshine in Waimanalo Beach?

The month with the least sunshine in Waimanalo Beach, Hawaii, is December, with an average of 6.6h of sunshine.

Average temperature
Waimanalo Beach, HI

Average temperature - Waimanalo Beach, 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).

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 Beach, HI

Average pressure - Waimanalo Beach, HI

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

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Average wind speed
Waimanalo Beach, HI

Average wind speed - Waimanalo Beach, 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 Beach, HI

Average humidity - Waimanalo Beach, HI

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

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Average rainfall
Waimanalo Beach, HI

Average rainfall - Waimanalo Beach, 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 Beach, HI

Average rainfall days - Waimanalo Beach, 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 sea temperature
Waimanalo Beach, HI

Average sea temperature - Waimanalo Beach, HI

The best month for swimming (with the highest average sea temperature) is September (80.4°F).
The coldest month (with the lowest average sea temperature) is March (75.7°F).

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Average daylight / Average sunshine
Waimanalo Beach, HI

Average daylight / Average sunshine - Waimanalo Beach, HI

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

The month with the most sunshine is June (Average sunshine: 11.2h).
The month with the least sunshine is December (Average sunshine: 6.6h).

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Average sunshine days
Waimanalo Beach, HI

Average sunshine days - Waimanalo Beach, HI

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

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Average UV index
Waimanalo Beach, HI

Average UV index - Waimanalo Beach, HI

Months with the highest UV index are July, August, September and October (UV index 7).
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 Beach, HI

Average visibility - Waimanalo Beach, HI

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

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