Climate and monthly weather forecast
Hakalau, HI

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Weather in January

January, the same as December, in Hakalau, Hawaii, is an agreeable winter month, with temperature in the range of an average low of 64.8°F (18.2°C) and an average high of 70.9°F (21.6°C). Stepping into January, Hakalau records an average high-temperature of a still agreeable 70.9°F (21.6°C), almost consistent with December. Weather in January »

Weather in February

The last month of the winter, February, is another pleasant month in Hakalau, Hawaii, with an average temperature varying between 70.2°F (21.2°C) and 64.2°F (17.9°C). February is marked by an average high-temperature of a still agreeable 70.2°F (21.2°C), almost identical to the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Hakalau, is also an agreeable month, with an average temperature ranging between min 64°F (17.8°C) and max 69.6°F (20.9°C). March, having an average high-temperature of 69.6°F (20.9°C) and an average low-temperature of 64°F (17.8°C), is the coldest month. Weather in March »

Weather in April

April, like March, is an agreeable spring month in Hakalau, Hawaii, with an average temperature fluctuating between 70.9°F (21.6°C) and 64.9°F (18.3°C). With the onset of April, the average high-temperature stands at a still agreeable 70.9°F (21.6°C), closely aligned with March's 69.6°F (20.9°C). Weather in April »

Weather in May

The last month of the spring, May, is another pleasant month in Hakalau, Hawaii, with an average temperature varying between 66.2°F (19°C) and 72.1°F (22.3°C). The shift into May finds Hakalau at an average high-temperature of a still agreeable 72.1°F (22.3°C), closely comparable to April's conditions. Weather in May »

Weather in June

June, the first month of the summer in Hakalau, is a warm month, with an average temperature varying between 66.9°F (19.4°C) and 73.6°F (23.1°C). In Hakalau, June's average high-temperature stands at a warm 73.6°F (23.1°C), closely related to the preceding month. Weather in June »

Weather in July

July, the same as June, is another warm summer month in Hakalau, Hawaii, with an average temperature fluctuating between 74.7°F (23.7°C) and 68.4°F (20.2°C). July's weather displays an average high-temperature of a still moderately hot 74.7°F (23.7°C), slightly varied from June's 73.6°F (23.1°C). Weather in July »

Weather in August

August, the last month of the summer in Hakalau, is another warm month, with an average temperature ranging between max 75.4°F (24.1°C) and min 68.9°F (20.5°C). With its high average temperature of 75.4°F (24.1°C) and a low of 68.9°F (20.5°C), August is regarded as the warmest month. Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Hakalau, Hawaii, with an average temperature varying between 75.2°F (24°C) and 70°F (21.1°C). September's weather records an average high-temperature of a still warm 75.2°F (24°C), showing little deviation from August. Weather in September »

Weather in October

October, like September, in Hakalau, Hawaii, is a moderately hot autumn month, with temperature in the range of an average high of 74.7°F (23.7°C) and an average low of 69.6°F (20.9°C). Hakalau marks the arrival of October with an average high-temperature of a still moderately hot 74.7°F (23.7°C), hardly different from September's 75.2°F (24°C). Weather in October »

Weather in November

November, the last month of the autumn in Hakalau, is also an agreeable month, with an average temperature varying between 72.9°F (22.7°C) and 68°F (20°C). With November's advent, Hakalau sees an average high-temperature of an agreeable 72.9°F (22.7°C), subtly shifted from October's 74.7°F (23.7°C). Weather in November »

Weather in December

December, the first month of the winter in Hakalau, is still a pleasant month, with an average temperature varying between 66.4°F (19.1°C) and 71.6°F (22°C). With the onset of December, the average high-temperature registers at a still agreeable 71.6°F (22°C), subtly different from November's 72.9°F (22.7°C). Weather in December »
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Frequently asked questions

What is the least humid month in Hakalau?

The months with the lowest humidity in Hakalau, Hawaii, are January, May through July, with an average relative humidity of 78%.

How many days does it rain in Hakalau?

Throughout the year, in Hakalau, Hawaii, there are 227.7 rainfall days, and 27.83" (707mm) of precipitation is accumulated.

When is the lowest UV index in Hakalau?

The months with the lowest UV index in Hakalau are January through April, with an average maximum UV index of 5.

What is the rainiest month in Hakalau?

February is the month with the most rainfall. Rain falls for 16.7 days and accumulates 3.78" (96mm) of precipitation.

What are the coldest months in Hakalau?

March is the coldest month in Hakalau, Hawaii, exhibiting average temperatures of 69.6°F (20.9°C) at the peak and 64°F (17.8°C) at the base.

What is the most humid month in Hakalau?

The most humid month is March, with an average relative humidity of 80%.

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

The months with the highest UV index in Hakalau, Hawaii, are May through December, with an average maximum UV index of 6.

What is the driest month in Hakalau?

The month with the least rainfall in Hakalau, Hawaii, is June, when the rain falls for 17.3 days and typically collects 1.1" (28mm) of precipitation.

When are the longest days in Hakalau?

With an average of 13h and 18min of daylight, June has the longest days of the year.

What month has the most sunshine in Hakalau?

With an average of 10.9h of sunshine, June has the most sunshine of the year.

What time of the year is the hottest in Hakalau?

August is the warmest month of the year in Hakalau, Hawaii, registering average temperatures as high as 75.4°F (24.1°C) and as low as 68.9°F (20.5°C).

What is the month with the shortest days in Hakalau?

December has the shortest days of the year in Hakalau, Hawaii, with an average of 11h and 0min of daylight.

Is there Daylight Saving Time (DST) in Hakalau?

Hakalau, Hawaii, does not utilize Daylight Saving Time (DST). HST timezone is used over the entire year.

What is the month with the least sunshine in Hakalau?

The month with the least sunshine is December, with an average of 6.5h of sunshine.

Average temperature
Hakalau, HI

Average temperature - Hakalau, HI

The warmest month (with the highest average high temperature) is August (75.4°F).
The month with the lowest average high temperature is March (69.6°F).

The month with the highest average low temperature is September (70°F).
The coldest month (with the lowest average low temperature) is March (64°F).

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Average pressure
Hakalau, HI

Average pressure - Hakalau, HI

The month with the highest atmospheric pressure is April (30.05"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).

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Average wind speed
Hakalau, HI

Average wind speed - Hakalau, HI

The windiest month (with the highest average wind speed) is August (7.6mph).
The calmest month (with the lowest average wind speed) is October (6.7mph).

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Average humidity
Hakalau, HI

Average humidity - Hakalau, HI

The month with the highest relative humidity is March (80%).
The months with the lowest relative humidity are January, May, June and July (78%).

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Average rainfall
Hakalau, HI

Average rainfall - Hakalau, HI

The wettest month (with the highest rainfall) is February (3.78").
The driest month (with the least rainfall) is June (1.1").

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Average rainfall days
Hakalau, HI

Average rainfall days - Hakalau, HI

The month with the highest number of rainy days is March (22.9 days).
The month with the least rainy days is January (13.3 days).

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Average daylight / Average sunshine
Hakalau, HI

Average daylight / Average sunshine - Hakalau, HI

The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).

The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

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Average sunshine days
Hakalau, HI

Average sunshine days - Hakalau, HI

The month with the most sunshine days is January (12.1 days).
The month with the least sunshine days is August (1.8 days).

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Average UV index
Hakalau, HI

Average UV index - Hakalau, HI

The months with the highest UV index are May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March and April (UV index 5).

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Average visibility
Hakalau, HI

Average visibility - Hakalau, 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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Hakalau, Hawaii, USA

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