Monthly weather forecast and climate
Hana, HI

Weather in January

January, like December, in Hana, Hawaii, is another warm winter month, with average temperature fluctuating between 71.1°F (21.7°C) and 73.8°F (23.2°C). In Hana, the average high-temperature is essentially the same as in December - a still warm 73.8°F (23.2°C). Weather in January »

Weather in February

The last month of the winter, February, is another pleasant month in Hana, Hawaii, with average temperature varying between 70°F (21.1°C) and 73°F (22.8°C). In February, the average high-temperature is essentially the same as in January - an agreeable 73°F (22.8°C). Weather in February »

Weather in March

March, the first month of the spring, in Hana, is also an agreeable month, with average temperature ranging between max 72.9°F (22.7°C) and min 69.8°F (21°C). March is the coldest month, with an average high-temperature of 72.9°F (22.7°C) and an average low-temperature of 69.8°F (21°C). Weather in March »

Weather in April

April is a moderately hot spring month in Hana, Hawaii, with average temperature ranging between max 74.3°F (23.5°C) and min 70.9°F (21.6°C). In Hana, the average high-temperature is almost the same as in March - a warm 74.3°F (23.5°C). Weather in April »

Weather in May

May, the last month of the spring, in Hana, is another warm month, with average temperature varying between 75.4°F (24.1°C) and 72.7°F (22.6°C). In Hana, the average high-temperature is practically the same as in April - a still moderately hot 75.4°F (24.1°C). Weather in May »

Weather in June

June, the first month of the summer, in Hana, is also a moderately hot month, with average temperature ranging between min 74.1°F (23.4°C) and max 76.8°F (24.9°C). In June, the average high-temperature is practically the same as in May - a still warm 76.8°F (24.9°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Hana, Hawaii, with average temperature ranging between min 75°F (23.9°C) and max 77.5°F (25.3°C). In July, the average high-temperature is almost the same as in June - a still moderately hot 77.5°F (25.3°C). Weather in July »

Weather in August

August, the last month of the summer, in Hana, is another warm month, with average temperature fluctuating between 75.7°F (24.3°C) and 78.6°F (25.9°C). In August, the average high-temperature is relatively the same as in July - a still warm 78.6°F (25.9°C). Weather in August »

Weather in September

September, the first month of the autumn, in Hana, is also a moderately hot month, with average temperature fluctuating between 76.1°F (24.5°C) and 79°F (26.1°C). With an average high-temperature of 79°F (26.1°C) and an average low-temperature of 76.1°F (24.5°C), September is the warmest month. Weather in September »

Weather in October

October, like September, in Hana, Hawaii, is another warm autumn month, with temperature in the range of an average high of 77.9°F (25.5°C) and an average low of 75.6°F (24.2°C). In October, the average high-temperature is relatively the same as in September - a still warm 77.9°F (25.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is another warm month in Hana, Hawaii, with average temperature varying between 73.9°F (23.3°C) and 76.1°F (24.5°C). In Hana, the average high-temperature is essentially the same as in October - a still moderately hot 76.1°F (24.5°C). Weather in November »

Weather in December

December, the first month of the winter, in Hana, is still a warm month, with temperature in the range of an average low of 72°F (22.2°C) and an average high of 74.5°F (23.6°C). In Hana, the average high-temperature in December is practically the same as in November - a still moderately hot 74.5°F (23.6°C). Weather in December »
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FAQ

What are the least humid months in Hana?

Months with the lowest humidity are January and February, with an average relative humidity of 76%.

How many days does it rain in Hana?

In Hana, Hawaii, during the entire year, the rain falls for 136.7 days and collects up to 13.94" (354mm) of precipitation.

How many days does it snow in Hana?

Throughout the year, in Hana, there are 0.1 snowfall days.

When it does not snow in Hana?

January through August, October through December are months without snowfall.

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

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

What is the coldest month in Hana?

The coldest month in Hana is March, with an average high-temperature of 72.9°F (22.7°C) and an average low-temperature of 69.8°F (21°C).

What month is the ocean coldest in Hana?

The month with the coldest seawater in Hana is March, with an average ocean temperature of 75.4°F (24.1°C).

When are the longest days in Hana?

With an average of 13.4h of daylight, June has the longest days of the year in Hana.

What is the month with the most sunshine in Hana?

June and July, with an average of 11.3h of sunshine, are months with the most sunshine in Hana.

What is the most humid month in Hana?

Months with the highest humidity are July and August, with an average relative humidity of 78%.

What is the warmest month in Hana?

The warmest month in Hana is September, with an average high-temperature of 79°F (26.1°C) and an average low-temperature of 76.1°F (24.5°C).

What is the driest month in Hana?

The month with the least rainfall in Hana, Hawaii, is September when the rain falls for 8.1 days and typically collects 0.43" (11mm) of precipitation.

When does it snow in Hana?

The only month with snowfall in Hana is September.

What is the snowiest month in Hana?

The month with the most snowfall days in Hana, Hawaii, is September when snow falls for 0.1 days.

What is the month with the warmest ocean in Hana?

September is the month with the warmest seawater in Hana, Hawaii, with an average ocean temperature of 79.3°F (26.3°C).

When is the highest UV index in Hana?

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

What is the wettest month in Hana?

The month with the most rainfall is October when the rain falls for 11.9 days and typically aggregates up to 2.17" (55mm) of precipitation.

What is the month with the shortest days in Hana?

With an average of 10.9h of daylight, December has the shortest days of the year in Hana.

What is the month with the least sunshine in Hana?

December has the least sunshine of the year in Hana, with an average of 6.7h of sunshine.

Average temperature
Hana, HI

Average temperature - Hana, HI

The warmest month (with the highest average high temperature) is September (26.1°C).
The month with the lowest average high temperature is March (22.7°C).

The month with the highest average low temperature is September (24.5°C).
The coldest month (with the lowest average low temperature) is March (21°C).

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Average pressure
Hana, HI

Average pressure - Hana, HI

The month with the highest atmospheric pressure is April (1017.8mbar).
The month with the lowest atmospheric pressure is October (1014.9mbar).

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Average wind speed
Hana, HI

Average wind speed - Hana, HI

The windiest month (with the highest average wind speed) is June (23.2km/h).
The calmest month (with the lowest average wind speed) is January (17.6km/h).

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Average humidity
Hana, HI

Average humidity - Hana, HI

Months with the highest relative humidity are July and August (78%).
Months with the lowest relative humidity are January and February (76%).

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Average rainfall
Hana, HI

Average rainfall - Hana, HI

The wettest month (with the highest rainfall) is October (55mm).
The driest month (with the least rainfall) is September (11mm).

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Average rainfall days
Hana, HI

Average rainfall days - Hana, HI

The month with the highest number of rainy days is March (14.1 days).
The month with the least rainy days is September (8.1 days).

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Average snowfall days
Hana, HI

Average snowfall days - Hana, HI

The month with the highest number of snowfall days is September (0.1 days).
Months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).

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Average sea temperature
Hana, HI

Average sea temperature - Hana, HI

The best month for swimming (with the highest average sea temperature) is September (26.3°C).
The coldest month (with the lowest average sea temperature) is March (24.1°C).

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Average daylight / Average sunshine
Hana, HI

Average daylight / Average sunshine - Hana, HI

The month with the longest days is June (Average daylight: 13.4h).
The month with the shortest days is December (Average daylight: 10.9h).

Months with the most sunshine are June and July (Average sunshine: 11.3h).
The month with the least sunshine is December (Average sunshine: 6.7h).

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Average sunshine days
Hana, HI

Average sunshine days - Hana, HI

The month with the most sunshine days is January (16.8 days).
The month with the least sunshine days is November (11.2 days).

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Average UV index
Hana, HI

Average UV index - Hana, 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).

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Average visibility
Hana, HI

Average visibility - Hana, HI

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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