Climate and monthly weather forecast
Captain Cook, HI

Weather in January

January, like December, is an agreeable winter month in Captain Cook, Hawaii, with temperature in the range of an average high of 69.4°F (20.8°C) and an average low of 65.1°F (18.4°C). In Captain Cook, the average high-temperature in January is relatively the same as in December - a still pleasant 69.4°F (20.8°C). Weather in January »

Weather in February

The last month of the winter, February, is another pleasant month in Captain Cook, Hawaii, with an average temperature fluctuating between 64.9°F (18.3°C) and 68.9°F (20.5°C). The coldest month is February, with an average high-temperature of 68.9°F (20.5°C) and an average low-temperature of 64.9°F (18.3°C). Weather in February »

Weather in March

March, the first month of the spring in Captain Cook, is still a pleasant month, with an average temperature ranging between min 64.8°F (18.2°C) and max 69.3°F (20.7°C). In Captain Cook, the average high-temperature in March is essentially the same as in February - a still agreeable 69.3°F (20.7°C). Weather in March »

Weather in April

April, like March, is an agreeable spring month in Captain Cook, Hawaii, with temperature in the range of an average high of 69.3°F (20.7°C) and an average low of 64.9°F (18.3°C). In April, the average high-temperature remains the same as in March - a still agreeable 69.3°F (20.7°C). Weather in April »

Weather in May

May, the last month of the spring in Captain Cook, is another pleasant month, with an average temperature varying between 66.7°F (19.3°C) and 71.1°F (21.7°C). In Captain Cook, the average high-temperature in May is essentially the same as in April - a still agreeable 71.1°F (21.7°C). Weather in May »

Weather in June

The first month of the summer, June, is still a pleasant month in Captain Cook, Hawaii, with temperature in the range of an average low of 68.5°F (20.3°C) and an average high of 72.1°F (22.3°C). In Captain Cook, the average high-temperature in June is almost the same as in May - a still agreeable 72.1°F (22.3°C). Weather in June »

Weather in July

July, like June, is an agreeable summer month in Captain Cook, Hawaii, with an average temperature varying between 69.1°F (20.6°C) and 73°F (22.8°C). In Captain Cook, the average high-temperature in July is essentially the same as in June - a still pleasant 73°F (22.8°C). Weather in July »

Weather in August

The last month of the summer, August, is another pleasant month in Captain Cook, Hawaii, with an average temperature varying between 69.1°F (20.6°C) and 73.2°F (22.9°C). The warmest months are August and October, with an average high-temperature of 73.2°F (22.9°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Captain Cook, Hawaii, with an average temperature fluctuating between 73°F (22.8°C) and 69.8°F (21°C). In September, the average high-temperature is practically the same as in August - a still pleasant 73°F (22.8°C). Weather in September »

Weather in October

October, the same as September, in Captain Cook, Hawaii, is an agreeable autumn month, with an average temperature ranging between max 73.2°F (22.9°C) and min 70°F (21.1°C). The warmest months are August and October, with an average high-temperature of 73.2°F (22.9°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an agreeable month in Captain Cook, Hawaii, with an average temperature fluctuating between 71.8°F (22.1°C) and 68.5°F (20.3°C). In Captain Cook, Hawaii, the average high-temperature in November is essentially the same as in October - a still agreeable 71.8°F (22.1°C). Weather in November »

Weather in December

December, the first month of the winter in Captain Cook, is also an agreeable month, with an average temperature ranging between max 70.5°F (21.4°C) and min 66.6°F (19.2°C). In December, the average high-temperature is relatively the same as in November - a still pleasant 70.5°F (21.4°C). Weather in December »
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FAQ

What is the driest month in Captain Cook?

The month with the least rainfall in Captain Cook is January, when the rain falls for 10.8 days and typically collects 0.75" (19mm) of precipitation.

How many days does it rain in Captain Cook?

Throughout the year, there are 216.1 rainfall days, and 16.57" (421mm) of precipitation is accumulated.

What is the month with the lowest UV index in Captain Cook?

The months with the lowest UV index in Captain Cook, Hawaii, are January through April, November and December, with an average maximum UV index of 5.

What is the coldest month in Captain Cook?

The coldest month in Captain Cook, Hawaii, is February, with an average high-temperature of 68.9°F (20.5°C) and an average low-temperature of 64.9°F (18.3°C).

What is the least humid month in Captain Cook?

February is the least humid month in Captain Cook, with an average relative humidity of 73%.

What month has the most sunshine in Captain Cook?

May has the most sunshine of the year, with an average of 10.7h of sunshine.

When is the highest UV index in Captain Cook?

May through October, with an average maximum UV index of 6, are months with the highest UV index.

What is the most humid month in Captain Cook?

June through September, with an average relative humidity of 81%, are most humid months.

When are the longest days in Captain Cook?

With an average of 13h and 17min of daylight, June has the longest days of the year in Captain Cook, Hawaii.

What is the warmest month in Captain Cook?

Warmest months in Captain Cook are August and October, with an average high-temperature of 73.2°F (22.9°C).

What is the wettest month in Captain Cook?

The month with the most rainfall in Captain Cook is September, when the rain falls for 21.5 days and typically aggregates up to 1.81" (46mm) of precipitation.

What is the month with the least sunshine in Captain Cook?

The months with the least sunshine in Captain Cook are November and December, with an average of 7.3h of sunshine.

What is the month with the shortest days in Captain Cook?

With an average of 10h and 59min of daylight, December has the shortest days of the year.

Is there Daylight Saving Time (DST) in Captain Cook?

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

Average temperature
Captain Cook, HI

Average temperature - Captain Cook, HI

The warmest months (with the highest average high temperature) are August and October (73.2°F).
The month with the lowest average high temperature is February (68.9°F).

The month with the highest average low temperature is October (70°F).
The coldest month (with the lowest average low temperature) is March (64.8°F).

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Average pressure
Captain Cook, HI

Average pressure - Captain Cook, HI

The month with the highest atmospheric pressure is April (30.04"Hg).
The months with the lowest atmospheric pressure are September and October (29.96"Hg).

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Average wind speed
Captain Cook, HI

Average wind speed - Captain Cook, HI

The windiest month (with the highest average wind speed) is May (6.3mph).
The calmest month (with the lowest average wind speed) is December (5.3mph).

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Average humidity
Captain Cook, HI

Average humidity - Captain Cook, HI

The months with the highest relative humidity are June, July, August and September (81%).
The month with the lowest relative humidity is February (73%).

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Average rainfall
Captain Cook, HI

Average rainfall - Captain Cook, HI

The wettest month (with the highest rainfall) is September (1.81").
The driest month (with the least rainfall) is January (0.75").

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Average rainfall days
Captain Cook, HI

Average rainfall days - Captain Cook, HI

The month with the highest number of rainy days is August (21.8 days).
The month with the least rainy days is January (10.8 days).

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Average daylight / Average sunshine
Captain Cook, HI

Average daylight / Average sunshine - Captain Cook, HI

The month with the longest days is June (Average daylight: 13h and 17min).
The month with the shortest days is December (Average daylight: 10h and 59min).

The month with the most sunshine is May (Average sunshine: 10h and 42min).
The months with the least sunshine are November and December (Average sunshine: 7h and 18min).

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Average sunshine days
Captain Cook, HI

Average sunshine days - Captain Cook, HI

The month with the most sunshine days is January (12.7 days).
The month with the least sunshine days is May (3.2 days).

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Average UV index
Captain Cook, HI

Average UV index - Captain Cook, HI

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

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Average visibility
Captain Cook, HI

Average visibility - Captain Cook, 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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