Keauhou
Hawaii, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Keauhou, HI

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Contents

Weather in January

January, like December, is an agreeable winter month in Keauhou, Hawaii, with average temperature fluctuating between 69.4°F (20.8°C) and 65.1°F (18.4°C). In January, the average high-temperature is essentially the same as in December - a still agreeable 69.4°F (20.8°C). Weather in January »

Weather in February

February, the last month of the winter, in Keauhou, is another pleasant month, with average temperature ranging between min 64.9°F (18.3°C) and max 68.9°F (20.5°C). With an average high-temperature of 68.9°F (20.5°C) and an average low-temperature of 64.9°F (18.3°C), February is the coldest month. Weather in February »

Weather in March

The first month of the spring, March, is also an agreeable month in Keauhou, Hawaii, with average temperature fluctuating between 64.8°F (18.2°C) and 69.3°F (20.7°C). In Keauhou, Hawaii, the average high-temperature in March is relatively the same as in February - a still pleasant 69.3°F (20.7°C). Weather in March »

Weather in April

April, like March, is another pleasant spring month in Keauhou, Hawaii, with average temperature fluctuating between 64.9°F (18.3°C) and 69.3°F (20.7°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

The last month of the spring, May, is another pleasant month in Keauhou, Hawaii, with average temperature fluctuating between 71.1°F (21.7°C) and 66.7°F (19.3°C). In Keauhou, the average high-temperature in May is almost the same as in April - a still pleasant 71.1°F (21.7°C). Weather in May »

Weather in June

The first month of the summer, June, is also an agreeable month in Keauhou, Hawaii, with average temperature fluctuating between 68.5°F (20.3°C) and 72.1°F (22.3°C). In June, the average high-temperature is essentially the same as in May - a still pleasant 72.1°F (22.3°C). Weather in June »

Weather in July

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

Weather in August

August, the last month of the summer, in Keauhou, is another pleasant month, with average temperature ranging between min 69.1°F (20.6°C) and max 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 still a pleasant month in Keauhou, Hawaii, with average temperature ranging between min 69.8°F (21°C) and max 73°F (22.8°C). In Keauhou, the average high-temperature is almost 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 Keauhou, Hawaii, is an agreeable autumn month, with average temperature varying between 70°F (21.1°C) and 73.2°F (22.9°C). August and October, with an average high-temperature of 73.2°F (22.9°C), are the warmest months. Weather in October »

Weather in November

The last month of the autumn, November, is another pleasant month in Keauhou, Hawaii, with temperature in the range of an average low of 68.5°F (20.3°C) and an average high of 71.8°F (22.1°C). In November, the average high-temperature is almost the same as in October - a still agreeable 71.8°F (22.1°C). Weather in November »

Weather in December

The first month of the winter, December, is also an agreeable month in Keauhou, Hawaii, with average temperature varying between 66.6°F (19.2°C) and 70.5°F (21.4°C). In Keauhou, the average high-temperature is almost the same as in November - a still pleasant 70.5°F (21.4°C). Weather in December »

FAQ

How many days does it rain in Keauhou?

In Keauhou, Hawaii, during the entire year, the rain falls for 216.1 days and collects up to 16.57" (421mm) of precipitation.

What is the driest month in Keauhou?

January is the month with the least rainfall. Rain falls for 10.8 days and accumulates 0.75" (19mm) of precipitation.

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

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

What is the coldest month in Keauhou?

With an average high-temperature of 68.9°F (20.5°C) and an average low-temperature of 64.9°F (18.3°C), February is the coldest month.

What is the least humid month in Keauhou?

With an average relative humidity of 73%, February is the least humid month.

When is the ocean coldest in Keauhou?

The month with the coldest seawater in Keauhou is March, with an average ocean temperature of 75.9°F (24.4°C).

What month has the most sunshine in Keauhou?

The month with the most sunshine in Keauhou, Hawaii, is May, with an average of 10.7h of sunshine.

What is the month with the highest UV index in Keauhou?

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

What are the most humid months in Keauhou?

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

When are the longest days in Keauhou?

June has the longest days of the year in Keauhou, with an average of 13.3h of daylight.

What is the warmest month in Keauhou?

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

What is the rainiest month in Keauhou?

The month with the most rainfall in Keauhou 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 warmest ocean in Keauhou?

September is the month with the warmest seawater, with an average ocean temperature of 80.1°F (26.7°C).

What is the month with the least sunshine in Keauhou?

Months with the least sunshine are November and December, with an average of 7.3h of sunshine.

What is the month with the shortest days in Keauhou?

The month with the shortest days in Keauhou is December, with an average of 11h of daylight.

Average temperature
Keauhou, HI

Average temperature - Keauhou, HI

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).

Average humidity
Keauhou, HI

Average humidity - Keauhou, HI

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

Average rainfall
Keauhou, HI

Average rainfall - Keauhou, HI

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

Average rainfall days
Keauhou, HI

Average rainfall days - Keauhou, HI

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

Average sea temperature
Keauhou, HI

Average sea temperature - Keauhou, HI

The best month for swimming (with the highest average sea temperature) is September (80°F).
The coldest month (with the lowest average sea temperature) is March (76°F).

Average daylight / Average sunshine
Keauhou, HI

Average daylight / Average sunshine - Keauhou, HI

The month with the longest days is June (Average daylight: 13.3h).
The month with shortest days is December (Average daylight: 11h).

The month with most sunshine is May (Average sunshine: 10.7h).
Months with least sunshine are November and December (Average sunshine: 7.3).

Average UV index
Keauhou, HI

Average UV index - Keauhou, HI

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