Kaanapali
Hawaii, USA
Long-term weather forecast
Long-term weather forecast
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October weather forecast and Climate
Kaanapali, HI

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Palm trees on green grass overlooking the famous Kaanapali beach in Hawaii, with clear waters under the partially cloudy skies
Palm trees on green grass overlooking the famous Kaanapali beach in Hawaii, with clear waters under the partially cloudy skies
October brings a transition from the dry to wet season in Kaanapali. The temperatures are usually in the 66°F (18.9°C) to 84°F (28.9°C). The nights tend to be cooler by the second half of the month.
Rainfall is north of 2.1" (53.3mm), and there is a chance of Kona storms originating locally. Sunny days are in plenty as the shoulder season sees relatively lesser tourist numbers. October sea temperatures see a rise to 81°F (27.2°C), the highest of the year. The 3-mile long beaches have white, soft sand but lack natural shelter from the hot sun, in the form of shady trees.
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  • The average high temperature in October: 28°C

Warmest months (with the highest average high temperature) are July, August, September and October (28°C).
Months with the lowest average high temperature are January, February and March (25°C).

  • The average low temperature in October: 19°C

The month with the highest average low temperature is August (20°C).
Coldest months (with the lowest average low temperature) are January, February and March (16°C).

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  • The average rainfall in October: 95mm

The wettest month (with the highest rainfall) is January (187mm).
The driest month (with the lowest rainfall) is June (47mm).

  • The average rainfall days in October: 9 days

Months with the highest number of rainy days are March and December (12 days).
Months with the lowest number of rainy days are June, August and September (7 days).

  • The average sea temperature in October: 26.5°C

The best month for swimming (with the highest average sea temperature) is September (26.8°C).
The coldest month (with the lowest average sea temperature) is March (24.4°C).

  • The average daylight in October: 12h

Months with the longest days are April, May, June, July and August (Average daylight: 13h).
Months with shortest days are January, February, November and December (Average daylight: 11h).

  • The average sunshine in October: 8h

Months with most sunshine are May, June, July, August and September (Average sunshine: 9h).
Months with least sunshine are January, February, November and December (Average sunshine: 7).

  • The average UV index in October: 9

Months with the highest UV index are June, July and August (UV index 12).
The month with the lowest UV index is December (UV index 6).

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