Annual average weather for Molokai Island, United States

Annual Temperature for Molokai Island

The hottest month in Molokai Island is August when the average maximum temperature is 29°, average temperature is 26° and average minimum temperature is 22°.

The coolest month in Molokai Island is January when the average maximum temperature is 25°, average temperature is 22° and average minimum temperature is 18°.

Annual Sunshine for Molokai Island

The longest days in Molokai Island are in June, with an average of 13.4 hours of daylight per day. December has the shortest days with an average of 10.9 hours of daylight per day.

The sunniest days in Molokai Island are in July which has the most hours of sunshine per day with an average of 7.3 hours of sunshine per day, making it a quite sunny month with some cloud cover. December has the least sunshine with an average of 4.9 hours of sunshine per day, making it a sunny month that is overcast at times.

The ultraviolet index is the highest in July when it reaches 13.1 and lowest in December when it reaches 6.5.

An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Annual Sea Temperature for Molokai Island

The warmest sea water temperatures in Molokai Island are found in September when they peak at 27° and lowest in March when they dip to 24°.

The sea is best for swimming between June and December when the temperature is above 26° which is warm and pleasant for relaxing and swimming for long periods.

Annual Rainfall for Molokai Island

The wettest month in Molokai Island is January with 17.6cm of rain and July has the most days of rain with 18 days with some rain, a wet time to visit the beach.

The driest month in Molokai Island is June with 0.6cm of rain and May has the fewest days of rain with 12.2 days with some rain, a slightly wet time to visit the beach.

Annual Humidity for Molokai Island

The most humid month in Molokai Island is October with a dew point (an indicator of humidity) of 21° which is somewhat uncomfortable for most people in cities but fine on a beach.

The least humid month in Molokai Island is February with a dew point of 18° which is somewhat uncomfortable for most people in cities but fine on a beach.

Annual Wind Speed for Molokai Island

The most windy month in Molokai Island is June when the average maximum windspeed is 32kmh and the average wind speed is 19kmh.

The least windy month in Molokai Island is December when the average maximum windspeed is 26kmh and the average wind speed is 14kmh.

Monthly Averages

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