Waikapu, HI Weather


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The most pleasant months of the year for Waikapu are January, February and March. In Waikapu, there are 7 comfortable months with high temperatures in the range of 70-85°. September is the hottest month for Waikapu with an average high temperature of 87.4°, which ranks it as warmer than most places in Hawaii. Any measurable snowfall is a rare occurance in Waikapu. When the trade winds stop blowing, a summer day can become uncomfortably humid.

Today's Weather - Waikapu, HI

9 AM PST

Isolated Rain Showers

64°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
TodayIsolated Rain Showers70° / 64°NE 14 to 29 mph
FridayIsolated Rain Showers then Mostly Sunny72° / 65°NE 13 mph
SaturdayIsolated Rain Showers then Mostly Sunny71° / 64°ENE 9 mph
SundayIsolated Rain Showers then Mostly Sunny72° / 65°ENE 9 mph
MondayIsolated Rain Showers then Mostly Sunny72° / 65°ENE 9 mph
TuesdayIsolated Rain Showers then Mostly Sunny72° / 65°ENE 12 mph
WednesdayIsolated Rain Showers then Mostly Sunny72° / 64°ENE 8 mph

Weather Highlights

Summer High: the July high is around 86 degrees
Winter Low: the January low is 65
Rain: averages 32 inches of rain a year
Snow: averages 0 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the Waikapu area is 8.2 (10=best), which means it is more comfortable than most places in Hawaii.

8.2 / 10

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7.8. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.


Average Monthly High and Low (°F)
HighLow
January80° 65°
February80° 64°
March81° 65°
April82° 67°
May84° 68°
June86° 70°
July86° 71°
August87° 72°
September87° 71°
October86° 71°
November84° 69°
December81° 66°
Hot, Freezing, Rainy, Snowy Days: Waikapu
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January00110
February0090
March00110
April00100
May0080
June1060
July1090
August3070
September4070
October2090
November00110
December00110

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

Reviews for Waikapu
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Over 9 years ago

Living in Wailuku is a cool place. People are multicultural and seem to get a long well. The weather is sunny year round. The biggest draw back is the air quality. Those  More

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