Kauai County, HI Weather


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United States / Hawaii / / Kauai County / Cities / Zip Codes

The most pleasant months of the year for Kauai County are February, January and March. In Kauai County, there are 9 comfortable months with high temperatures in the range of 70-85°. September is the hottest month for Kauai County with an average high temperature of 85.8°, which ranks it as warmer than most places in Hawaii. Any measurable snowfall is a rare occurance in Kauai County. If the trade winds stop blowing (which is rare), a summer day can be unpleasantly humid.

Today's Weather - Kauai, HI

5 AM PST

Scattered Rain Showers

68°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
OvernightScattered Rain Showers67° / 82°E 8 mph
Sunday NightScattered Rain Showers66° / 82°E 3 mph
Monday NightIsolated Rain Showers64° / 82°ENE 5 mph
Tuesday NightIsolated Rain Showers then Partly Cloudy65° / 82°ENE 6 mph
Wednesday NightPartly Cloudy66° / 82°ENE 5 to 8 mph
Thursday NightPartly Cloudy66° / 82°ENE 6 to 12 mph
Friday NightPartly Cloudy66° / 81°NE 8 to 14 mph

Weather Highlights

Summer High: the July high is around 85 degrees
Winter Low: the January low is 64
Rain: averages 41 inches of rain a year
Snow: averages 0 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the Kauai County area is 8 (10=best), which means it is more comfortable than most places in Hawaii.

8 / 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
January79° 64°
February79° 63°
March79° 64°
April80° 66°
May82° 67°
June84° 70°
July85° 71°
August86° 71°
September86° 71°
October85° 70°
November82° 68°
December80° 65°
Hot, Freezing, Rainy, Snowy Days: Kauai
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January00110
February00100
March00110
April00120
May00110
June00120
July00130
August10130
September10120
October10130
November00130
December00130

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.

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