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Weather & Climate

Kauai County, Hawaii, United States

Overview

Climate data and monthly weather averages for Kauai County.

Key Metrics

Annual Avg
24.9°C
Summer Avg
26.2°C
Winter Avg
23.5°C
Record High
29.9°C
Record Low
18.5°C
Annual Precipitation
572 mm
Avg Humidity
75%
Summer Humidity
74%
Winter Humidity
75%

Monthly Averages

MonthHigh (°C)Avg (°C)Low (°C)Rain (mm)Humidity (%)Sunshine (h)Wind (kph)
Jan26.1°23.4°19.5°45.975%13052.9
Feb26.3°22.9°19.3°61.974%13356.2
Mar26.3°23°18.5°93.975%16751
Apr27°23.9°20.1°35.775%18843.2
May27.9°24.9°21.3°30.774%21040.2
Jun28.3°25.8°23.5°2774%21039.5
Jul29°26.3°23.8°23.675%21540
Aug29.8°26.6°24.4°26.374%20643.5
Sep29.5°26.8°24.3°27.673%18544.9
Oct29.9°26.3°23.3°60.475%15854.2
Nov28.4°25.3°21.6°61.275%12850.1
Dec26.8°24.2°19.5°77.875%11957.8

Frequently Asked Questions

Sources: NASA POWER · Last updated: 2025

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