Weather in Kauai: June
| Average day temperature: | 78.5°F | |
| Average night temperature: | 74.4°F | |
| Sea water temperature: | 78.0°F | |
| Number of sunny days: | 2 days | |
| Day length: | 13.4 - 13.5 hours | |
| Number of rainy days: | 0 days | |
| Precipitation totals: | 0.6 in. | |
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| Kauai |
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| Kauai |
Air temperature in June, °F
The highest day temperature during June of 2025 was 80°F. At the same time the lowest night temperature was 72°F. Daily and nightly averages during June were 78.6°F and 73.7°F.
Sea water temperature in Kauai in June, °F
The average sea water temperature in June of 2025 was 75.6°F. The highest and lowest sea temperatures during the month were 75.9°F and 75.2°F.
Mostly all days in June are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in June, in.
Precipitation total value in Kauai in June is 0.6 in. Other months of the year show relatively similar values.
The average wind speed value in June is 10.9 mph It makes June one of the most windy months of the year.
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in June is: 5.4.
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Kauai on a weather map

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