Weather in Kauai: April
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Average day temperature: | 75.1°F |
| Average night temperature: | 71.6°F | |
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Sea water temperature: | 75.9°F |
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Number of sunny days: | 1 day |
| Day length: | 12.4 - 13.0 hours | |
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Number of rainy days: | 1 day |
| Precipitation totals: | 1.6 in. | |
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forecast
| Kauai |
temperature
| Kauai |
Air temperature in April, °F
The highest day temperature during April of 2026 was 78°F. At the same time the lowest night temperature was 67°F. Daily and nightly averages during April were 75.3°F and 70.4°F.
Sea water temperature in Kauai in April, °F
The average sea water temperature in April of 2026 was 75.9°F. The highest and lowest sea temperatures during the month were 77.4°F and 75.0°F.
Mostly all days in April are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in April, in.
Precipitation total value in Kauai in April is 1.6 in. Other months of the year show relatively similar values.
The average wind speed value in April is 10.0 mph It makes April one of the least 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 April is: 4.4.
Best time for vacation in Kauai
Kauai on a weather map
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