The highest day temperature in October 2026 was 87°F. The lowest night temperature was 72°F. The average values for day and night temperatures during October were 82.0°F и 76.3°F respectivly.

The average sea surface temperature in October 2026 for Kauai was 83.7°F. The maximum and minimum values were 82.8°F and 84.6°F respectively.

Most of the days in October are gloomy but you can also expect sunny days.

Precipitation total in October for Kauai is 1.0 in.

The average wind speed in October is 8.8 mph. It makes October one of the most windless months of the year for Kauai.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Kauai in October is 4.8 hours.