The highest day temperature in January 2025 was 83°F. The lowest night temperature was 76°F. The average values for day and night temperatures during January were 79.5°F и 78.3°F respectivly.

The average sea surface temperature in January 2025 for Lanai was 81.0°F. The maximum and minimum values were 80.4°F and 81.6°F respectively.

Most of the days in January are sunny but you can also expect cloudy and gloomy days.

Precipitation total in January for Lanai is 0.5 in. It makes january one of the most rainy months of the year.

The average wind speed in January is 8.4 mph. It makes January one of the most windy months of the year for Lanai.

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 Lanai in January is 7.1 hours.