The highest day temperature in January 2025 was 80°F. The lowest night temperature was 64°F. The average values for day and night temperatures during January were 75.3°F и 68.6°F respectivly.

The average sea surface temperature in January 2025 for Hilo was 80.3°F. The maximum and minimum values were 79.6°F and 80.8°F respectively.

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

Precipitation total in January for Hilo is 3.0 in.

The average wind speed in January is 7.6 mph. This value is relatively stable throughout the year.

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 Hilo in January is 7.8 hours.