The highest day temperature in April 2023 was 80°F. The lowest night temperature was 59°F. The average values for day and night temperatures during April were 74.2°F и 69.2°F respectivly.

The average sea surface temperature in April 2023 for Hilo was 78.7°F. The maximum and minimum values were 78.2°F and 79.2°F respectively.

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

Precipitation total in April for Hilo is 3.0 in.

The average wind speed in April is 8.3 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 April is 7.8 hours.