The highest day temperature in April 2026 was 71°F. The lowest night temperature was 30°F. The average values for day and night temperatures during April were 52.7°F и 43.0°F respectivly.

The average sea surface temperature in April 2026 for Block Island was 41.6°F. The maximum and minimum values were 37.8°F and 45.6°F respectively.

You can expect various weather conditions during April. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in April for Block Island is 1.1 in.

The average wind speed in April is 13.9 mph.

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 Block Island in April is 6.8 hours.