The highest day temperature in February 2026 was 42°F. The lowest night temperature was 2°F. The average values for day and night temperatures during February were 31.5°F и 25.0°F respectivly.

The average sea surface temperature in February 2026 for Block Island was 34.9°F. The maximum and minimum values were 33.8°F and 36.8°F respectively.

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

Precipitation total in February for Block Island is 1.1 in.

The average wind speed in February is 14.8 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 February is 5.5 hours.