The highest day temperature in April 2025 was 77°F. The lowest night temperature was 27°F. The average values for day and night temperatures during April were 56.7°F и 44.9°F respectivly.

The average sea surface temperature in April 2025 for Stonington was 43.6°F. The maximum and minimum values were 41.4°F and 47.8°F respectively.

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

Precipitation total in April for Stonington is 1.3 in. This value is relatively stable throughout the year.

The average wind speed in April is 9.4 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 Stonington in April is 6.3 hours.