Old Saybrook, United States in April has mild conditions, with highs averaging 12.5°C (55°F) and noticeably cooler mornings. Rain falls on about 11 days this month. Sea temperature stays cool at 8.3°C (47°F).
This month falls at the middle of Spring.
Daily highs in April gradually rise from around 10°C (50°F) at the start to 14°C (57°F) by month's end.
April sees fairly even rainfall, totalling about 106 mm across the month.
Expect around 7.4h of sunshine at the start of April, increasing to 8.7h by the end.
The warmest days tend to fall around the 30th, averaging 14.3°C (58°F).