April weather forecastOcean Bluff-Brant Rock, MA
April
Weather in April
Ocean temperature
In Ocean Bluff-Brant Rock, Massachusetts, in April, the average water temperature is 43.2°F (6.2°C).Note: It is advised against swimming in 43.2°F (6.2°C) when it drops below 50°F (10°C). Such temperatures can cause extreme cold shock, leading to hyperventilation.
Daylight
The average length of the day in April is 13h and 23min.On the first day of April, sunrise is at 6:23 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 7:41 pm EDT.
Updated: Aug 2, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In April, the average ocean temperature in Ocean Bluff-Brant Rock, Massachusetts, is 43.2°F (6.2°C). Swimming in 43.2°F (6.2°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.
In Ocean Bluff-Brant Rock, the average day length in April is 13h and 23min.
On the first day of April, sunrise is at 6:23 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 7:41 pm EDT.
Average sea temperature in April
Ocean Bluff-Brant Rock, MA
- Average sea temperature in April: 43.2°F
The best month for swimming (with the highest average sea temperature) is August (67.6°F).
The coldest month (with the lowest average sea temperature) is March (38.8°F).
Average daylight in April
Ocean Bluff-Brant Rock, MA
- Average daylight in April: 13h and 24min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).





