July weather forecastOcean Bluff-Brant Rock, MA
July
Weather in July
Ocean temperature
In Ocean Bluff-Brant Rock, Massachusetts, in July, the average water temperature is 65.8°F (18.8°C).Note: The majority of individuals do not enjoy swimming in water that is 65.8°F (18.8°C). Breathing control becomes more challenging as the water temperature dips from 69.8°F (21°C) to 59°F (15°C).
Daylight
In July, the average length of the day is 14h and 53min.On the first day of July, sunrise is at 5:10 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:02 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 Ocean Bluff-Brant Rock, the average seawater temperature in July is 65.8°F (18.8°C). For swimming, a surface water temperature of 65.8°F (18.8°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).
The average day length in July is 14h and 53min.
In July, on the first day of the month, sunrise is at 5:10 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:02 pm EDT.
Average sea temperature in July
Ocean Bluff-Brant Rock, MA
- Average sea temperature in July: 65.9°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 July
Ocean Bluff-Brant Rock, MA
- Average daylight in July: 14h and 54min
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).





