July weather forecastMattapoisett Center, MA
July
Weather in July
Ocean temperature
In Mattapoisett Center, Massachusetts, in July, the average water temperature is 66.2°F (19°C).Note: The enjoyment of swimming decreases for most when the surface water temperature is 66.2°F (19°C). Breathing control becomes increasingly challenging as temperatures descend below 69.8°F (21°C).
Daylight
In Mattapoisett Center, the average length of the day in July is 14h and 51min.On the first day of the month, sunrise is at 5:12 am and sunset at 8:21 pm. On the last day of July, sunrise is at 5:37 am and sunset at 8:01 pm EDT.
Updated: Jul 19, 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 Mattapoisett Center, the average seawater temperature in July is 66.2°F (19°C). For most, swimming in 66.2°F (19°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).
In July, the average day length is 14h and 51min.
On the first day of July, sunrise is at 5:12 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:01 pm EDT.
Average sea temperature in July
Mattapoisett Center, MA
- Average sea temperature in July: 66.2°F
The best month for swimming (with the highest average sea temperature) is August (68.4°F).
The coldest month (with the lowest average sea temperature) is February (38.2°F).
Average daylight in July
Mattapoisett Center, MA
- Average daylight in July: 14h and 48min
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).





