May weather forecast
Mattapoisett Center, MA

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Weather in May

Ocean temperature

In Mattapoisett Center, Massachusetts, the average seawater temperature in May is 50.4°F (10.2°C).
Note: Swimming in 50.4°F (10.2°C) at temperatures under 50°F (10°C) requires thermal swimsuits; otherwise, one can face cold shock and breathing difficulty. Even brief immersion at 55.4°F (13°C) feels frosty.

Daylight

In May, the average length of the day in Mattapoisett Center is 14h and 33min.
On the first day of May, sunrise is at 5:38 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 8:10 pm EDT.

Frequently asked questions

What is the ocean temperature in May?

In Mattapoisett Center, the average seawater temperature in May is 50.4°F (10.2°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

How many hours of daylight does Mattapoisett Center have in May?

The average day length in May is 14h and 33min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 5:38 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 8:10 pm EDT.

Average sea temperature in May
Mattapoisett Center, MA

Average sea temperature in May - Mattapoisett Center, MA
  • Average sea temperature in May: 50.4°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 May
Mattapoisett Center, MA

Average daylight in May - Mattapoisett Center, MA
  • Average daylight in May: 14h and 4min

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).

Mattapoisett Center, Massachusetts, USA

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