Massachusetts, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Scituate, MA

Ocean temperature

In Scituate, Massachusetts, the average seawater temperature in May is 49.1°F (9.5°C).
Note: 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.


The average length of the day in May is 14.6h.

What is the ocean temperature in May in Scituate?

In Scituate, in May, the average water temperature is 49.1°F (9.5°C). Swimming in 49.1°F (9.5°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

What is the average length of the day in May in Scituate?

In May, the average length of the day in Scituate is 14.6h.
Average sea temperature in May - Scituate, MA
  • Average sea temperature in May: 49°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 May - Scituate, MA
  • Average daylight in May: 14.6h

The month with the longest days is June (Average daylight: 15.2h).
The month with shortest days is December (Average daylight: 9.2h).