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

November weather forecast and climate
Chelsea, MA

Ocean temperature

In Chelsea, Massachusetts, the average seawater temperature in November is 52.3°F (11.3°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.


In Chelsea, the average length of the day in November is 9.8h.

What is the ocean temperature in November in Chelsea?

In Chelsea, Massachusetts, in November, the average water temperature is 52.3°F (11.3°C). Swimming in 52.3°F (11.3°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.

How many hours of daylight does Chelsea have in November?

In November, the average length of the day is 9.8h.
Average sea temperature in November - Chelsea, MA
  • Average sea temperature in November: 52.3°F

The best month for swimming (with the highest average sea temperature) is August (67.9°F).
The coldest month (with the lowest average sea temperature) is February (38.1°F).

Average daylight in November - Chelsea, MA
  • Average daylight in November: 9.8h

The month with the longest days is June (Average daylight: 15.2h).
The month with shortest days is December (Average daylight: 9.1h).