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

February weather forecast and climate
Chelsea, MA

Ocean temperature

February is the month with the coldest seawater in Chelsea, Massachusetts, with an average ocean temperature of 38.1°F (3.4°C).
Note: For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

Daylight

The average length of the day in February in Chelsea is 10.6h.

What month is the ocean coldest in Chelsea?

With an average ocean temperature of 38.1°F (3.4°C), February is the month with the coldest seawater.

What is the water temperature in February in Chelsea?

In Chelsea, Massachusetts, in February, the average water temperature is 38.1°F (3.4°C). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

How many hours of daylight does Chelsea have in February?

In Chelsea, the average length of the day in February is 10.6h.
Average sea temperature in February - Chelsea, MA
  • Average sea temperature in February: 38.1°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 February - Chelsea, MA
  • Average daylight in February: 10.6h

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