Essex
Maryland, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Essex, MD

Ocean temperature

In Essex, Maryland, the average seawater temperature in December is 50.5°F (10.3°C).
Note: Swimming in 50.5°F (10.3°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

December has the shortest days of the year in Essex, with an average of 9.4h of daylight.

What is the ocean temperature in December in Essex?

In Essex, the average seawater temperature in December is 50.5°F (10.3°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.

What is the month with the shortest days in Essex?

December has the shortest days of the year in Essex, Maryland, with an average of 9.4h of daylight.

What is the average length of the day in December in Essex?

The average length of the day in December in Essex is 9.4h.
Average sea temperature in December - Essex, MD
  • Average sea temperature in December: 50.6°F

The best month for swimming (with the highest average sea temperature) is August (77.2°F).
The coldest month (with the lowest average sea temperature) is February (43.7°F).

Average daylight in December - Essex, MD
  • Average daylight in December: 9.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with shortest days is December (Average daylight: 9.4h).