Cannon Beach
Oregon, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Cannon Beach, OR

Ocean temperature

In Cannon Beach, Oregon, in December, the average water temperature is 50°F (10°C).
Note: Swimming in 50°F (10°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

With an average of 8.7h of daylight, December has the shortest days of the year.

How cold is the water in December in Cannon Beach?

In Cannon Beach, in December, the average water temperature is 50°F (10°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 Cannon Beach?

With an average of 8.7h of daylight, December has the shortest days of the year in Cannon Beach.

How many hours of daylight does Cannon Beach have in December?

In Cannon Beach, Oregon, the average length of the day in December is 8.7h.
Average sea temperature in December - Cannon Beach, OR
  • Average sea temperature in December: 49.9°F

The best month for swimming (with the highest average sea temperature) is July (57.2°F).
The coldest month (with the lowest average sea temperature) is February (48.1°F).

Average daylight in December - Cannon Beach, OR
  • Average daylight in December: 8.7h

The month with the longest days is June (Average daylight: 15.7h).
The month with shortest days is December (Average daylight: 8.7h).