Bay City
Oregon, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Bay City, OR

Ocean temperature

In December, the average ocean temperature in Bay City, Oregon, is 50°F (10°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.

Daylight

December has the shortest days of the year, with an average of 8.8h of daylight.

How cold is the water in December in Bay City?

In December, the average ocean temperature in Bay City, Oregon, is 50°F (10°C). Swimming in 50°F (10°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 month with the shortest days in Bay City?

With an average of 8.8h of daylight, December has the shortest days of the year in Bay City.

How many hours of daylight does Bay City have in December?

In December, the average length of the day in Bay City is 8.8h.
Average sea temperature in December - Bay City, 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 - Bay City, OR
  • Average daylight in December: 8.8h

The month with the longest days is June (Average daylight: 15.6h).
The month with shortest days is December (Average daylight: 8.8h).