December weather forecast
Bodega Bay, CA

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Weather in December

The first month of the winter, December, is still a mild month in Bodega Bay, California, with temperature in the range of an average high of 55.4°F (13°C) and an average low of 45.3°F (7.4°C).

Temperature

December stands out as Bodega Bay's coldest month, with temperatures ranging between an average high of 55.4°F (13°C) and a low of 45.3°F (7.4°C).

Humidity

The average relative humidity in December is 75%.

Rainfall

In Bodega Bay, California, in December, it is raining for 12 days, with typically 3.54" (90mm) of accumulated precipitation. Throughout the year, there are 83.1 rainfall days, and 20" (508mm) of precipitation is accumulated.

Ocean temperature

In December, the average ocean temperature is 54°F (12.2°C).
Note: Swimming in 54°F (12.2°C) feels unbearing at 55.4°F (13°C) and can be life-risking below 50°F (10°C), causing breathing issues and cold shock, depending on a person's capacity.

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 7:10 am and sunset at 4:52 pm. On the last day of December, sunrise is at 7:29 am and sunset at 5:02 pm PST.

Sunshine

The month with the least sunshine is December, with an average of 5.7h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: During December, 3 as the daily maximum UV index converts into the following advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Updated: Jun 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

The month of December sees the average lowest temperatures, reaching 55.4°F (13°C) at the peak and 45.3°F (7.4°C) at the low.

What is the usual temperature for Bodega Bay in December?

December temperatures vary between a high-temperature of 55.4°F (13°C) and a low-temperature of 45.3°F (7.4°C).

What is the average humidity in December?

In Bodega Bay, the average relative humidity in December is 75%.

How much does it rain in Bodega Bay in December?

In Bodega Bay, in December, during 12 rainfall days, 3.54" (90mm) of precipitation is typically accumulated.

What is the ocean temperature in December?

In Bodega Bay, in December, the average water temperature is 54°F (12.2°C). Swimming in 54°F (12.2°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the month with the shortest days?

With an average of 9h and 30min of daylight, December has the shortest days of the year.

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

In Bodega Bay, the average day length in December is 9h and 33min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:10 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:02 pm PST.

What is the month with the least sunshine?

With an average of 5.7h of sunshine, December has the least sunshine of the year.

How many hours of sunshine does Bodega Bay have in December?

In Bodega Bay, the average sunshine duration in December is 5.7h.

When is the lowest UV index?

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index.

How high is the UV index in December in Bodega Bay?

The average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Bodega Bay, CA

Average temperature in December - Bodega Bay, CA
  • Average high temperature in December: 55.4°F

The warmest month (with the highest average high temperature) is September (72.5°F).
The month with the lowest average high temperature is December (55.4°F).

  • Average low temperature in December: 45.3°F

The month with the highest average low temperature is August (54.9°F).
The coldest month (with the lowest average low temperature) is December (45.3°F).

Average pressure in December
Bodega Bay, CA

Average pressure in December - Bodega Bay, CA
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are August and September (29.92"Hg).

Average wind speed in December
Bodega Bay, CA

Average wind speed in December - Bodega Bay, CA
  • Average wind speed in December: 7.1mph

The windiest month (with the highest average wind speed) is May (9.9mph).
The calmest month (with the lowest average wind speed) is November (6.7mph).

Average humidity in December
Bodega Bay, CA

Average humidity in December - Bodega Bay, CA
  • Average humidity in December: 75%

The month with the highest relative humidity is March (78%).
The months with the lowest relative humidity are September and October (71%).

Average rainfall in December
Bodega Bay, CA

Average rainfall in December - Bodega Bay, CA
  • Average rainfall in December: 3.54"

The wettest month (with the highest rainfall) is February (4.37").
The driest month (with the least rainfall) is August (0.04").

Average rainfall days in December
Bodega Bay, CA

Average rainfall days in December - Bodega Bay, CA
  • Average rainfall days in December: 12 days

The month with the highest number of rainy days is March (14.4 days).
The month with the least rainy days is August (1.1 days).

Average sea temperature in December
Bodega Bay, CA

Average sea temperature in December - Bodega Bay, CA
  • Average sea temperature in December: 54°F

The best month for swimming (with the highest average sea temperature) is October (56.2°F).
The coldest month (with the lowest average sea temperature) is June (51.6°F).

Average daylight in December /
Average sunshine in December
Bodega Bay, CA

Average daylight in December / Average sunshine in December - Bodega Bay, CA
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 5h and 4min

The months with the most sunshine are July and August (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

Average sunshine days in December
Bodega Bay, CA

Average sunshine days in December - Bodega Bay, CA
  • Average sunshine days in December: 17.7 days

The month with the most sunshine days is August (27.3 days).
The month with the least sunshine days is March (14.8 days).

Average UV index in December
Bodega Bay, CA

Average UV index in December - Bodega Bay, CA
  • Average UV index in December: 3

The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in December
Bodega Bay, CA

Average cloud cover in December - Bodega Bay, CA
  • Average cloud cover in December: 37

The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is September (Cloud cover 12).

Average visibility in December
Bodega Bay, CA

Average visibility in December - Bodega Bay, CA
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Bodega Bay, California, USA

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