December weather forecast and climate
Marina del Rey, CA

Weather in December

The first month of the winter, December, is still a comfortable month in Marina del Rey, California, with average temperature varying between 63.9°F (17.7°C) and 50.7°F (10.4°C).

Temperature

December is the coldest month, with an average high-temperature of 63.9°F (17.7°C) and an average low-temperature of 50.7°F (10.4°C).

Humidity

In December, the average relative humidity is 55%.

Rainfall

In Marina del Rey, in December, it is raining for 5.2 days, with typically 1.26" (32mm) of accumulated precipitation. In Marina del Rey, California, during the entire year, the rain falls for 48.8 days and collects up to 7.52" (191mm) of precipitation.

Ocean temperature

In December, the average ocean temperature in Marina del Rey, California, is 60.4°F (15.8°C).
Note: For swimming, a surface water temperature of 60.4°F (15.8°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

Daylight

The month with the shortest days in Marina del Rey is December, with an average of 9.9h of daylight.

Sunshine

Months with the least sunshine in Marina del Rey, California, are February and December, with an average of 6.6h of sunshine.

UV index

Months with the lowest UV index are January, February, November and December, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 4 in December interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the coldest month in Marina del Rey?

With an average high-temperature of 63.9°F (17.7°C) and an average low-temperature of 50.7°F (10.4°C), December is the coldest month in Marina del Rey.

What is the temperature in December in Marina del Rey?

In Marina del Rey, California, in December, the average high-temperature is 63.9°F (17.7°C), and the average low-temperature is 50.7°F (10.4°C).

What is the average humidity in December in Marina del Rey?

In December, the average relative humidity in Marina del Rey, California, is 55%.

How much does it rain in Marina del Rey in December?

In Marina del Rey, California, in December, during 5.2 rainfall days, 1.26" (32mm) of precipitation is typically accumulated.

How cold is the water in December in Marina del Rey?

In Marina del Rey, California, the average seawater temperature in December is 60.4°F (15.8°C). For most, swimming in 60.4°F (15.8°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

What is the month with the shortest days in Marina del Rey?

With an average of 9.9h of daylight, December has the shortest days of the year in Marina del Rey.

What is the average length of the day in December in Marina del Rey?

In December, the average length of the day in Marina del Rey, California, is 9.9h.

What is the month with the least sunshine in Marina del Rey?

Months with the least sunshine in Marina del Rey are February and December, with an average of 6.6h of sunshine.

How long on average sun shines in December in Marina del Rey?

In Marina del Rey, California, the average sunshine in December is 6.6h.

What is the month with the lowest UV index in Marina del Rey?

Months with the lowest UV index in Marina del Rey, California, are January, February, November and December, with an average maximum UV index of 4.

What is the UV index reading in December in Marina del Rey?

In Marina del Rey, California, the average daily maximum UV index in December is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV rays.

Average temperature in December
Marina del Rey, CA

Average temperature in December - Marina del Rey, CA
  • Average high temperature in December: 63.9°F

The warmest month (with the highest average high temperature) is August (80.8°F).
The month with the lowest average high temperature is December (63.9°F).

  • Average low temperature in December: 50.7°F

The month with the highest average low temperature is August (64.4°F).
The coldest month (with the lowest average low temperature) is February (50.5°F).

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Average pressure in December
Marina del Rey, CA

Average pressure in December - Marina del Rey, CA
  • Average pressure in December: 30.08"

The month with the highest atmospheric pressure is January (30.1").
Months with the lowest atmospheric pressure are June and September (29.9").

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Average wind speed in December
Marina del Rey, CA

Average wind speed in December - Marina del Rey, CA
  • Average wind speed in December: 5.8mph

The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest months (with the lowest average wind speed) are August and September (4.8mph).

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Average humidity in December
Marina del Rey, CA

Average humidity in December - Marina del Rey, CA
  • Average humidity in December: 55%

The month with the highest relative humidity is June (69%).
The month with the lowest relative humidity is November (52%).

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Average rainfall in December
Marina del Rey, CA

Average rainfall in December - Marina del Rey, CA
  • Average rainfall in December: 1.26"

The wettest month (with the highest rainfall) is January (1.54").
The driest months (with the least rainfall) are June and August (0.08").

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Average rainfall days in December
Marina del Rey, CA

Average rainfall days in December - Marina del Rey, CA
  • Average rainfall days in December: 5.2 days

The month with the highest number of rainy days is March (6.8 days).
The month with the least rainy days is August (1.8 days).

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Average sea temperature in December
Marina del Rey, CA

Average sea temperature in December - Marina del Rey, CA
  • Average sea temperature in December: 60.4°F

The best months for swimming (with the highest average sea temperature) are July and August (67.9°F).
The coldest month (with the lowest average sea temperature) is January (58.3°F).

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Average daylight in December /
Average sunshine in December
Marina del Rey, CA

Average daylight in December / Average sunshine in December - Marina del Rey, CA
  • Average daylight in December: 9.9h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in December: 6.6h

Months with the most sunshine are July and August (Average sunshine: 11.9h).
Months with the least sunshine are February and December (Average sunshine: 6.6).

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Average sunshine days in December
Marina del Rey, CA

Average sunshine days in December - Marina del Rey, CA
  • Average sunshine days in December: 24.1 days

The month with the most sunshine days is August (27.9 days).
The month with the least sunshine days is February (21.8 days).

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Average UV index in December
Marina del Rey, CA

Average UV index in December - Marina del Rey, CA
  • Average UV index in December: 4

Months with the highest UV index are June, July, August and September (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 4).

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Average cloud cover in December
Marina del Rey, CA

Average cloud cover in December - Marina del Rey, CA
  • Average cloud cover in December: 23

Months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 8).

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Average visibility in December
Marina del Rey, CA

Average visibility in December - Marina del Rey, CA
  • Average visibility in December: 6mi

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

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