December weather forecast and climate
Oxnard, CA

Light waves on the soft sand and rocks of the scenic Ocean Beach in Oxnard, California
Light waves on the soft sand and rocks of the scenic Ocean Beach in Oxnard, California

Weather in December

December, the first month of the winter, in Oxnard, is still a mild month, with average temperature ranging between min 50.5°F (10.3°C) and max 59.9°F (15.5°C).

Temperature

In Oxnard, the average high-temperature in December marginally drops, from a comfortable 65.3°F (18.5°C) in November, to a moderate 59.9°F (15.5°C). The average low-temperature, in Oxnard, is 50.5°F (10.3°C).

Humidity

The average relative humidity in Oxnard is 59%.

Rainfall

In Oxnard, in December, during 5.3 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. Throughout the year, in Oxnard, there are 46.5 rainfall days, and 8.31" (211mm) of precipitation is accumulated.

Ocean temperature

In December, the average ocean temperature in Oxnard is 58.8°F (14.9°C).
Note: Swimming in 58.8°F (14.9°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

The month with the shortest days in Oxnard, California, is December, with an average of 9.9h of daylight.

Sunshine

The average sunshine is 6.9h.

UV index

January through April, November and December, with an average maximum UV index of 4, are months with the lowest UV index in Oxnard. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to the Sun's UV rays for the average person.
Note: In December, the average maximum UV index of 4 translate into the following recommendations:
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 temperature in December in Oxnard?

In December, in Oxnard, the average high-temperature is 59.9°F (15.5°C), and the average low-temperature is 50.5°F (10.3°C).

What is the average humidity in December in Oxnard?

In Oxnard, the average relative humidity in December is 59%.

How much does it rain in Oxnard in December?

In December, in Oxnard, the rain falls for 5.3 days. Throughout December, 1.3" (33mm) of precipitation is accumulated.

How cold is the water in December in Oxnard?

In December, the average ocean temperature in Oxnard is 58.8°F (14.9°C). Swimming in 58.8°F (14.9°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 in Oxnard?

The month with the shortest days in Oxnard, California, is December, with an average of 9.9h of daylight.

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

In December, the average length of the day is 9.9h.

How long on average sun shines in December in Oxnard?

In Oxnard, California, the average sunshine in December is 6.9h.

What is the month with the lowest UV index in Oxnard?

January through April, November and December, with an average maximum UV index of 4, are months with the lowest UV index in Oxnard, California.

How high is the UV index in December in Oxnard?

In December, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV rays.

Average temperature in December
Oxnard, CA

Average temperature in December - Oxnard, CA
  • Average high temperature in December: 59.9°F

The warmest months (with the highest average high temperature) are August and September (73.4°F).
The month with the lowest average high temperature is February (59°F).

  • Average low temperature in December: 50.5°F

The month with the highest average low temperature is September (63°F).
The coldest months (with the lowest average low temperature) are February and December (50.5°F).

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Average pressure in December
Oxnard, CA

Average pressure in December - Oxnard, CA
  • Average pressure in December: 30.08"

The month with the highest atmospheric pressure is January (30.11").
The month with the lowest atmospheric pressure is September (29.9").

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Average wind speed in December
Oxnard, CA

Average wind speed in December - Oxnard, CA
  • Average wind speed in December: 6.7mph

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in December
Oxnard, CA

Average humidity in December - Oxnard, CA
  • Average humidity in December: 59%

The month with the highest relative humidity is June (72%).
The month with the lowest relative humidity is November (57%).

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Average rainfall in December
Oxnard, CA

Average rainfall in December - Oxnard, CA
  • Average rainfall in December: 1.3"

The wettest month (with the highest rainfall) is January (1.85").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in December
Oxnard, CA

Average rainfall days in December - Oxnard, CA
  • Average rainfall days in December: 5.3 days

The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is August (1.3 days).

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Average sea temperature in December
Oxnard, CA

Average sea temperature in December - Oxnard, CA
  • Average sea temperature in December: 58.9°F

The best month for swimming (with the highest average sea temperature) is August (64.1°F).
The coldest month (with the lowest average sea temperature) is April (56.7°F).

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Average daylight in December /
Average sunshine in December
Oxnard, CA

Average daylight in December / Average sunshine in December - Oxnard, 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: 6.9h

Months with the most sunshine are June, July and August (Average sunshine: 12h).
Months with the least sunshine are January and February (Average sunshine: 6.8).

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Average sunshine days in December
Oxnard, CA

Average sunshine days in December - Oxnard, CA
  • Average sunshine days in December: 24.9 days

The month with the most sunshine days is October (27.2 days).
The month with the least sunshine days is February (21.7 days).

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Average UV index in December
Oxnard, CA

Average UV index in December - Oxnard, CA
  • Average UV index in December: 4

The month with the highest UV index is August (UV index 6).
Months with the lowest UV index are January, February, March, April, November and December (UV index 4).

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Average cloud cover in December
Oxnard, CA

Average cloud cover in December - Oxnard, CA
  • Average cloud cover in December: 21

The month with the most cloud cover is March (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in December
Oxnard, CA

Average visibility in December - Oxnard, 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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