December weather forecast and climate
Newbury Park, CA

Intense road network and dense home population in Thousand Oaks and Ventura County in Newbury Park, California
Intense road network and dense home population in Thousand Oaks and Ventura County in Newbury Park, California

Weather in December

The first month of the winter, December, is also a moderate month in Newbury Park, California, with average temperature fluctuating between 60.4°F (15.8°C) and 49.3°F (9.6°C).

Temperature

December is the coldest month, with an average high-temperature of 60.4°F (15.8°C) and an average low-temperature of 49.3°F (9.6°C).

Humidity

The average relative humidity is 57%.

Rainfall

In Newbury Park, in December, during 5.9 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. In Newbury Park, California, during the entire year, the rain falls for 51.2 days and collects up to 9.41" (239mm) of precipitation.

Daylight

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

Sunshine

January, February and December, with an average of 6.8h of sunshine, are months with the least sunshine.

UV index

Months with the lowest UV index are January through April, November and December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions - Protection against sun damage is advised. 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 Newbury Park?

The coldest month in Newbury Park is December, with an average high-temperature of 60.4°F (15.8°C) and an average low-temperature of 49.3°F (9.6°C).

What is the temperature in December in Newbury Park?

In December, in Newbury Park, California, the average high-temperature is 60.4°F (15.8°C), and the average low-temperature is 49.3°F (9.6°C).

What is the average humidity in December in Newbury Park?

In December, the average relative humidity is 57%.

How much does it rain in Newbury Park in December?

In Newbury Park, in December, it is raining for 5.9 days, with typically 1.61" (41mm) of accumulated precipitation.

What is the month with the shortest days in Newbury Park?

December has the shortest days of the year in Newbury Park, with an average of 9.9h of daylight.

What is the average length of the day in December in Newbury Park?

In December, the average length of the day in Newbury Park, California, is 9.9h.

What is the month with the least sunshine in Newbury Park?

Months with the least sunshine are January, February and December, with an average of 6.8h of sunshine.

How many hours of sunshine does Newbury Park have in December?

In December, the average sunshine in Newbury Park is 6.8h.

What are the months with the lowest UV index in Newbury Park?

Months with the lowest UV index in Newbury Park are January through April, November and December, with an average maximum UV index of 4.

What is the UV index reading in December in Newbury Park?

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

Average temperature in December
Newbury Park, CA

Average temperature in December - Newbury Park, CA
  • Average high temperature in December: 60.4°F

The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is December (60.4°F).

  • Average low temperature in December: 49.3°F

The month with the highest average low temperature is August (63.7°F).
The coldest month (with the lowest average low temperature) is February (49.1°F).

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Average pressure in December
Newbury Park, CA

Average pressure in December - Newbury Park, CA
  • Average pressure in December: 30.08"

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

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Average wind speed in December
Newbury Park, CA

Average wind speed in December - Newbury Park, CA
  • Average wind speed in December: 6.5mph

The windiest months (with the highest average wind speed) are April and December (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

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Average humidity in December
Newbury Park, CA

Average humidity in December - Newbury Park, CA
  • Average humidity in December: 57%

The month with the highest relative humidity is June (69%).
The month with the lowest relative humidity is November (53%).

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Average rainfall in December
Newbury Park, CA

Average rainfall in December - Newbury Park, CA
  • Average rainfall in December: 1.61"

The wettest months (with the highest rainfall) are January and February (1.93").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in December
Newbury Park, CA

Average rainfall days in December - Newbury Park, CA
  • Average rainfall days in December: 5.9 days

The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is August (1.5 days).

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Average daylight in December /
Average sunshine in December
Newbury Park, CA

Average daylight in December / Average sunshine in December - Newbury Park, 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: 6.8h

The month with the most sunshine is July (Average sunshine: 12.1h).
Months with the least sunshine are January, February and December (Average sunshine: 6.8).

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Average sunshine days in December
Newbury Park, CA

Average sunshine days in December - Newbury Park, CA
  • Average sunshine days in December: 23.7 days

The month with the most sunshine days is August (26.2 days).
The month with the least sunshine days is February (21 days).

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Average UV index in December
Newbury Park, CA

Average UV index in December - Newbury Park, 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, March, April, November and December (UV index 4).

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Average cloud cover in December
Newbury Park, CA

Average cloud cover in December - Newbury Park, CA
  • Average cloud cover in December: 22

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

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Average visibility in December
Newbury Park, CA

Average visibility in December - Newbury Park, 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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