December weather forecast
Los Olivos, CA

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Weather in December

The first month of the winter, December, is still a refreshing month in Los Olivos, California, with an average temperature fluctuating between 61°F (16.1°C) and 47.1°F (8.4°C).

Temperature

During the coldest month, December, temperatures average a high of 61°F (16.1°C) and a low of 47.1°F (8.4°C).

Humidity

In December, the average relative humidity is 60%.

Rainfall

In Los Olivos, in December, it is raining for 6.5 days, with typically 1.69" (43mm) of accumulated precipitation. In Los Olivos, during the entire year, the rain falls for 48.3 days and collects up to 9.84" (250mm) of precipitation.

Daylight

With an average of 9h and 54min of daylight, December has the shortest days of the year in Los Olivos.
On the first day of the month, sunrise is at 6:49 am and sunset at 4:49 pm. On the last day of December, sunrise is at 7:07 am and sunset at 5:00 pm PST.

Sunshine

The average sunshine in December is 6.8h.

UV index

December is the month with the lowest UV index in Los Olivos, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, a daily maximum UV index of 3 leads to the following instructions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
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Frequently asked questions

What month is the coldest in Los Olivos?

Los Olivos experiences its average lowest temperatures in December, reaching a peak of 61°F (16.1°C) and a minimum of 47.1°F (8.4°C).

What are December temperatures in Los Olivos?

In December, in Los Olivos, the average high-temperature is 61°F (16.1°C), and the average low-temperature is 47.1°F (8.4°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, is calculated to be 84.2°F (29°C).

What is the average humidity in December in Los Olivos?

In December, the average relative humidity in Los Olivos is 60%.

How much does it rain in Los Olivos in December?

In Los Olivos, California, in December, during 6.5 rainfall days, 1.69" (43mm) of precipitation is typically accumulated.

What is the month with the shortest days in Los Olivos?

With an average of 9h and 54min of daylight, December has the shortest days of the year in Los Olivos, California.

How many hours of daylight does Los Olivos have in December?

The average day length in December is 9h and 53min.

When are sunrise and sunset in December in Los Olivos?

In December, on the first day of the month, sunrise is at 6:49 am and sunset at 4:49 pm. On the last day of the month, in Los Olivos, California, sunrise is at 7:07 am and sunset at 5:00 pm PST.

How many hours of sunshine does Los Olivos have in December?

In December, the average sunshine duration in Los Olivos, California, is 6.8h.

What is the month with the lowest UV index in Los Olivos?

December is the month with the lowest UV index in Los Olivos, with an average maximum UV index of 3.

What is the UV index reading in December in Los Olivos?

In Los Olivos, California, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium health risk 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
Los Olivos, CA

Average temperature in December - Los Olivos, CA
  • Average high temperature in December: 61°F

The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (61°F).

  • Average low temperature in December: 47.1°F

The month with the highest average low temperature is August (61.5°F).
The coldest month (with the lowest average low temperature) is February (46.8°F).

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Average pressure in December
Los Olivos, CA

Average pressure in December - Los Olivos, CA
  • Average pressure in December: 30.09"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).

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Average wind speed in December
Los Olivos, CA

Average wind speed in December - Los Olivos, CA
  • Average wind speed in December: 6.4mph

The windiest months (with the highest average wind speed) are April and May (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

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Average humidity in December
Los Olivos, CA

Average humidity in December - Los Olivos, CA
  • Average humidity in December: 60%

The month with the highest relative humidity is March (64%).
The month with the lowest relative humidity is October (54%).

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Average rainfall in December
Los Olivos, CA

Average rainfall in December - Los Olivos, CA
  • Average rainfall in December: 1.69"

The wettest month (with the highest rainfall) is January (2.09").
The driest months (with the least rainfall) are June and August (0.04").

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Average rainfall days in December
Los Olivos, CA

Average rainfall days in December - Los Olivos, CA
  • Average rainfall days in December: 6.5 days

The month with the highest number of rainy days is March (8.5 days).
The month with the least rainy days is August (0.8 days).

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Average daylight in December /
Average sunshine in December
Los Olivos, CA

Average daylight in December / Average sunshine in December - Los Olivos, CA
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in December: 6h and 5min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is February (Average sunshine: 6h and 30min).

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Average sunshine days in December
Los Olivos, CA

Average sunshine days in December - Los Olivos, CA
  • Average sunshine days in December: 23.5 days

The month with the most sunshine days is August (29.1 days).
The month with the least sunshine days is February (20.8 days).

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Average UV index in December
Los Olivos, CA

Average UV index in December - Los Olivos, CA
  • Average UV index in December: 3

The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in December
Los Olivos, CA

Average cloud cover in December - Los Olivos, CA
  • Average cloud cover in December: 23

The month with the most cloud cover is March (Cloud cover 25).
The months with the least cloud cover are August and September (Cloud cover 5).

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Average visibility in December
Los Olivos, CA

Average visibility in December - Los Olivos, 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).

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Los Olivos, California, USA

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