December weather forecast
Los Olivos, CA

Share

Weather in December

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

Temperature

The coldest period is December, when temperatures fluctuate between an average high of 61°F (16.1°C) and a low of 47.1°F (8.4°C).

Humidity

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

Rainfall

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

Daylight

The month with the shortest days is December, with an average of 9h and 54min of daylight.
On the first day of December, sunrise is at 6:49 am and sunset at 4:49 pm. On the last day of the month, 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, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, the average maximum UV index of 3 translates into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

Temperature readings reach their annual highs in December, averaging 61°F (16.1°C) and a minimum average of 47.1°F (8.4°C).

What is the temperature in December in Los Olivos?

The high-temperature, in December, in Los Olivos, records 61°F (16.1°C), while the low-temperature is 47.1°F (8.4°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 84.2°F (29°C).

What is the average humidity in December?

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

How much does it rain in December?

In Los Olivos, during December, the rain falls for 6.5 days and regularly aggregates up to 1.69" (43mm) of precipitation.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 54min of daylight.

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

In Los Olivos, the average day length in December is 9h and 53min.

When is the sunrise / sunset in December?

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, sunrise is at 7:07 am and sunset at 5:00 pm PST.

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

The average sunshine duration in December is 6.8h.

When is the lowest UV index?

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

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

In December, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
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).

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).

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).

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%).

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").

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).

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).

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).

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).

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).

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).

Los Olivos, California, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location