December weather forecast
Westlake Village, CA

Share

Weather in December

The first month of the winter, December, is still a refreshing month in Westlake Village, California, with an average temperature ranging between min 49.3°F (9.6°C) and max 60.4°F (15.8°C).

Temperature

With average high temperatures of 60.4°F (15.8°C) and lows of 49.3°F (9.6°C), December is the coldest month.

Humidity

In Westlake Village, the average relative humidity in December is 57%.

Rainfall

In Westlake Village, in December, it is raining for 5.9 days, with typically 1.61" (41mm) of accumulated precipitation. In Westlake Village, during the entire year, the rain falls for 51.2 days and collects up to 9.41" (239mm) of precipitation.

Daylight

December has the shortest days of the year, with an average of 9h and 54min of daylight.
On the first day of December in Westlake Village, sunrise is at 6:43 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 4:56 pm PST.

Sunshine

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

UV index

The months with the lowest UV index are January through April, November and December, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum UV index of 4 in December translates into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. 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.
[Resources]

Frequently asked questions

What month is the coldest in Westlake Village?

The coldest time of the year is December, with temperatures averaging a high of 60.4°F (15.8°C) and a low of 49.3°F (9.6°C).

What are December temperatures in Westlake Village?

The average high-temperature, in December, in Westlake Village, is 60.4°F (15.8°C), while the average low-temperature is 49.3°F (9.6°C).

What is the average humidity in December in Westlake Village?

The average relative humidity in December in Westlake Village is 57%.

How many days does it rain in December in Westlake Village?

In Westlake Village, California, 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 Westlake Village?

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

How many hours of daylight does Westlake Village have in December?

The average day length in December in Westlake Village is 9h and 55min.

What time are sunrise and sunset in December in Westlake Village?

In December, on the first day of the month, sunrise is at 6:43 am and sunset at 4:45 pm. On the last day of the month, in Westlake Village, sunrise is at 7:00 am and sunset at 4:56 pm PST.

What are the months with the least sunshine in Westlake Village?

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

How many hours of sunshine does Westlake Village have in December?

In December, the average sunshine duration in Westlake Village is 6.8h.

When is the lowest UV index in Westlake Village?

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

What is the UV index reading in December in Westlake Village?

In December, the average daily maximum UV index in Westlake Village is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's 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
Westlake Village, CA

Average temperature in December - Westlake Village, 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).

[Resources]

Average pressure in December
Westlake Village, CA

Average pressure in December - Westlake Village, CA
  • Average pressure in December: 30.08"Hg

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

[Resources]

Average wind speed in December
Westlake Village, CA

Average wind speed in December - Westlake Village, 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).

[Resources]

Average humidity in December
Westlake Village, CA

Average humidity in December - Westlake Village, 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%).

[Resources]

Average rainfall in December
Westlake Village, CA

Average rainfall in December - Westlake Village, 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").

[Resources]

Average rainfall days in December
Westlake Village, CA

Average rainfall days in December - Westlake Village, 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).

[Resources]

Average daylight in December /
Average sunshine in December
Westlake Village, CA

Average daylight in December / Average sunshine in December - Westlake Village, 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 July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 48min).

[Resources]

Average sunshine days in December
Westlake Village, CA

Average sunshine days in December - Westlake Village, 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).

[Resources]

Average UV index in December
Westlake Village, CA

Average UV index in December - Westlake Village, CA
  • Average UV index in December: 4

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

[Resources]

Average cloud cover in December
Westlake Village, CA

Average cloud cover in December - Westlake Village, CA
  • Average cloud cover in December: 22

The 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).

[Resources]

Average visibility in December
Westlake Village, CA

Average visibility in December - Westlake Village, 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).

[Resources]

Westlake Village, California, USA

Weather forecast for your location

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