December weather forecast
Calabasas, CA

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Weather in December

The first month of the winter, December, is also an enjoyable month in Calabasas, California, with an average temperature ranging between min 49.1°F (9.5°C) and max 61.7°F (16.5°C).

Temperature

Calabasas experiences its lowest average temperatures in December, reaching a peak of 61.7°F (16.5°C) and a minimum of 49.1°F (9.5°C).

Humidity

The average relative humidity in December is 56%.

Rainfall

In December, the rain falls for 5.5 days. Throughout December, 1.57" (40mm) of precipitation is accumulated. Throughout the year, in Calabasas, there are 49.2 rainfall days, and 9.09" (231mm) of precipitation is accumulated.

Daylight

With an average of 9h and 54min of daylight, December has the shortest days of the year in Calabasas.
On the first day of the month, sunrise is at 6:42 am and sunset at 4:45 pm. On the last day of December, in Calabasas, sunrise is at 7:00 am and sunset at 4:55 pm PST.

Sunshine

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

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In December, the maximum UV index of 4 suggests these recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
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Frequently asked questions

What month is the coldest in Calabasas?

Calabasas's coldest temperatures are experienced in December, with average high temperatures of 61.7°F (16.5°C) and lows of 49.1°F (9.5°C).

What are December temperatures in Calabasas?

The average high-temperature, in December, in Calabasas, is 61.7°F (16.5°C), while the average low-temperature is 49.1°F (9.5°C). The average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, in August is appraised at 84.2°F (29°C).

What is the average humidity in December in Calabasas?

In Calabasas, the average relative humidity in December is 56%.

How much does it rain in Calabasas in December?

In Calabasas, California, in December, during 5.5 rainfall days, 1.57" (40mm) of precipitation is typically accumulated.

What is the month with the shortest days in Calabasas?

The month with the shortest days in Calabasas, California, is December, with an average of 9h and 54min of daylight.

How many hours of daylight does Calabasas have in December?

In December, the average day length in Calabasas, California, is 9h and 55min.

When are sunrise and sunset in December in Calabasas?

In December, on the first day of the month, sunrise is at 6:42 am and sunset at 4:45 pm. On the last day of the month, in Calabasas, sunrise is at 7:00 am and sunset at 4:55 pm PST.

What are the months with the least sunshine in Calabasas?

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

How many hours of sunshine does Calabasas have in December?

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

What are the months with the lowest UV index in Calabasas?

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 4.

What is the UV index intensity in December in Calabasas?

The average daily maximum UV index in December in Calabasas, California, is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe 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
Calabasas, CA

Average temperature in December - Calabasas, CA
  • Average high temperature in December: 61.7°F

The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (61.7°F).

  • Average low temperature in December: 49.1°F

The month with the highest average low temperature is August (64.6°F).
The coldest months (with the lowest average low temperature) are February and December (49.1°F).

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Average pressure in December
Calabasas, CA

Average pressure in December - Calabasas, 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).

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Average wind speed in December
Calabasas, CA

Average wind speed in December - Calabasas, CA
  • Average wind speed in December: 6.2mph

The windiest months (with the highest average wind speed) are April and December (6.2mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

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Average humidity in December
Calabasas, CA

Average humidity in December - Calabasas, CA
  • Average humidity in December: 56%

The month with the highest relative humidity is June (67%).
The month with the lowest relative humidity is November (51%).

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Average rainfall in December
Calabasas, CA

Average rainfall in December - Calabasas, CA
  • Average rainfall in December: 1.57"

The wettest month (with the highest rainfall) is February (1.97").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in December
Calabasas, CA

Average rainfall days in December - Calabasas, CA
  • Average rainfall days in December: 5.5 days

The month with the highest number of rainy days is March (6.8 days).
The month with the least rainy days is August (1.2 days).

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

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

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Average sunshine days in December
Calabasas, CA

Average sunshine days in December - Calabasas, CA
  • Average sunshine days in December: 24.5 days

The month with the most sunshine days is August (28.3 days).
The month with the least sunshine days is February (21.2 days).

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Average UV index in December
Calabasas, CA

Average UV index in December - Calabasas, 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, November and December (UV index 4).

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Average cloud cover in December
Calabasas, CA

Average cloud cover in December - Calabasas, 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
Calabasas, CA

Average visibility in December - Calabasas, 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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Calabasas, California, USA

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