December weather forecast
Carson, CA

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Weather in December

The first month of the winter, December, is still a comfortable month in Carson, California, with an average temperature ranging between min 52.7°F (11.5°C) and max 62.8°F (17.1°C).

Temperature

Carson records the coldest temperatures in December, averaging a high of 62.8°F (17.1°C) and a low of 52.7°F (11.5°C).

Humidity

In Carson, the average relative humidity in December is 58%.

Rainfall

In Carson, in December, it is raining for 6.1 days, with typically 1.34" (34mm) of accumulated precipitation. In Carson, during the entire year, the rain falls for 54 days and collects up to 7.6" (193mm) of precipitation.

Daylight

With an average of 9h and 54min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:40 am and sunset at 4:44 pm. On the last day of December, sunrise is at 6:57 am and sunset at 4:54 pm PST.

Sunshine

With an average of 6.7h of sunshine, December has the least sunshine of the year.

UV index

January, February, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 4 in December interprets into the following advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Frequently asked questions

What is the coldest time of year?

December proves to be the coldest month, recording an average maximum temperature of 62.8°F (17.1°C) and a minimum temperature of 52.7°F (11.5°C).

What are the temperatures in December?

The high-temperature during December is 62.8°F (17.1°C) and the low-temperature is 52.7°F (11.5°C).

What is the average humidity in December?

The average relative humidity in December is 58%.

How much does it rain in December?

In Carson, in December, during 6.1 rainfall days, 1.34" (34mm) of precipitation is typically accumulated.

What is the month with the shortest days?

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

What is the average length of the day in December?

In December, the average day length is 9h and 57min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 6:40 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 4:54 pm PST.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 6.7h of sunshine.

How many hours of sunshine does Carson have in December?

In Carson, California, the average sunshine duration in December is 6.7h.

What is the month with the lowest UV index?

January, February, November and December, with an average maximum UV index of 4, are months with the lowest UV index in Carson.

How high is the UV index in December?

In Carson, the average daily maximum UV index in December is 4. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Carson, CA

Average temperature in December - Carson, CA
  • Average high temperature in December: 62.8°F

The warmest month (with the highest average high temperature) is August (78.3°F).
The month with the lowest average high temperature is December (62.8°F).

  • Average low temperature in December: 52.7°F

The month with the highest average low temperature is August (64.8°F).
The coldest month (with the lowest average low temperature) is February (51.8°F).

Average pressure in December
Carson, CA

Average pressure in December - Carson, CA
  • Average pressure in December: 30.07"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.9"Hg).

Average wind speed in December
Carson, CA

Average wind speed in December - Carson, CA
  • Average wind speed in December: 5.7mph

The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is September (5.1mph).

Average humidity in December
Carson, CA

Average humidity in December - Carson, CA
  • Average humidity in December: 58%

The month with the highest relative humidity is June (73%).
The month with the lowest relative humidity is November (57%).

Average rainfall in December
Carson, CA

Average rainfall in December - Carson, CA
  • Average rainfall in December: 1.34"

The wettest month (with the highest rainfall) is January (1.42").
The driest month (with the least rainfall) is June (0.12").

Average rainfall days in December
Carson, CA

Average rainfall days in December - Carson, CA
  • Average rainfall days in December: 6.1 days

The month with the highest number of rainy days is March (6.9 days).
The month with the least rainy days is June (2.5 days).

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

Average daylight in December / Average sunshine in December - Carson, 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 4min

The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

Average sunshine days in December
Carson, CA

Average sunshine days in December - Carson, CA
  • Average sunshine days in December: 23.5 days

The month with the most sunshine days is January (25 days).
The month with the least sunshine days is June (19 days).

Average UV index in December
Carson, CA

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

Average cloud cover in December
Carson, CA

Average cloud cover in December - Carson, 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 8).

Average visibility in December
Carson, CA

Average visibility in December - Carson, 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).

Carson, California, USA

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