December weather forecast
Cedar Ridge, CA

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Weather in December

The first month of the winter, December, is also a fresh month in Cedar Ridge, California, with an average temperature varying between 51.3°F (10.7°C) and 37.2°F (2.9°C).

Temperature

In Cedar Ridge, the lowest temperatures are generally noted in December, averaging a high of 51.3°F (10.7°C) and a low of 37.2°F (2.9°C).

Humidity

In December, the average relative humidity is 68%.

Rainfall

In Cedar Ridge, in December, it is raining for 10.7 days, with typically 5.35" (136mm) of accumulated precipitation. In Cedar Ridge, California, during the entire year, the rain falls for 82 days and collects up to 33.11" (841mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall in Cedar Ridge, California. In Cedar Ridge, California, during December, snow falls for 0.5 days and regularly aggregates up to 0.71" (18mm) of snow. In Cedar Ridge, California, during the entire year, snow falls for 6.8 days and aggregates up to 14.41" (366mm) of snow.

Daylight

The month with the shortest days in Cedar Ridge, California, is December, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 7:05 am and sunset at 4:41 pm. On the last day of December, sunrise is at 7:23 am and sunset at 4:51 pm PST.

Sunshine

In Cedar Ridge, the average sunshine in December is 5.8h.

UV index

In Cedar Ridge, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, the maximum UV index of 3 suggests these recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
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Frequently asked questions

What part of the year is the coldest in Cedar Ridge?

The month of December sees the average lowest temperatures, reaching 51.3°F (10.7°C) at the peak and 37.2°F (2.9°C) at the low.

What is the usual temperature for Cedar Ridge in December?

The average high-temperature and low-temperature in Cedar Ridge during December are 51.3°F (10.7°C) and 37.2°F (2.9°C) respectively. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in September is appraised at 82.4°F (28°C).

What is the average humidity in December in Cedar Ridge?

In December, the average relative humidity in Cedar Ridge, California, is 68%.

How many days does it rain in December in Cedar Ridge?

In Cedar Ridge, California, in December, it is raining for 10.7 days, with typically 5.35" (136mm) of accumulated precipitation.

How many days does it snow in December in Cedar Ridge?

In December, in Cedar Ridge, California, it is snowing for 0.5 days. Throughout December, 0.71" (18mm) of snow is accumulated.

What is the month with the shortest days in Cedar Ridge?

The month with the shortest days in Cedar Ridge is December, with an average of 9h and 30min of daylight.

What is the average length of the day in December in Cedar Ridge?

In December, the average day length is 9h and 28min.

When are sunrise and sunset in December in Cedar Ridge?

In December, on the first day of the month, sunrise is at 7:05 am and sunset at 4:41 pm. On the last day of the month, in Cedar Ridge, California, sunrise is at 7:23 am and sunset at 4:51 pm PST.

How many hours of sunshine does Cedar Ridge have in December?

In Cedar Ridge, California, the average sunshine duration in December is 5.8h.

What is the UV index reading in December in Cedar Ridge?

In December, the average daily maximum UV index in Cedar Ridge is 3. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Cedar Ridge, CA

Average temperature in December - Cedar Ridge, CA
  • Average high temperature in December: 51.3°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is December (51.3°F).

  • Average low temperature in December: 37.2°F

The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is December (37.2°F).

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Average pressure in December
Cedar Ridge, CA

Average pressure in December - Cedar Ridge, CA
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in December
Cedar Ridge, CA

Average wind speed in December - Cedar Ridge, CA
  • Average wind speed in December: 5.3mph

The windiest month (with the highest average wind speed) is February (6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in December
Cedar Ridge, CA

Average humidity in December - Cedar Ridge, CA
  • Average humidity in December: 68%

The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is July (37%).

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Average rainfall in December
Cedar Ridge, CA

Average rainfall in December - Cedar Ridge, CA
  • Average rainfall in December: 5.35"

The wettest month (with the highest rainfall) is March (6.57").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in December
Cedar Ridge, CA

Average rainfall days in December - Cedar Ridge, CA
  • Average rainfall days in December: 10.7 days

The month with the highest number of rainy days is March (15.1 days).
The month with the least rainy days is July (1.1 days).

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Average snowfall in December
Cedar Ridge, CA

Average snowfall in December - Cedar Ridge, CA
  • Average snowfall in December: 0.71"

The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in December
Cedar Ridge, CA

Average snowfall days in December - Cedar Ridge, CA
  • Average snowfall days in December: 0.5 days

The month with the highest number of snowfall days is March (2.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Cedar Ridge, CA

Average daylight in December / Average sunshine in December - Cedar Ridge, CA
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 5h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).

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Average sunshine days in December
Cedar Ridge, CA

Average sunshine days in December - Cedar Ridge, CA
  • Average sunshine days in December: 19.1 days

The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is March (14.8 days).

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Average UV index in December
Cedar Ridge, CA

Average UV index in December - Cedar Ridge, CA
  • Average UV index in December: 3

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is November (UV index 2).

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Average cloud cover in December
Cedar Ridge, CA

Average cloud cover in December - Cedar Ridge, CA
  • Average cloud cover in December: 35

The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 4).

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Average visibility in December
Cedar Ridge, CA

Average visibility in December - Cedar Ridge, 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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Cedar Ridge, California, USA

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