December weather forecast
Forest Ranch, CA

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Weather in December

The first month of the winter, December, is still a chilly month in Forest Ranch, California, with an average temperature varying between 49.1°F and 34.9°F.

Temperature

December is the coldest month, exhibiting average temperatures of 49.1°F at the peak and 34.9°F at the base.

Humidity

In Forest Ranch, the average relative humidity in December is 70%.

Rainfall

In Forest Ranch, California, in December, during 10.7 rainfall days, 4.65" of precipitation is typically accumulated. Throughout the year, there are 88.8 rainfall days, and 27.6" of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In Forest Ranch, during December, snow falls for 1.3 days and regularly aggregates up to 1.34" of snow. Throughout the year, in Forest Ranch, California, there are 7.5 snowfall days, and 11.38" of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:08 am and sunset at 4:42 pm. On the last day of December, in Forest Ranch, California, sunrise is at 7:27 am and sunset at 4:51 pm PST.

Sunshine

With an average of 5.5h of sunshine, December has the least sunshine of the year.

UV index

February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: A maximum high UV index of 2 in December translates into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Forest Ranch?

Forest Ranch's coldest temperatures are experienced in December, with average high temperatures of 49.1°F and lows of 34.9°F.

What are the temperatures in Forest Ranch in December?

The high-temperature during December is 49.1°F and the low-temperature is 34.9°F. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in June is calculated to be 80.6°F.

What is the average humidity in December in Forest Ranch?

In December, the average relative humidity is 70%.

How many days does it rain in December in Forest Ranch?

In Forest Ranch, California, during December, the rain falls for 10.7 days and regularly aggregates up to 4.65" of precipitation.

How many days does it snow in December in Forest Ranch?

In December, in Forest Ranch, California, it is snowing for 1.3 days. Throughout December, 1.34" of snow is accumulated.

What is the month with the shortest days in Forest Ranch?

With an average of 9h and 24min of daylight, December has the shortest days of the year in Forest Ranch, California.

How many hours of daylight does Forest Ranch have in December?

In December, the average day length in Forest Ranch, California, is 9h and 24min.

When is the sunrise / sunset in December in Forest Ranch?

On the first day of December, sunrise is at 7:08 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:51 pm PST.

What is the month with the least sunshine in Forest Ranch?

With an average of 5.5h of sunshine, December has the least sunshine of the year in Forest Ranch, California.

How many hours of sunshine does Forest Ranch have in December?

The average sunshine duration in December in Forest Ranch, California, is 5.5h.

When is the lowest UV index in Forest Ranch?

The months with the lowest UV index are February, November and December, with an average maximum UV index of 2.

What is the UV index intensity in December in Forest Ranch?

In December, the average daily maximum UV index in Forest Ranch, California, is 2. A UV Index reading of 2, and below, represents a low health threat from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Forest Ranch, CA

Average temperature in December - Forest Ranch, CA
  • Average high temperature in December: 49.1°F

The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is December (49.1°F).

  • Average low temperature in December: 34.9°F

The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is December (34.9°F).

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Average pressure in December
Forest Ranch, CA

Average pressure in December - Forest Ranch, 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
Forest Ranch, CA

Average wind speed in December - Forest Ranch, CA
  • Average wind speed in December: 5.8mph

The windiest month (with the highest average wind speed) is March (6.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in December
Forest Ranch, CA

Average humidity in December - Forest Ranch, CA
  • Average humidity in December: 70%

The month with the highest relative humidity is March (76%).
The months with the lowest relative humidity are July and August (36%).

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Average rainfall in December
Forest Ranch, CA

Average rainfall in December - Forest Ranch, CA
  • Average rainfall in December: 4.65"

The wettest month (with the highest rainfall) is March (5").
The driest month (with the least rainfall) is July (0.16").

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Average rainfall days in December
Forest Ranch, CA

Average rainfall days in December - Forest Ranch, CA
  • Average rainfall days in December: 10.7 days

The month with the highest number of rainy days is March (14.8 days).
The month with the least rainy days is July (2.3 days).

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Average snowfall in December
Forest Ranch, CA

Average snowfall in December - Forest Ranch, CA
  • Average snowfall in December: 1.34"

The month with the highest snowfall is February (3.19").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Forest Ranch, CA

Average snowfall days in December - Forest Ranch, CA
  • Average snowfall days in December: 1.3 days

The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Forest Ranch, CA

Average daylight in December / Average sunshine in December - Forest Ranch, CA
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in December: 5h and 3min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

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Average sunshine days in December
Forest Ranch, CA

Average sunshine days in December - Forest Ranch, CA
  • Average sunshine days in December: 18.5 days

The month with the most sunshine days is July (27.8 days).
The month with the least sunshine days is March (14.8 days).

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Average UV index in December
Forest Ranch, CA

Average UV index in December - Forest Ranch, CA
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are February, November and December (UV index 2).

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Average cloud cover in December
Forest Ranch, CA

Average cloud cover in December - Forest Ranch, CA
  • Average cloud cover in December: 38

The month with the most cloud cover is March (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 5).

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Average visibility in December
Forest Ranch, CA

Average visibility in December - Forest Ranch, 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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Forest Ranch, California, USA

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