December weather forecast
Yucca Valley, CA

Weather in December

December, the first month of the winter in Yucca Valley, is still a mild month, with an average temperature fluctuating between 55.6°F (13.1°C) and 41.9°F (5.5°C).

Temperature

The coldest month is December, with an average high-temperature of 55.6°F (13.1°C) and an average low-temperature of 41.9°F (5.5°C).

Humidity

The most humid month in Yucca Valley is December, with an average relative humidity of 46%.

Rainfall

The month with the most rainfall in Yucca Valley is December, when the rain falls for 4.9 days and typically aggregates up to 0.87" (22mm) of precipitation.

Snowfall

Months with snowfall are January, February, November and December. December is the month with the most snowfall in Yucca Valley. Snow falls for 0.4 days and accumulates 1.73" (44mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 55min of daylight.
On the first day of the month, sunrise is at 6:33 am and sunset at 4:36 pm. On the last day of December, in Yucca Valley, sunrise is at 6:51 am and sunset at 4:46 pm PST.

Sunshine

The month with the least sunshine is December, with an average of 7.1h of sunshine.

UV index

November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The average daily UV index of 3 in December transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Yucca Valley?

With an average high-temperature of 55.6°F (13.1°C) and an average low-temperature of 41.9°F (5.5°C), December is the coldest month.

What is the temperature in December in Yucca Valley?

The average high-temperature, in December, in Yucca Valley, is 55.6°F (13.1°C), while the average low-temperature is 41.9°F (5.5°C).

What is the most humid month in Yucca Valley?

With an average relative humidity of 46%, December is the most humid month in Yucca Valley.

What is the average humidity in December in Yucca Valley?

In Yucca Valley, California, the average relative humidity in December is 46%.

What is the wettest month in Yucca Valley?

The month with the most rainfall is December, when the rain falls for 4.9 days and typically aggregates up to 0.87" (22mm) of precipitation.

How much does it rain in Yucca Valley in December?

In Yucca Valley, California, in December, during 4.9 rainfall days, 0.87" (22mm) of precipitation is typically accumulated.

What is the snowiest month in Yucca Valley?

The month with the most snowfall in Yucca Valley is December, when snow falls for 0.4 days and typically aggregates up to 1.73" (44mm) of snow.

How much does it snow in Yucca Valley in December?

In Yucca Valley, California, during December, snow falls for 0.4 days and regularly aggregates up to 1.73" (44mm) of snow.

What is the month with the shortest days in Yucca Valley?

With an average of 9h and 55min of daylight, December has the shortest days of the year in Yucca Valley.

How many hours of daylight does Yucca Valley have in December?

The average day length in December in Yucca Valley is 9h and 55min.

What time are sunrise and sunset in December in Yucca Valley?

In December, on the first day of the month, sunrise is at 6:33 am and sunset at 4:36 pm. On the last day of the month, in Yucca Valley, California, sunrise is at 6:51 am and sunset at 4:46 pm PST.

What is the month with the least sunshine in Yucca Valley?

With an average of 7.1h of sunshine, December has the least sunshine of the year in Yucca Valley.

How many hours of sunshine does Yucca Valley have in December?

In Yucca Valley, California, the average sunshine duration in December is 7.1h.

When is the lowest UV index in Yucca Valley?

The months with the lowest UV index in Yucca Valley are November and December, with an average maximum UV index of 3.

How high is the UV index in December in Yucca Valley?

In December, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Yucca Valley, CA

Average temperature in December - Yucca Valley, CA
  • Average high temperature in December: 55.6°F

The warmest month (with the highest average high temperature) is July (94.1°F).
The month with the lowest average high temperature is December (55.6°F).

  • Average low temperature in December: 41.9°F

The month with the highest average low temperature is August (74.3°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).

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Average pressure in December
Yucca Valley, CA

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

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.8"Hg).

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Average wind speed in December
Yucca Valley, CA

Average wind speed in December - Yucca Valley, CA
  • Average wind speed in December: 6.8mph

The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest months (with the lowest average wind speed) are January and September (6.6mph).

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Average humidity in December
Yucca Valley, CA

Average humidity in December - Yucca Valley, CA
  • Average humidity in December: 46%

The month with the highest relative humidity is December (46%).
The months with the lowest relative humidity are June and August (24%).

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Average rainfall in December
Yucca Valley, CA

Average rainfall in December - Yucca Valley, CA
  • Average rainfall in December: 0.87"

The wettest month (with the highest rainfall) is December (0.87").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in December
Yucca Valley, CA

Average rainfall days in December - Yucca Valley, CA
  • Average rainfall days in December: 4.9 days

The month with the highest number of rainy days is July (6 days).
The month with the least rainy days is June (0.8 days).

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Average snowfall in December
Yucca Valley, CA

Average snowfall in December - Yucca Valley, CA
  • Average snowfall in December: 1.73"

The month with the highest snowfall is December (1.73").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").

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Average snowfall days in December
Yucca Valley, CA

Average snowfall days in December - Yucca Valley, CA
  • Average snowfall days in December: 0.4 days

The month with the highest number of snowfall days is February (0.6 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
Yucca Valley, CA

Average daylight in December / Average sunshine in December - Yucca Valley, CA
  • Average daylight in December: 9h and 55min

The month with the longest days is June (Average daylight: 14h and 23min).
The month with the shortest days is December (Average daylight: 9h and 55min).

  • Average sunshine in December: 7h and 6min

The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).

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Average sunshine days in December
Yucca Valley, CA

Average sunshine days in December - Yucca Valley, CA
  • Average sunshine days in December: 24.8 days

The month with the most sunshine days is June (28 days).
The month with the least sunshine days is July (21.1 days).

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Average UV index in December
Yucca Valley, CA

Average UV index in December - Yucca Valley, CA
  • Average UV index in December: 3

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are November and December (UV index 3).

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Average cloud cover in December
Yucca Valley, CA

Average cloud cover in December - Yucca Valley, CA
  • Average cloud cover in December: 18

The month with the most cloud cover is December (Cloud cover 18).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in December
Yucca Valley, CA

Average visibility in December - Yucca Valley, 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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