December weather forecast
Victorville, CA

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Weather in December

December, the first month of the winter in Victorville, is still a cool month, with an average temperature fluctuating between 53.2°F (11.8°C) and 38.3°F (3.5°C).

Temperature

December, known for its average high temperature of 53.2°F (11.8°C) and an average low temperature of 38.3°F (3.5°C), is the coldest month.

Humidity

The most humid month is December, with an average relative humidity of 52%.

Rainfall

The month with the most rainfall is December, when the rain falls for 5.4 days and typically aggregates up to 0.98" (25mm) of precipitation.

Snowfall

Months with snowfall are January, February, April, November and December. In Victorville, in December, snow falls for 0.3 days, with typically accumulated 0.91" (23mm) of snow. In Victorville, during the entire year, snow falls for 2.1 days and aggregates up to 3.78" (96mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 54min of daylight.
On the first day of the month, sunrise is at 6:38 am and sunset at 4:38 pm. On the last day of December, in Victorville, California, sunrise is at 6:55 am and sunset at 4:49 pm PST.

Sunshine

The months with the least sunshine are January and December, with an average of 7h of sunshine.

UV index

The months with the lowest UV index in Victorville are January, February, November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index of 3 during December translates into these guidelines:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Updated: Feb 9, 2024 | Published by: Weather U.S. | Resources

Frequently asked questions

What part of the year is the coldest in Victorville?

December, with its average high-temperature of 53.2°F (11.8°C) and an average low-temperature of 38.3°F (3.5°C), holds the record as the coldest month in Victorville.

What is the temperature in December in Victorville?

In Victorville, 53.2°F (11.8°C) is the average high-temperature and 38.3°F (3.5°C) is the average low-temperature during December.

What is the most humid month in Victorville?

December is the most humid month in Victorville, with an average relative humidity of 52%.

What is the average humidity in December in Victorville?

In Victorville, the average relative humidity in December is 52%.

What is the rainiest month in Victorville?

The month with the most rainfall in Victorville, California, is December, when the rain falls for 5.4 days and typically aggregates up to 0.98" (25mm) of precipitation.

How many days does it rain in December in Victorville?

In Victorville, California, in December, during 5.4 rainfall days, 0.98" (25mm) of precipitation is typically accumulated.

How much does it snow in Victorville in December?

In Victorville, California, in December, during 0.3 snowfall days, 0.91" (23mm) of snow is typically accumulated.

What is the month with the shortest days in Victorville?

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

What is the average length of the day in December in Victorville?

In December, the average day length in Victorville, California, is 9h and 53min.

What time are sunrise and sunset in December in Victorville?

In December, on the first day of the month, sunrise is at 6:38 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 4:49 pm PST.

What is the month with the least sunshine in Victorville?

January and December, with an average of 7h of sunshine, are months with the least sunshine in Victorville.

How long on average sun shines in December in Victorville?

In Victorville, California, the average sunshine duration in December is 7h.

When is the lowest UV index in Victorville?

The months with the lowest UV index in Victorville, California, are January, February, November and December, with an average maximum UV index of 3.

What is the UV index reading in December in Victorville?

The average daily maximum UV index in December in Victorville, California, is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
Victorville, CA

Average temperature in December - Victorville, CA
  • Average high temperature in December: 53.2°F

The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is December (53.2°F).

  • Average low temperature in December: 38.3°F

The month with the highest average low temperature is August (68.5°F).
The coldest month (with the lowest average low temperature) is December (38.3°F).

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Average pressure in December
Victorville, CA

Average pressure in December - Victorville, CA
  • Average pressure in December: 30.08"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

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Average wind speed in December
Victorville, CA

Average wind speed in December - Victorville, CA
  • Average wind speed in December: 6.5mph

The windiest month (with the highest average wind speed) is May (10.3mph).
The calmest month (with the lowest average wind speed) is January (6.3mph).

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Average humidity in December
Victorville, CA

Average humidity in December - Victorville, CA
  • Average humidity in December: 52%

The month with the highest relative humidity is December (52%).
The month with the lowest relative humidity is August (27%).

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Average rainfall in December
Victorville, CA

Average rainfall in December - Victorville, CA
  • Average rainfall in December: 0.98"

The wettest month (with the highest rainfall) is December (0.98").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in December
Victorville, CA

Average rainfall days in December - Victorville, CA
  • Average rainfall days in December: 5.4 days

The month with the highest number of rainy days is March (6 days).
The month with the least rainy days is June (0.9 days).

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Average snowfall in December
Victorville, CA

Average snowfall in December - Victorville, CA
  • Average snowfall in December: 0.91"

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

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Average snowfall days in December
Victorville, CA

Average snowfall days in December - Victorville, CA
  • Average snowfall days in December: 0.3 days

The month with the highest number of snowfall days is February (1 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
Victorville, CA

Average daylight in December / Average sunshine in December - Victorville, 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: 7h and 0min

The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 7h and 0min).

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Average sunshine days in December
Victorville, CA

Average sunshine days in December - Victorville, CA
  • Average sunshine days in December: 24.6 days

The month with the most sunshine days is June (28.9 days).
The month with the least sunshine days is February (22.4 days).

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Average UV index in December
Victorville, CA

Average UV index in December - Victorville, 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 January, February, November and December (UV index 3).

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Average cloud cover in December
Victorville, CA

Average cloud cover in December - Victorville, CA
  • Average cloud cover in December: 21

The month with the most cloud cover is December (Cloud cover 21).
The months with the least cloud cover are June and August (Cloud cover 5).

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Average visibility in December
Victorville, CA

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

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