December weather forecastApple Valley, CA

December weather for Apple Valley, California: The month with the shortest days in Apple Valley is December, with an average of 9h and 54min of daylight. December, the first month of the winter in Apple Valley, is also a fresh month, with an average temperature varying between 53.2°F (11.8°C) and 38.3°F (3.5°C).

December

Weather in December

December, the first month of the winter in Apple Valley, is also a fresh month, with an average temperature varying between 53.2°F (11.8°C) and 38.3°F (3.5°C).

Temperature

The coldest month is December, with an average high-temperature of 53.2°F (11.8°C) and an average low-temperature of 38.3°F (3.5°C).

Humidity

The most humid month is December, with an average relative humidity of 51%.

Rainfall

December is the month with the most rainfall in Apple Valley. Rain falls for 5.5 days and accumulates 0.87" (22mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Apple Valley. In Apple Valley, in December, during 0.4 snowfall days, 0.87" (22mm) of snow is typically accumulated. In Apple Valley, during the entire year, snow falls for 2.7 days and aggregates up to 3.27" (83mm) of snow.

Daylight

The month with the shortest days in Apple Valley is December, with an average of 9h and 54min of daylight.
On the first day of December, sunrise is at 6:37 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 4:48 pm PST.

Sunshine

The months with the least sunshine in Apple Valley, California, are January and December, with an average of 7.1h of sunshine.

UV index

January, February, 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 medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum UV index of 3 in December translates into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

December is Apple Valley's coldest month, registering average high temperatures of 53.2°F (11.8°C) and lows of 38.3°F (3.5°C).

An average high-temperature, in December, in Apple Valley, is 53.2°F (11.8°C) and the average low-temperature is 38.3°F (3.5°C).

With an average relative humidity of 51%, December is the most humid month in Apple Valley.

The average relative humidity in December is 51%.

December is the month with the most rainfall. Rain falls for 5.5 days and accumulates 0.87" (22mm) of precipitation.

In Apple Valley, California, in December, it is raining for 5.5 days, with typically 0.87" (22mm) of accumulated precipitation.

In Apple Valley, during December, snow falls for 0.4 days and regularly aggregates up to 0.87" (22mm) of snow.

December has the shortest days of the year in Apple Valley, California, with an average of 9h and 54min of daylight.

The average day length in December in Apple Valley is 9h and 53min.

In December, on the first day of the month, sunrise is at 6:37 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 4:48 pm PST.

The months with the least sunshine in Apple Valley, California, are January and December, with an average of 7.1h of sunshine.

The average sunshine duration in December in Apple Valley, California, is 7.1h.

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

The average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Apple Valley, CA

  • Average high temperature in December: 53.2°F

The warmest month (with the highest average high temperature) is July (92.8°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 (69.4°F).
The coldest month (with the lowest average low temperature) is December (38.3°F).

Average pressure in December
Apple Valley, 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 (29.82"Hg).

Average wind speed in December
Apple Valley, CA

  • Average wind speed in December: 6.5mph

The windiest month (with the highest average wind speed) is May (10.4mph).
The calmest month (with the lowest average wind speed) is January (6.2mph).

Average humidity in December
Apple Valley, CA

  • Average humidity in December: 51%

The month with the highest relative humidity is December (51%).
The month with the lowest relative humidity is August (26%).

Average rainfall in December
Apple 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").

Average rainfall days in December
Apple Valley, CA

  • Average rainfall days in December: 5.5 days

The month with the highest number of rainy days is March (5.7 days).
The month with the least rainy days is June (0.8 days).

Average snowfall in December
Apple Valley, CA

  • Average snowfall in December: 0.87"

The month with the highest snowfall is November (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Apple Valley, CA

  • Average snowfall days in December: 0.4 days

The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Apple Valley, CA

  • Average daylight in December: 9h and 54min

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 6min

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 6min).

Average sunshine days in December
Apple Valley, CA

  • Average sunshine days in December: 23.9 days

The month with the most sunshine days is June (29 days).
The month with the least sunshine days is February (22.2 days).

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

Average cloud cover in December
Apple Valley, CA

  • Average cloud cover in December: 20

The month with the most cloud cover is December (Cloud cover 20).
The month with the least cloud cover is June (Cloud cover 5).

Average visibility in December
Apple 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).