Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
The coldest temperatures occur during December, when averages reach a peak of 54.5°F (12.5°C) and a low of 39°F (3.9°C).Humidity
The months with the highest humidity are February and December, with an average relative humidity of 53%.Rainfall
The wettest months are February and December, with an average 1.65" (42mm) of rainfall.Snowfall
Months with snowfall are January through May, November and December. The month with the most snowfall is December, when snow falls for 2.2 days and typically aggregates up to 5.79" (147mm) 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 6:39 am and sunset at 4:40 pm. On the last day of December, sunrise is at 6:56 am and sunset at 4:51 pm PST.
Sunshine
The month with the least sunshine in Wrightwood is December, with an average of 6.9h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 3 during December leads to these advisories:
Exercise prevention - Warding off sunburn is urged. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
What are the temperatures in December?
What is the most humid month?
What is the average humidity in December?
What is the wettest month?
How many days does it rain in December?
What is the snowiest month?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Wrightwood have in December?
What are the months with the lowest UV index?
What is the UV index reading in December in Wrightwood?
Average temperature in December
Wrightwood, CA
- Average high temperature in December: 54.5°F
The warmest month (with the highest average high temperature) is August (90.9°F).
The month with the lowest average high temperature is December (54.5°F).
- Average low temperature in December: 39°F
The month with the highest average low temperature is August (65.3°F).
The coldest month (with the lowest average low temperature) is December (39°F).
Average pressure in December
Wrightwood, 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 (29.85"Hg).
Average wind speed in December
Wrightwood, CA
- Average wind speed in December: 6.2mph
The windiest months (with the highest average wind speed) are April and May (7.6mph).
The calmest month (with the lowest average wind speed) is September (5.5mph).
Average humidity in December
Wrightwood, CA
- Average humidity in December: 53%
The months with the highest relative humidity are February and December (53%).
The month with the lowest relative humidity is August (35%).
Average rainfall in December
Wrightwood, CA
- Average rainfall in December: 1.65"
The wettest months (with the highest rainfall) are February and December (1.65").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in December
Wrightwood, CA
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is March (7.5 days).
The month with the least rainy days is June (0.8 days).
Average snowfall in December
Wrightwood, CA
- Average snowfall in December: 5.79"
The month with the highest snowfall is December (5.79").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Wrightwood, CA
- Average snowfall days in December: 2.2 days
The month with the highest number of snowfall days is February (3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Wrightwood, 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: 6h and 5min
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: 6h and 54min).
Average sunshine days in December
Wrightwood, CA
- Average sunshine days in December: 22.9 days
The month with the most sunshine days is June (28.8 days).
The month with the least sunshine days is February (20.8 days).
Average UV index in December
Wrightwood, CA
- Average UV index in December: 3
The months with the highest UV index are 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
Wrightwood, CA
- Average cloud cover in December: 22
The month with the most cloud cover is December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in December
Wrightwood, 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).