December weather forecastPicture Rocks, AZ
December
Weather in December
The first month of the winter, December, is still a comfortable month in Picture Rocks, Arizona, with an average temperature varying between 44.6°F (7°C) and 61.9°F (16.6°C).Temperature
December, with an average high of 61.9°F (16.6°C) and a low of 44.6°F (7°C), signifies the coldest month of the year.Humidity
With an average relative humidity of 45%, December is the most humid month.Rainfall
In Picture Rocks, during December, the rain falls for 6.4 days and regularly aggregates up to 0.87" (22mm) of precipitation. In Picture Rocks, during the entire year, the rain falls for 71.5 days and collects up to 9.72" (247mm) of precipitation.Daylight
With an average of 10h and 6min of daylight, December has the shortest days of the year.On the first day of December in Picture Rocks, sunrise is at 7:08 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:30 pm MST.
Sunshine
December has the least sunshine of the year in Picture Rocks, with an average of 6.8h of sunshine.UV index
The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 3 in December converts into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Picture Rocks, AZ
- Average high temperature in December: 61.9°F
The warmest month (with the highest average high temperature) is June (99°F).
The month with the lowest average high temperature is December (61.9°F).
- Average low temperature in December: 44.6°F
The month with the highest average low temperature is August (79.7°F).
The coldest month (with the lowest average low temperature) is December (44.6°F).
Average pressure in December
Picture Rocks, AZ
- Average pressure in December: 30.04"Hg
The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in December
Picture Rocks, AZ
- Average wind speed in December: 5.5mph
The windiest months (with the highest average wind speed) are April and May (7.9mph).
The calmest months (with the lowest average wind speed) are January and December (5.5mph).
Average humidity in December
Picture Rocks, AZ
- Average humidity in December: 45%
The month with the highest relative humidity is December (45%).
The month with the lowest relative humidity is June (18%).
Average rainfall in December
Picture Rocks, AZ
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is August (1.77").
The driest months (with the least rainfall) are April and May (0.2").
Average rainfall days in December
Picture Rocks, AZ
- Average rainfall days in December: 6.4 days
The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is May (2.4 days).
Average daylight in December /
Average sunshine in December
Picture Rocks, AZ
- Average daylight in December: 10h and 6min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 6h and 48min
The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in December
Picture Rocks, AZ
- Average sunshine days in December: 24.2 days
The month with the most sunshine days is May (28.2 days).
The month with the least sunshine days is July (13 days).
Average UV index in December
Picture Rocks, AZ
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Picture Rocks, AZ
- Average cloud cover in December: 21
The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 7).
Average visibility in December
Picture Rocks, AZ
- 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).
