December weather forecastOld Glory, AZ
December
Weather in December
December, the first month of the winter in Old Glory, is also a moderate month, with temperature in the range of an average low of 40.5°F (4.7°C) and an average high of 59.7°F (15.4°C).Temperature
December is the coldest month, exhibiting average temperatures of 59.7°F (15.4°C) at the peak and 40.5°F (4.7°C) at the base.Humidity
In Old Glory, the average relative humidity in December is 47%.Rainfall
In December, the rain falls for 6 days. Throughout December, 0.71" (18mm) of precipitation is accumulated. In Old Glory, Arizona, during the entire year, the rain falls for 89.6 days and collects up to 15.94" (405mm) of precipitation.Snowfall
January through March and December are months with snowfall in Old Glory. The month with the most snowfall in Old Glory is December, when snow falls for 0.9 days and typically aggregates up to 1.18" (30mm) of snow.Daylight
With an average of 10h and 6min of daylight, December has the shortest days of the year in Old Glory.On the first day of the month, sunrise is at 7:06 am and sunset at 5:21 pm. On the last day of December, in Old Glory, sunrise is at 7:24 am and sunset at 5:32 pm MST.
Sunshine
With an average of 6.9h of sunshine, December has the least sunshine of the year.UV index
November and December, with an average maximum UV index of 3, are months with the lowest UV index in Old Glory. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: An average UV index of 3 in December transforms into this advice:
Exercise prevention - Precautions against solar damage are endorsed. To guard against the harmful effects of the Sun, minimize exposure during midday. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Old Glory, AZ
- Average high temperature in December: 59.7°F
The warmest month (with the highest average high temperature) is June (91.6°F).
The month with the lowest average high temperature is December (59.7°F).
- Average low temperature in December: 40.5°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is December (40.5°F).
Average pressure in December
Old Glory, AZ
- Average pressure in December: 30.03"Hg
The month with the highest atmospheric pressure is January (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in December
Old Glory, AZ
- Average wind speed in December: 6.6mph
The windiest month (with the highest average wind speed) is May (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Old Glory, AZ
- Average humidity in December: 47%
The month with the highest relative humidity is August (52%).
The months with the lowest relative humidity are May and June (24%).
Average rainfall in December
Old Glory, AZ
- Average rainfall in December: 0.71"
The wettest month (with the highest rainfall) is July (4.41").
The driest month (with the least rainfall) is May (0.12").
Average rainfall days in December
Old Glory, AZ
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is July (21.6 days).
The month with the least rainy days is May (1.7 days).
Average snowfall in December
Old Glory, AZ
- Average snowfall in December: 1.18"
The month with the highest snowfall is December (1.18").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Old Glory, AZ
- Average snowfall days in December: 0.9 days
The month with the highest number of snowfall days is December (0.9 days).
The months with the least snowfall days are April, May, June, July, August, October and November (0 days).
Average daylight in December /
Average sunshine in December
Old Glory, 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 54min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in December
Old Glory, AZ
- Average sunshine days in December: 24.4 days
The month with the most sunshine days is May (29 days).
The month with the least sunshine days is July (6.8 days).
Average UV index in December
Old Glory, AZ
- Average UV index in December: 3
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover in December
Old Glory, AZ
- Average cloud cover in December: 21
The month with the most cloud cover is July (Cloud cover 24).
The month with the least cloud cover is May (Cloud cover 7).
Average visibility in December
Old Glory, 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).





