December weather forecastRoosevelt, AZ
December
Weather in December
December, the first month of the winter in Roosevelt, is still a refreshing month, with temperature in the range of an average low of 41.4°F (5.2°C) and an average high of 57.9°F (14.4°C).Temperature
December, with its high-temperature average of 57.9°F (14.4°C) and a low-temperature average of 41.4°F (5.2°C), is the coldest month.Humidity
December is the most humid month in Roosevelt, with an average relative humidity of 49%.Rainfall
In Roosevelt, in December, it is raining for 7.5 days, with typically 1.38" (35mm) of accumulated precipitation. Throughout the year, in Roosevelt, Arizona, there are 85.7 rainfall days, and 14.29" (363mm) of precipitation is accumulated.Snowfall
January through March, September and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.5 snowfall days, it receives 0.12" (3mm) of snow. Throughout the year, in Roosevelt, there are 1.7 snowfall days, and 1.61" (41mm) of snow is accumulated.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year in Roosevelt.On the first day of December in Roosevelt, Arizona, sunrise is at 7:11 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:26 pm MST.
Sunshine
December has the least sunshine of the year in Roosevelt, with an average of 6.6h of sunshine.UV index
The months with the lowest UV index in Roosevelt are November and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index, 3 during December, leads to the following recommendations:
Make use of precautions - It is urged to ward off sun damage. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Roosevelt, AZ
- Average high temperature in December: 57.9°F
The warmest months (with the highest average high temperature) are June and July (95.5°F).
The month with the lowest average high temperature is December (57.9°F).
- Average low temperature in December: 41.4°F
The months with the highest average low temperature are July and August (76.5°F).
The coldest months (with the lowest average low temperature) are January and December (41.4°F).
Average pressure in December
Roosevelt, AZ
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Roosevelt, AZ
- Average wind speed in December: 5.6mph
The windiest month (with the highest average wind speed) is May (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in December
Roosevelt, AZ
- Average humidity in December: 49%
The month with the highest relative humidity is December (49%).
The month with the lowest relative humidity is June (20%).
Average rainfall in December
Roosevelt, AZ
- Average rainfall in December: 1.38"
The wettest month (with the highest rainfall) is August (2.28").
The driest month (with the least rainfall) is June (0.2").
Average rainfall days in December
Roosevelt, AZ
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is June (3.3 days).
Average snowfall in December
Roosevelt, AZ
- Average snowfall in December: 0.12"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are April, May, June, July, August, October and November (0").
Average snowfall days in December
Roosevelt, AZ
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (0.7 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
Roosevelt, AZ
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 6h and 36min
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 36min).
Average sunshine days in December
Roosevelt, AZ
- Average sunshine days in December: 22.4 days
The month with the most sunshine days is May (27 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in December
Roosevelt, AZ
- Average UV index in December: 3
The month with the highest UV index is June (UV index 8).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover in December
Roosevelt, AZ
- Average cloud cover in December: 24
The month with the most cloud cover is December (Cloud cover 24).
The month with the least cloud cover is June (Cloud cover 7).
Average visibility in December
Roosevelt, 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).





