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 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
Weather in December
Temperature
Arlington's coldest month, December, registers temperatures that range from a high of 62.6°F (17°C) to a low of 46.8°F (8.2°C).Humidity
The most humid month is December, with an average relative humidity of 43%.Rainfall
In Arlington, in December, it is raining for 5.4 days, with typically 0.71" (18mm) of accumulated precipitation. Throughout the year, there are 54 rainfall days, and 8.07" (205mm) of precipitation is accumulated.Daylight
The month with the shortest days in Arlington is December, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 7:17 am and sunset at 5:23 pm. On the last day of December, sunrise is at 7:34 am and sunset at 5:34 pm MST.
Sunshine
December has the least sunshine of the year, with an average of 6.8h of sunshine.UV index
With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 3 suggests these recommendations:
Take precautions - Protection against sunburn is recommended. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
What are December temperatures?
What is the most humid month in Arlington?
What is the average humidity in December?
How many days does it rain in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Arlington have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Arlington, AZ
- Average high temperature in December: 62.6°F
The warmest month (with the highest average high temperature) is July (102.7°F).
The month with the lowest average high temperature is December (62.6°F).
- Average low temperature in December: 46.8°F
The month with the highest average low temperature is August (84.2°F).
The coldest month (with the lowest average low temperature) is December (46.8°F).
Average pressure in December
Arlington, AZ
- Average pressure in December: 30.05"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.79"Hg).
Average wind speed in December
Arlington, AZ
- Average wind speed in December: 4.6mph
The windiest months (with the highest average wind speed) are April and May (6.8mph).
The calmest month (with the lowest average wind speed) is December (4.6mph).
Average humidity in December
Arlington, AZ
- Average humidity in December: 43%
The month with the highest relative humidity is December (43%).
The month with the lowest relative humidity is June (17%).
Average rainfall in December
Arlington, AZ
- Average rainfall in December: 0.71"
The wettest months (with the highest rainfall) are August, September and October (1.14").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in December
Arlington, AZ
- Average rainfall days in December: 5.4 days
The month with the highest number of rainy days is July (9.8 days).
The month with the least rainy days is June (0.9 days).
Average daylight in December /
Average sunshine in December
Arlington, AZ
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 6h and 5min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in December
Arlington, AZ
- Average sunshine days in December: 24.8 days
The month with the most sunshine days is May (28.7 days).
The month with the least sunshine days is August (18 days).
Average UV index in December
Arlington, AZ
- Average UV index in December: 3
The months with the highest UV index are May, June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Arlington, AZ
- 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
Arlington, 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).
Arlington, Arizona, USA
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