December weather forecastWillow Valley, AZ
December
Weather in December
The first month of the winter, December, is also a moderate month in Willow Valley, Arizona, with temperature in the range of an average high of 59°F (15°C) and an average low of 45.7°F (7.6°C).Temperature
Willow Valley reaches its lowest average temperatures in December, measuring 59°F (15°C) at the peak and 45.7°F (7.6°C) at the lowest.Humidity
The months with the highest humidity in Willow Valley are January and December, with an average relative humidity of 40%.Rainfall
In Willow Valley, Arizona, in December, it is raining for 3.7 days, with typically 0.43" (11mm) of accumulated precipitation. Throughout the year, in Willow Valley, there are 41.8 rainfall days, and 4.21" (107mm) of precipitation is accumulated.Daylight
The month with the shortest days in Willow Valley is December, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 7:28 am and sunset at 5:27 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:37 pm MST.
Sunshine
The month with the least sunshine in Willow Valley, Arizona, is December, with an average of 7h 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 unsafe exposure to UV radiation for average individuals.Note: The daily maximum UV index of 3 in December interprets into the following advice:
Guard yourself - Avoiding sunburn is suggested. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Willow Valley, AZ
- Average high temperature in December: 59°F
The warmest month (with the highest average high temperature) is July (102.6°F).
The month with the lowest average high temperature is December (59°F).
- Average low temperature in December: 45.7°F
The month with the highest average low temperature is August (83.8°F).
The coldest month (with the lowest average low temperature) is December (45.7°F).
Average pressure in December
Willow Valley, AZ
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.75"Hg).
Average wind speed in December
Willow Valley, AZ
- Average wind speed in December: 7.7mph
The windiest month (with the highest average wind speed) is April (9mph).
The calmest month (with the lowest average wind speed) is September (6.8mph).
Average humidity in December
Willow Valley, AZ
- Average humidity in December: 40%
The months with the highest relative humidity are January and December (40%).
The month with the lowest relative humidity is June (14%).
Average rainfall in December
Willow Valley, AZ
- Average rainfall in December: 0.43"
The wettest month (with the highest rainfall) is July (0.67").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in December
Willow Valley, AZ
- Average rainfall days in December: 3.7 days
The month with the highest number of rainy days is July (7.8 days).
The month with the least rainy days is June (1.1 days).
Average daylight in December /
Average sunshine in December
Willow Valley, AZ
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 7h and 0min
The months with the most sunshine are June and August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in December
Willow Valley, AZ
- Average sunshine days in December: 26 days
The month with the most sunshine days is November (28.1 days).
The month with the least sunshine days is July (17.9 days).
Average UV index in December
Willow Valley, 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
Willow Valley, AZ
- Average cloud cover in December: 19
The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in December
Willow Valley, 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).
