December weather forecastWhiteriver, AZ
December
Weather in December
December, the first month of the winter in Whiteriver, is still a chilly month, with an average temperature fluctuating between 27°F (-2.8°C) and 45.7°F (7.6°C).Temperature
In Whiteriver, the coldest period comes during January and December, when the average high-temperature touches 45.7°F (7.6°C).Humidity
In December, the average relative humidity in Whiteriver is 61%.Rainfall
In Whiteriver, in December, it is raining for 3.6 days, with typically 0.98" (25mm) of accumulated precipitation. Throughout the year, there are 71.1 rainfall days, and 9.96" (253mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Whiteriver, in December, during 6.9 snowfall days, 5.2" (132mm) of snow is typically accumulated. Throughout the year, there are 26 snowfall days, and 20.98" (533mm) of snow is accumulated.Daylight
December has the shortest days of the year in Whiteriver, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 7:07 am and sunset at 5:11 pm. On the last day of December, sunrise is at 7:24 am and sunset at 5:21 pm MST.
Sunshine
December has the least sunshine of the year, with an average of 6.8h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Whiteriver. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 2 in December translates into this advice:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. It's recommended to limit sun exposure when its radiation is at its peak during midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Whiteriver, AZ
- Average high temperature in December: 45.7°F
The warmest month (with the highest average high temperature) is June (83.3°F).
The months with the lowest average high temperature are January and December (45.7°F).
- Average low temperature in December: 27°F
The month with the highest average low temperature is July (61°F).
The coldest months (with the lowest average low temperature) are January and December (27°F).
Average pressure in December
Whiteriver, AZ
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Whiteriver, AZ
- Average wind speed in December: 7.7mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Whiteriver, AZ
- Average humidity in December: 61%
The month with the highest relative humidity is January (62%).
The month with the lowest relative humidity is June (26%).
Average rainfall in December
Whiteriver, AZ
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is July (1.89").
The driest month (with the least rainfall) is June (0.16").
Average rainfall days in December
Whiteriver, AZ
- Average rainfall days in December: 3.6 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is June (2.8 days).
Average snowfall in December
Whiteriver, AZ
- Average snowfall in December: 5.2"
The month with the highest snowfall is January (5.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Whiteriver, AZ
- Average snowfall days in December: 6.9 days
The month with the highest number of snowfall days is December (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Whiteriver, AZ
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 6h and 48min
The months with the most sunshine are June and August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in December
Whiteriver, AZ
- Average sunshine days in December: 22 days
The month with the most sunshine days is October (26 days).
The month with the least sunshine days is July (9.7 days).
Average UV index in December
Whiteriver, AZ
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Whiteriver, AZ
- Average cloud cover in December: 23
The month with the most cloud cover is December (Cloud cover 23).
The month with the least cloud cover is June (Cloud cover 8).
Average visibility in December
Whiteriver, 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).
