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 snowfall in December
- Average snowfall 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
December
Weather in December
Temperature
Lowest temperatures are observed in January and December, averaging a high-temperature of 45.7°F (7.6°C).Humidity
The average relative humidity in December in McNary, Arizona, is 61%.Rainfall
In December, in McNary, the rain falls for 3.6 days. Throughout December, 0.98" (25mm) of precipitation is accumulated. Throughout the year, in McNary, 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 McNary, in December, snow falls for 6.9 days, with typically accumulated 5.2" (132mm) of snow. In McNary, during the entire year, snow falls for 26 days and aggregates up to 20.98" (533mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 54min of daylight.On the first day of December in McNary, sunrise is at 7:07 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:20 pm MST.
Sunshine
With an average of 6.8h of sunshine, December has the least sunshine of the year.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in McNary. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average maximum UV index of 2 in December leads to these recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. It's recommended to limit sun exposure when its radiation is at its peak during midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in McNary?
What are December temperatures in McNary?
What is the average humidity in December in McNary?
How many days does it rain in December in McNary?
How many days does it snow in December in McNary?
What is the month with the shortest days in McNary?
How many hours of daylight does McNary have in December?
What time are sunrise and sunset in December in McNary?
What is the month with the least sunshine in McNary?
How long on average sun shines in December in McNary?
What are the months with the lowest UV index in McNary?
How high is the UV index in December in McNary?
Average temperature in December
McNary, 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
McNary, 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
McNary, 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
McNary, 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
McNary, 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
McNary, 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
McNary, 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
McNary, 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
McNary, AZ
- Average daylight in December: 9h and 5min
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 5min
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
McNary, 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
McNary, 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
McNary, 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
McNary, 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).