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
Weather in December
Temperature
The transition into December involves a decrease in the average high-temperature, falling from a cool 52.2°F (11.2°C) in November to a wintry 41.9°F (5.5°C). In the month of December, Black Falls Crossing witnesses a consistent average low-temperature of 24.3°F (-4.3°C).Humidity
In Black Falls Crossing, the average relative humidity in December is 63%.Rainfall
In December, the rain falls for 1.2 days. Throughout December, 0.63" (16mm) of precipitation is accumulated. Throughout the year, there are 60.2 rainfall days, and 10" (254mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall is December, when snow falls for 5.5 days and typically aggregates up to 4.57" (116mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 7:16 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:22 pm MST.
Sunshine
December has the least sunshine of the year, with an average of 6.9h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 2 during December translates into these guidelines:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in December?
What is the average humidity in December?
How many days does it rain in December?
When does it snow the most in Black Falls Crossing?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Black Falls Crossing have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Black Falls Crossing, AZ
- Average high temperature in December: 41.9°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in December: 24.3°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is December (24.3°F).
Average pressure in December
Black Falls Crossing, 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 (29.86"Hg).
Average wind speed in December
Black Falls Crossing, AZ
- Average wind speed in December: 6.9mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in December
Black Falls Crossing, AZ
- Average humidity in December: 63%
The month with the highest relative humidity is January (66%).
The month with the lowest relative humidity is June (23%).
Average rainfall in December
Black Falls Crossing, AZ
- Average rainfall in December: 0.63"
The wettest month (with the highest rainfall) is July (2.48").
The driest month (with the least rainfall) is June (0.2").
Average rainfall days in December
Black Falls Crossing, AZ
- Average rainfall days in December: 1.2 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is November (1.1 days).
Average snowfall in December
Black Falls Crossing, AZ
- Average snowfall in December: 4.57"
The month with the highest snowfall is December (4.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Black Falls Crossing, AZ
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is December (5.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Black Falls Crossing, AZ
- Average daylight in December: 9h and 5min
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 48min).
- Average sunshine in December: 6h and 5min
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: 6h and 54min).
Average sunshine days in December
Black Falls Crossing, AZ
- Average sunshine days in December: 25.1 days
The month with the most sunshine days is November (26.9 days).
The month with the least sunshine days is July (11 days).
Average UV index in December
Black Falls Crossing, 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
Black Falls Crossing, 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 7).
Average visibility in December
Black Falls Crossing, 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).
Black Falls Crossing, Arizona, USA
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