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 is accompanied by a temperature decrease, with the average high-temperature shifting from a refreshing 58.5°F (14.7°C) in November to a chilly 49.3°F (9.6°C). In December, Altus experiences a temperature dip to an average of 34.5°F (1.4°C) at night.Humidity
In Altus, the average relative humidity in December is 76%.Rainfall
In December, in Altus, Arkansas, the rain falls for 9.7 days. Throughout December, 2.64" (67mm) of precipitation is accumulated. In Altus, during the entire year, the rain falls for 139.2 days and collects up to 34.57" (878mm) of precipitation.Snowfall
Months with snowfall in Altus, Arkansas, are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 0.28" (7mm) of snow. Throughout the year, there are 3.9 snowfall days, and 2.05" (52mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 7:06 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:12 pm CST.
Sunshine
The average sunshine in December is 5.6h.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: The UV index of 2 during December translates into the following guidance:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the usual temperature for Altus in December?
What is the average humidity in December in Altus?
How many days does it rain in December in Altus?
When does it start to snow in Altus?
What is the month with the shortest days in Altus?
What is the average length of the day in December in Altus?
When is the sunrise / sunset in December in Altus?
How long on average sun shines in December in Altus?
When is the lowest UV index in Altus?
What is the UV index intensity in December in Altus?
Average temperature in December
Altus, AR
- Average high temperature in December: 49.3°F
The warmest month (with the highest average high temperature) is July (92.7°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in December: 34.5°F
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in December
Altus, AR
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Altus, AR
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is July (4.4mph).
Average humidity in December
Altus, AR
- Average humidity in December: 76%
The months with the highest relative humidity are March and May (78%).
The months with the lowest relative humidity are July and August (71%).
Average rainfall in December
Altus, AR
- Average rainfall in December: 2.64"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is July (2.17").
Average rainfall days in December
Altus, AR
- Average rainfall days in December: 9.7 days
The month with the highest number of rainy days is March (15.2 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in December
Altus, AR
- Average snowfall in December: 0.28"
The month with the highest snowfall is January (0.71").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Altus, AR
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is January (1.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Altus, AR
- 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: 5h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in December
Altus, AR
- Average sunshine days in December: 20.1 days
The month with the most sunshine days is December (20.1 days).
The month with the least sunshine days is April (13.8 days).
Average UV index in December
Altus, AR
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Altus, AR
- Average cloud cover in December: 40
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in December
Altus, AR
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are April and May (5mi).
Altus, Arkansas, USA
Weather forecast for your location
2. Allow the app to use your location
