December weather forecastBlue Mountain, AR
December
Weather in December
The first month of the winter, December, is also a fresh month in Blue Mountain, Arkansas, with an average temperature fluctuating between 34.9°F (1.6°C) and 50°F (10°C).Temperature
Blue Mountain, Arkansas, observes a minor decrease in the average high-temperature with the arrival of December, falling from November's refreshing 59.2°F (15.1°C) to a cool 50°F (10°C). Blue Mountain witnesses a consistent average low-temperature of 34.9°F (1.6°C) throughout December.Humidity
The average relative humidity in December is 77%.Rainfall
In December, the rain falls for 7.8 days. Throughout December, 0.98" (25mm) of precipitation is accumulated. Throughout the year, there are 123.3 rainfall days, and 17.44" (443mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. The months with the most snowfall are January, February and December, with an average 0.28" (7mm) of accumulated snow.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year in Blue Mountain.On the first day of December, sunrise is at 7:05 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:13 pm CST.
Sunshine
The average sunshine in December is 5.6h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 suggests these recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Blue Mountain, AR
- Average high temperature in December: 50°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 (47.8°F).
- Average low temperature in December: 34.9°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 (31.5°F).
Average pressure in December
Blue Mountain, 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
Blue Mountain, AR
- Average wind speed in December: 5.3mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).
Average humidity in December
Blue Mountain, AR
- Average humidity in December: 77%
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
Blue Mountain, AR
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is May (2.52").
The driest month (with the least rainfall) is September (0.87").
Average rainfall days in December
Blue Mountain, AR
- Average rainfall days in December: 7.8 days
The month with the highest number of rainy days is May (12.9 days).
The month with the least rainy days is November (7.7 days).
Average snowfall in December
Blue Mountain, AR
- Average snowfall in December: 0.28"
The months with the highest snowfall are January, February and December (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Blue Mountain, AR
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is January (1.9 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
Blue Mountain, AR
- Average daylight in December: 9h and 48min
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 36min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in December
Blue Mountain, AR
- Average sunshine days in December: 21.3 days
The month with the most sunshine days is December (21.3 days).
The month with the least sunshine days is July (13.8 days).
Average UV index in December
Blue Mountain, 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
Blue Mountain, AR
- Average cloud cover in December: 40
The months with the most cloud cover are February and March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in December
Blue Mountain, AR
- Average visibility in December: 6mi
The months with the highest visibility are February, March, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, April and May (5mi).
