December weather forecastMountainburg, AR
December
Weather in December
The first month of the winter, December, is also a frosty month in Mountainburg, Arkansas, with an average temperature fluctuating between 49.1°F (9.5°C) and 35.1°F (1.7°C).Temperature
The arrival of December corresponds with a temperature reduction, down from November's mild 59.2°F (15.1°C) to a chilly 49.1°F (9.5°C). Throughout the month of December, Mountainburg witnesses an average temperature of 35.1°F (1.7°C).Humidity
The average relative humidity in December in Mountainburg, Arkansas, is 75%.Rainfall
In Mountainburg, in December, during 9.4 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. In Mountainburg, during the entire year, the rain falls for 145.7 days and collects up to 35.79" (909mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Mountainburg, Arkansas, during December, snow falls for 0.7 days and regularly aggregates up to 0.71" (18mm) of snow. In Mountainburg, during the entire year, snow falls for 4.6 days and aggregates up to 2.6" (66mm) of snow.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 7:08 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:13 pm CST.
Sunshine
January and December, with an average of 5.5h of sunshine, are months with the least sunshine.UV index
The month with the lowest UV index in Mountainburg is December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 2 in December translates into these instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mountainburg, AR
- Average high temperature in December: 49.1°F
The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is January (47.7°F).
- Average low temperature in December: 35.1°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).
Average pressure in December
Mountainburg, 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
Mountainburg, AR
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).
Average humidity in December
Mountainburg, AR
- Average humidity in December: 75%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are July and August (70%).
Average rainfall in December
Mountainburg, AR
- Average rainfall in December: 2.68"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is January (2.13").
Average rainfall days in December
Mountainburg, AR
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (8.5 days).
Average snowfall in December
Mountainburg, AR
- Average snowfall in December: 0.71"
The month with the highest snowfall is January (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Mountainburg, AR
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is February (1.6 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mountainburg, 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 30min
The months with the most sunshine are July and August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in December
Mountainburg, AR
- Average sunshine days in December: 19.1 days
The month with the most sunshine days is January (20.6 days).
The month with the least sunshine days is May (13.1 days).
Average UV index in December
Mountainburg, 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
Mountainburg, 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
Mountainburg, AR
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
