December weather forecastRosboro, AR
December
Weather in December
December, the first month of the winter in Rosboro, is still a cool month, with an average temperature varying between 37.8°F (3.2°C) and 52.9°F (11.6°C).Temperature
Transitioning from November to December involves a subtle drop in average high-temperatures, descending from a comfortable 61°F (16.1°C) to a fresh 52.9°F (11.6°C). December nights are marked by an average temperature drop to a cold 37.8°F (3.2°C).Humidity
In Rosboro, the average relative humidity in December is 79%.Rainfall
In Rosboro, in December, during 11.4 rainfall days, 3.58" (91mm) of precipitation is typically accumulated. In Rosboro, during the entire year, the rain falls for 149.1 days and collects up to 37.4" (950mm) of precipitation.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.5 snowfall days, it receives 0.28" (7mm) of snow. Throughout the year, there are 3.7 snowfall days, and 1.57" (40mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 7:02 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:14 pm CST.
Sunshine
The months with the least sunshine are February and December, with an average of 5.1h of sunshine.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 threat to health from exposure to the Sun's UV rays for average individuals.Note: In December, an average UV index of 2 transforms into the following instructions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. To guard against the harmful effects of the Sun, minimize exposure during midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rosboro, AR
- Average high temperature in December: 52.9°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 (50.5°F).
- Average low temperature in December: 37.8°F
The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).
Average pressure in December
Rosboro, AR
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Rosboro, AR
- Average wind speed in December: 5.8mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Rosboro, AR
- Average humidity in December: 79%
The months with the highest relative humidity are February and March (80%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Rosboro, AR
- Average rainfall in December: 3.58"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is January (2.24").
Average rainfall days in December
Rosboro, AR
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in December
Rosboro, AR
- Average snowfall in December: 0.28"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Rosboro, AR
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is January (1.3 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in December /
Average sunshine in December
Rosboro, AR
- Average daylight in December: 9h and 54min
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: 5h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
Average sunshine days in December
Rosboro, AR
- Average sunshine days in December: 18.8 days
The month with the most sunshine days is January (19.7 days).
The month with the least sunshine days is February (13.9 days).
Average UV index in December
Rosboro, AR
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Rosboro, AR
- Average cloud cover in December: 44
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Rosboro, AR
- Average visibility in December: 5mi
The months with the highest visibility are April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May and December (5mi).





