December weather forecastMendenhall, AR
December
Weather in December
December, the first month of the winter in Mendenhall, is also a fresh month, with an average temperature ranging between min 39.9°F (4.4°C) and max 54.3°F (12.4°C).Temperature
December brings a slight decrease in the average high-temperature, shifting from a refreshing 62.4°F (16.9°C) in November to a fresh 54.3°F (12.4°C). Mendenhall, in December, witnesses an average low-temperature of 39.9°F (4.4°C).Humidity
February and December, with an average relative humidity of 81%, are the most humid months.Rainfall
In Mendenhall, in December, it is raining for 13 days, with typically 3.7" (94mm) of accumulated precipitation. Throughout the year, there are 160.4 rainfall days, and 38.86" (987mm) of precipitation is accumulated.Snowfall
April through October and December are months without snowfall.Daylight
The month with the shortest days in Mendenhall is December, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 6:59 am and sunset at 5:04 pm. On the last day of December, sunrise is at 7:16 am and sunset at 5:15 pm CST.
Sunshine
In Mendenhall, the average sunshine in December is 5.1h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Stay sun-safe with clothing that is both closely woven and worn loosely. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mendenhall, AR
- Average high temperature in December: 54.3°F
The warmest months (with the highest average high temperature) are July and August (93.4°F).
The month with the lowest average high temperature is January (51.8°F).
- Average low temperature in December: 39.9°F
The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (36.5°F).
Average pressure in December
Mendenhall, 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 (29.94"Hg).
Average wind speed in December
Mendenhall, AR
- Average wind speed in December: 6.1mph
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
Mendenhall, AR
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Mendenhall, AR
- Average rainfall in December: 3.7"
The wettest month (with the highest rainfall) is April (5.08").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days in December
Mendenhall, AR
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is October (10.3 days).
Average snowfall in December
Mendenhall, AR
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.59").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").
Average snowfall days in December
Mendenhall, AR
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (1.5 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
Mendenhall, AR
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in December
Mendenhall, AR
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is February (13 days).
Average UV index in December
Mendenhall, 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
Mendenhall, AR
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are August and September (Cloud cover 28).
Average visibility in December
Mendenhall, AR
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).





