December weather forecastNorman, AR
December
Weather in December
The first month of the winter, December, is still a cool month in Norman, Arkansas, with an average temperature varying between 36°F (2.2°C) and 50.9°F (10.5°C).Temperature
In Norman, the beginning of December is marked by a marginally lowered average high-temperature, shifting from November's mild 59.2°F (15.1°C) to a cool 50.9°F (10.5°C). An average nighttime temperature of 36°F (2.2°C) is witnessed throughout December.Humidity
In December, the average relative humidity is 79%.Rainfall
In December, the rain falls for 10.8 days. Throughout December, 3.11" (79mm) of precipitation is accumulated. Throughout the year, there are 160.2 rainfall days, and 38.86" (987mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In December, it is snowing for 0.9 days. Throughout December, 0.55" (14mm) of snow is accumulated. In Norman, during the entire year, snow falls for 5.8 days and aggregates up to 3.46" (88mm) of snow.Daylight
The month with the shortest days in Norman is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 7:03 am and sunset at 5:04 pm. On the last day of December, sunrise is at 7:21 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 estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Norman, AR
- Average high temperature in December: 50.9°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in December: 36°F
The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).
Average pressure in December
Norman, 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 (29.94"Hg).
Average wind speed in December
Norman, AR
- Average wind speed in December: 5.8mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Norman, AR
- Average humidity in December: 79%
The month with the highest relative humidity is March (80%).
The months with the lowest relative humidity are July, August, September and October (73%).
Average rainfall in December
Norman, AR
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is May (4.76").
The driest month (with the least rainfall) is January (2.32").
Average rainfall days in December
Norman, AR
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is August (17.7 days).
The month with the least rainy days is January (9.6 days).
Average snowfall in December
Norman, AR
- Average snowfall in December: 0.55"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Norman, AR
- Average snowfall days in December: 0.9 days
The month with the highest number of snowfall days is February (2 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
Norman, 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 July (Average sunshine: 10h and 12min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
Average sunshine days in December
Norman, AR
- Average sunshine days in December: 18.2 days
The month with the most sunshine days is January (19 days).
The month with the least sunshine days is August (10.5 days).
Average UV index in December
Norman, AR
- Average UV index in December: 2
The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Norman, AR
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June, July, August and September (Cloud cover 30).
Average visibility in December
Norman, 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).
