December weather forecastNorman, NE
December
Weather in December
December, the first month of the winter in Norman, is also a wintry month, with an average temperature varying between 23°F (-5°C) and 37.2°F (2.9°C).Temperature
In Norman, the beginning of December is marked by a lowered average high-temperature, shifting from November's fresh 50.9°F (10.5°C) to an icy 37.2°F (2.9°C). Throughout December, Norman witnesses a nighttime temperature average of 23°F (-5°C).Humidity
The average relative humidity in December is 72%.Rainfall
In Norman, during December, the rain falls for 3.1 days and regularly aggregates up to 1.02" (26mm) of precipitation. In Norman, during the entire year, the rain falls for 105.4 days and collects up to 18.7" (475mm) of precipitation.Snowfall
Months with snowfall in Norman are January through May, October through December. The month with the most snowfall is December, when snow falls for 3.8 days and typically aggregates up to 2.48" (63mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year in Norman.On the first day of December, sunrise is at 7:39 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 5:18 pm CST.
Sunshine
With an average of 5.6h of sunshine, December has the least sunshine of the year.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 2 in December transforms into this advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Norman, NE
- Average high temperature in December: 37.2°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in December: 23°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in December
Norman, NE
- 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 (29.85"Hg).
Average wind speed in December
Norman, NE
- Average wind speed in December: 10.5mph
The windiest month (with the highest average wind speed) is April (12.1mph).
The calmest month (with the lowest average wind speed) is July (8.6mph).
Average humidity in December
Norman, NE
- Average humidity in December: 72%
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is October (60%).
Average rainfall in December
Norman, NE
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in December
Norman, NE
- Average rainfall days in December: 3.1 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (1.4 days).
Average snowfall in December
Norman, NE
- Average snowfall in December: 2.48"
The month with the highest snowfall is December (2.48").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Norman, NE
- Average snowfall days in December: 3.8 days
The month with the highest number of snowfall days is February (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Norman, NE
- Average daylight in December: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 5h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in December
Norman, NE
- Average sunshine days in December: 24.2 days
The month with the most sunshine days is January (24.4 days).
The month with the least sunshine days is June (12.8 days).
Average UV index in December
Norman, NE
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Norman, NE
- Average cloud cover in December: 37
The month with the most cloud cover is February (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in December
Norman, NE
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
