December weather forecastSuperior, NE
December
Weather in December
December, the first month of the winter in Superior, is also an icy month, with temperature in the range of an average high of 38.5°F (3.6°C) and an average low of 23.9°F (-4.5°C).Temperature
December's onset brings a reduction in the average high-temperature, from a cool 51.4°F (10.8°C) in November to an icy 38.5°F (3.6°C). Throughout December, Superior experiences a low-temperature average of 23.9°F (-4.5°C).Humidity
In December, the average relative humidity in Superior is 72%.Rainfall
In December, the rain falls for 4.5 days. Throughout December, 1.3" (33mm) of precipitation is accumulated. Throughout the year, there are 110.2 rainfall days, and 21.42" (544mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Superior, in December, snow falls for 4.5 days, with typically accumulated 1.81" (46mm) of snow. In Superior, during the entire year, snow falls for 24.3 days and aggregates up to 10.51" (267mm) of snow.Daylight
The month with the shortest days in Superior is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:35 am and sunset at 5:07 pm. On the last day of December, sunrise is at 7:54 am and sunset at 5:17 pm CST.
Sunshine
January and December, with an average of 5.7h of sunshine, are months with the least sunshine.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 value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A typical high UV index of 2 in December suggests the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Superior, NE
- Average high temperature in December: 38.5°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in December: 23.9°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in December
Superior, 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
Superior, NE
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is April (11.8mph).
The calmest months (with the lowest average wind speed) are July and August (8.7mph).
Average humidity in December
Superior, NE
- Average humidity in December: 72%
The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is October (61%).
Average rainfall in December
Superior, NE
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in December
Superior, NE
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (2.6 days).
Average snowfall in December
Superior, NE
- Average snowfall in December: 1.81"
The month with the highest snowfall is January (2.68").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Superior, NE
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is February (6.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Superior, NE
- Average daylight in December: 9h and 24min
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 24min).
- Average sunshine in December: 5h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 42min).
Average sunshine days in December
Superior, NE
- Average sunshine days in December: 22.7 days
The months with the most sunshine days are January and November (23.2 days).
The months with the least sunshine days are May and June (13.8 days).
Average UV index in December
Superior, NE
- Average UV index in December: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Superior, NE
- Average cloud cover in December: 37
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 24).
Average visibility in December
Superior, 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).





