December weather forecastBlair, NE
December
Weather in December
In December, Blair settles into an intense winter season with frigid temperatures, a biting average low of 21.6°F (-5.8°C), and frequent snowfall that covers the city in a blanket of white. Daylight hours reduce to their lowest, and winter activities are at their peak, turning Blair into a winter wonderland. Outdoor activities become limited to winter sports, an attractive feature for winter sports enthusiasts. The city streets, under the glow of festive lights, exude a charming atmosphere, perfectly complimenting the festive spirit of Christmas and the approaching New Year.Temperature
Blair in December showcases a distinct temperature shift, moving from an average high of a chilly 48.4°F (9.1°C) in November to a wintry 33.6°F (0.9°C). December brings Blair a consistent average low-temperature of 21.6°F (-5.8°C).Humidity
The average relative humidity in December in Blair is 78%.Rainfall
In Blair, during December, the rain falls for 4.6 days and regularly aggregates up to 1.22" (31mm) of precipitation. Throughout the year, there are 115.5 rainfall days, and 19.61" (498mm) of precipitation is accumulated.Snowfall
Months with snowfall in Blair are January through April, October through December. In December, in Blair, it is snowing for 6.8 days. Throughout December, 2.09" (53mm) of snow is accumulated. In Blair, during the entire year, snow falls for 33.4 days and aggregates up to 9.33" (237mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year in Blair.On the first day of December in Blair, sunrise is at 7:32 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 5:04 pm CST.
Sunshine
In Blair, the average sunshine in December is 5h.UV index
The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, a daily UV index of 2 turns into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Consider this! The reflection from snow can almost 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
Blair, NE
- Average high temperature in December: 33.6°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in December: 21.6°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in December
Blair, NE
- 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 (29.86"Hg).
Average wind speed in December
Blair, NE
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in December
Blair, NE
- Average humidity in December: 78%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is October (66%).
Average rainfall in December
Blair, NE
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is June (3.11").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in December
Blair, NE
- Average rainfall days in December: 4.6 days
The month with the highest number of rainy days is June (15.8 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in December
Blair, NE
- Average snowfall in December: 2.09"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Blair, NE
- Average snowfall days in December: 6.8 days
The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Blair, NE
- Average daylight in December: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in December
Blair, NE
- Average sunshine days in December: 20.3 days
The month with the most sunshine days is November (21.6 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in December
Blair, NE
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Blair, NE
- Average cloud cover in December: 45
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in December
Blair, 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).





