December weather forecastSeward, NE
December
Weather in December
In December, Seward, Nebraska plunges into full winter chill, as temperatures plummet considerably with an average high around 35.4°F (1.9°C) and a wintry low of 22.3°F (-5.4°C). Compared to November, December proves to be significantly colder and snowier. Days are significantly shorter with daylight hours averaging 9.3, the least in a year. Those picturesque snowfalls that make winter memorable come to full force, especially around the holiday season. Consequently, with a beautiful crystalline landscape, the city bids farewell to the year, embracing the cold winter nights and the fluffy snow laden mornings.Temperature
December's arrival coincides with a drop in the average high-temperature, decreasing from November's chilly 49.6°F (9.8°C) to a wintry 35.4°F (1.9°C). Seward witnesses an average low-temperature of 22.3°F (-5.4°C) throughout the month of December.Humidity
In Seward, the average relative humidity in December is 75%.Rainfall
In Seward, in December, during 2.9 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. Throughout the year, there are 98.2 rainfall days, and 11.06" (281mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 4.1 days. Throughout December, 0.51" (13mm) of snow is accumulated. Throughout the year, there are 22.3 snowfall days, and 4.65" (118mm) of snow is accumulated.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:34 am and sunset at 5:01 pm. On the last day of December, sunrise is at 7:52 am and sunset at 5:10 pm CST.
Sunshine
In Seward, the average sunshine in December is 5.3h.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 vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Caution! The reflection of snow 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
Seward, NE
- Average high temperature in December: 35.4°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in December: 22.3°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 (18°F).
Average pressure in December
Seward, 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 (29.85"Hg).
Average wind speed in December
Seward, NE
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in December
Seward, NE
- Average humidity in December: 75%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is October (64%).
Average rainfall in December
Seward, NE
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is May (1.85").
The driest month (with the least rainfall) is February (0.28").
Average rainfall days in December
Seward, NE
- Average rainfall days in December: 2.9 days
The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in December
Seward, NE
- Average snowfall in December: 0.51"
The month with the highest snowfall is January (1.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Seward, NE
- Average snowfall days in December: 4.1 days
The month with the highest number of snowfall days is February (5.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Seward, NE
- Average daylight in December: 9h and 18min
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 18min).
- Average sunshine in December: 5h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in December
Seward, NE
- Average sunshine days in December: 23.5 days
The month with the most sunshine days is November (24 days).
The month with the least sunshine days is June (14.2 days).
Average UV index in December
Seward, 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
Seward, NE
- Average cloud cover in December: 41
The months with the most cloud cover are January and March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in December
Seward, 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).





