December weather forecastPlattsmouth, NE
December
Weather in December
December in Plattsmouth is firmly within the winter domain, with nights growing colder and frost covering the city. Cordial daytime temperatures take a dip, averaging at around 35.1°F (1.7°C). After a brief interval in November, snow makes its return, clocking in an average of around 1.61" (41mm). Cloud cover increases, and days become shorter, marking a typical Nebraskan winter. With the end of the year approaching, Plattsmouth eases into a slower pace, blanketed under a layer of cold winter calm.Temperature
With December's arrival, Plattsmouth's weather changes as the average high-temperature falls from a frosty 49.3°F (9.6°C) in November to a wintry 35.1°F (1.7°C). In Plattsmouth, December's nights observe an average temperature dip to a freezing cold 22.6°F (-5.2°C).Humidity
In Plattsmouth, the average relative humidity in December is 77%.Rainfall
In Plattsmouth, Nebraska, during December, the rain falls for 5.1 days and regularly aggregates up to 1.46" (37mm) of precipitation. Throughout the year, there are 122.8 rainfall days, and 26.69" (678mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Plattsmouth, during December, snow falls for 5.9 days and regularly aggregates up to 1.61" (41mm) of snow. Throughout the year, there are 28.2 snowfall days, and 10.91" (277mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:29 am and sunset at 4:55 pm. On the last day of December, in Plattsmouth, sunrise is at 7:48 am and sunset at 5:05 pm CST.
Sunshine
The average sunshine in December is 5h.UV index
January, February, October through 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 rays for the ordinary person.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Plattsmouth, NE
- Average high temperature in December: 35.1°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in December: 22.6°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 (17.2°F).
Average pressure in December
Plattsmouth, 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
Plattsmouth, NE
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in December
Plattsmouth, NE
- Average humidity in December: 77%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is October (66%).
Average rainfall in December
Plattsmouth, NE
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is June (4.33").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days in December
Plattsmouth, NE
- Average rainfall days in December: 5.1 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is February (3.2 days).
Average snowfall in December
Plattsmouth, NE
- Average snowfall in December: 1.61"
The month with the highest snowfall is January (3.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Plattsmouth, NE
- Average snowfall days in December: 5.9 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Plattsmouth, 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 0min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in December
Plattsmouth, NE
- Average sunshine days in December: 20.6 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in December
Plattsmouth, 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, October, November and December (UV index 2).
Average cloud cover in December
Plattsmouth, 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 27).
Average visibility in December
Plattsmouth, 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).
