Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The transition from November to December brings a clear temperature drop, with average high-temperatures decreasing from a chilly 48.4°F (9.1°C) to a wintry 33.6°F (0.9°C). December brings with it a nighttime average temperature of 21.6°F (-5.8°C).Humidity
In December, the average relative humidity is 78%.Rainfall
In December, the rain falls for 4.6 days. Throughout December, 1.22" (31mm) of precipitation is accumulated. Throughout the year, there are 115.5 rainfall days, and 19.61" (498mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Fort Calhoun, during December, snow falls for 6.8 days and regularly aggregates up to 2.09" (53mm) of snow. Throughout the year, in Fort Calhoun, there are 33.4 snowfall days, and 9.33" (237mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:31 am and sunset at 4:55 pm. On the last day of December, sunrise is at 7:50 am and sunset at 5:04 pm CST.
Sunshine
The average sunshine in December in Fort Calhoun is 5h.UV index
In Fort Calhoun, Nebraska, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 2 during December leads to these instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Fort Calhoun have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Fort Calhoun have in December?
How high is the UV index in December?
Average temperature in December
Fort Calhoun, 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
Fort Calhoun, 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
Fort Calhoun, 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
Fort Calhoun, 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
Fort Calhoun, 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
Fort Calhoun, 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
Fort Calhoun, 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
Fort Calhoun, 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
Fort Calhoun, NE
- Average daylight in December: 9h and 1min
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
Fort Calhoun, 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
Fort Calhoun, 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
Fort Calhoun, 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
Fort Calhoun, 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).
Fort Calhoun, Nebraska, USA
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