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
A shift in the average high-temperature occurs in December, reducing from a frosty 49.6°F (9.8°C) in November to a wintry 36°F (2.2°C). McCool Junction records a steady low-temperature average of 22.3°F (-5.4°C) during December.Humidity
In December, the average relative humidity is 75%.Rainfall
In McCool Junction, in December, during 5 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. In McCool Junction, during the entire year, the rain falls for 117.1 days and collects up to 20.63" (524mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 6.5 days. Throughout December, 2.91" (74mm) of snow is accumulated. In McCool Junction, during the entire year, snow falls for 33.7 days and aggregates up to 14.25" (362mm) of snow.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 7:35 am and sunset at 5:03 pm. On the last day of December, sunrise is at 7:54 am and sunset at 5:13 pm CST.
Sunshine
In December, the average sunshine is 5.4h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
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 many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does McCool Junction have in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
McCool Junction, NE
- Average high temperature in December: 36°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 (32°F).
- Average low temperature in December: 22.3°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in December
McCool Junction, NE
- Average pressure in December: 30.13"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
McCool Junction, NE
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in December
McCool Junction, 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 (62%).
Average rainfall in December
McCool Junction, NE
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is May (3.62").
The driest months (with the least rainfall) are January and November (0.75").
Average rainfall days in December
McCool Junction, NE
- Average rainfall days in December: 5 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in December
McCool Junction, NE
- Average snowfall in December: 2.91"
The month with the highest snowfall is January (3.27").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
McCool Junction, NE
- Average snowfall days in December: 6.5 days
The month with the highest number of snowfall days is January (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
McCool Junction, NE
- Average daylight in December: 9h and 2min
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 18min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in December
McCool Junction, NE
- Average sunshine days in December: 20.9 days
The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is May (11.4 days).
Average UV index in December
McCool Junction, 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
McCool Junction, NE
- Average cloud cover in December: 40
The months with the most cloud cover are January, February and March (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in December
McCool Junction, 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).
McCool Junction, Nebraska, USA
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