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
December
Weather in December
Temperature
During the coldest month in Sidney, December, temperatures average a high of 37.4°F (3°C) and a low of 22.3°F (-5.4°C).Humidity
In December, the average relative humidity is 66%.Rainfall
In Sidney, in December, it is raining for 3.5 days, with typically 0.47" (12mm) of accumulated precipitation. In Sidney, during the entire year, the rain falls for 105.9 days and collects up to 15.94" (405mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 6.6 days. Throughout December, 1.81" (46mm) of snow is accumulated. Throughout the year, there are 39.5 snowfall days, and 15.51" (394mm) 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 6:58 am and sunset at 4:23 pm. On the last day of December, in Sidney, sunrise is at 7:17 am and sunset at 4:33 pm MST.
Sunshine
In December, the average sunshine in Sidney is 6.3h.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 estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 suggests these recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is it in December?
What is the average humidity in December in Sidney?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Sidney have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Sidney, NE
- Average high temperature in December: 37.4°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is December (37.4°F).
- Average low temperature in December: 22.3°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is December (22.3°F).
Average pressure in December
Sidney, NE
- Average pressure in December: 30.11"Hg
The months with the highest atmospheric pressure are January and December (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in December
Sidney, NE
- Average wind speed in December: 11.4mph
The windiest month (with the highest average wind speed) is April (12.6mph).
The calmest month (with the lowest average wind speed) is August (9.6mph).
Average humidity in December
Sidney, NE
- Average humidity in December: 66%
The month with the highest relative humidity is February (67%).
The month with the lowest relative humidity is September (48%).
Average rainfall in December
Sidney, NE
- Average rainfall in December: 0.47"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in December
Sidney, NE
- Average rainfall days in December: 3.5 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is December (3.5 days).
Average snowfall in December
Sidney, NE
- Average snowfall in December: 1.81"
The month with the highest snowfall is February (3.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Sidney, NE
- Average snowfall days in December: 6.6 days
The month with the highest number of snowfall days is February (9.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Sidney, NE
- Average daylight in December: 9h and 2min
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: 6h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 36min).
The month with the least sunshine is February (Average sunshine: 6h and 6min).
Average sunshine days in December
Sidney, NE
- Average sunshine days in December: 21.9 days
The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is May (12.4 days).
Average UV index in December
Sidney, NE
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Sidney, NE
- Average cloud cover in December: 31
The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in December
Sidney, 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).