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 shift from November to December involves a decrease in the average high-temperature, from a fresh 52.7°F (11.5°C) to an icy 39.9°F (4.4°C). Throughout December, Riverton records an average temperature of 24.8°F (-4°C) at night.Humidity
In December, the average relative humidity is 70%.Rainfall
In Riverton, in December, during 4.2 rainfall days, 1.06" (27mm) of precipitation is typically accumulated. In Riverton, Nebraska, during the entire year, the rain falls for 105.1 days and collects up to 19.02" (483mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 4.6 days. Throughout December, 1.93" (49mm) of snow is accumulated. Throughout the year, in Riverton, there are 21.3 snowfall days, and 9.33" (237mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of December in Riverton, Nebraska, sunrise is at 7:38 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:56 am and sunset at 5:19 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 5.9h of sunshine.UV index
The months with the lowest UV index in Riverton 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 hazard from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 2 during December translates into the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold in Riverton?
What is the average humidity in December in Riverton?
How much does it rain in Riverton in December?
How many days does it snow in December in Riverton?
What is the month with the shortest days in Riverton?
What is the average length of the day in December in Riverton?
When is the sunrise / sunset in December in Riverton?
What is the month with the least sunshine in Riverton?
How many hours of sunshine does Riverton have in December?
What is the month with the lowest UV index in Riverton?
What is the UV index intensity in December in Riverton?
Average temperature in December
Riverton, NE
- Average high temperature in December: 39.9°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in December: 24.8°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in December
Riverton, NE
- Average pressure in December: 30.14"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
Riverton, NE
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is April (11.8mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).
Average humidity in December
Riverton, NE
- Average humidity in December: 70%
The month with the highest relative humidity is January (71%).
The months with the lowest relative humidity are July and October (59%).
Average rainfall in December
Riverton, NE
- Average rainfall in December: 1.06"
The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days in December
Riverton, NE
- Average rainfall days in December: 4.2 days
The month with the highest number of rainy days is May (14 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in December
Riverton, NE
- Average snowfall in December: 1.93"
The month with the highest snowfall is January (2.44").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Riverton, NE
- Average snowfall days in December: 4.6 days
The month with the highest number of snowfall days is February (4.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Riverton, 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 24min).
- Average sunshine in December: 5h and 5min
The months with the most sunshine are June and July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in December
Riverton, NE
- Average sunshine days in December: 22.9 days
The month with the most sunshine days is January (24 days).
The month with the least sunshine days is August (14.6 days).
Average UV index in December
Riverton, NE
- Average UV index in December: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Riverton, NE
- Average cloud cover in December: 34
The month with the most cloud cover is February (Cloud cover 37).
The months with the least cloud cover are June and July (Cloud cover 21).
Average visibility in December
Riverton, 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).
Riverton, Nebraska, USA
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