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
With the onset of December, Riverton experiences a modest temperature adjustment, with the average high-temperature receding from a moderate 56.3°F (13.5°C) in November to a chilly 46.4°F (8°C). December brings with it a nighttime average temperature of 31.5°F (-0.3°C) in Riverton.Humidity
In December, the average relative humidity is 73%.Rainfall
In Riverton, Kansas, in December, it is raining for 7 days, with typically 1.5" (38mm) of accumulated precipitation. Throughout the year, in Riverton, Kansas, there are 139.2 rainfall days, and 30" (762mm) of precipitation is accumulated.Snowfall
January through March, May, November and December are months with snowfall. In Riverton, in December, during 1.6 snowfall days, 0.47" (12mm) of snow is typically accumulated. Throughout the year, there are 9.5 snowfall days, and 4.17" (106mm) of snow is accumulated.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year in Riverton.On the first day of December, sunrise is at 7:14 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:12 pm CST.
Sunshine
In December, the average sunshine is 5.6h.UV index
The months with the lowest UV index in Riverton, Kansas, are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum UV index of 2 in December translates into the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December 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?
How many hours of daylight does Riverton have in December?
When is the sunrise / sunset in December in Riverton?
How long on average sun shines in December in Riverton?
What are the months with the lowest UV index in Riverton?
What is the UV index reading in December in Riverton?
Average temperature in December
Riverton, KS
- Average high temperature in December: 46.4°F
The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (43.2°F).
- Average low temperature in December: 31.5°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).
Average pressure in December
Riverton, KS
- 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 (29.91"Hg).
Average wind speed in December
Riverton, KS
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in December
Riverton, KS
- Average humidity in December: 73%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Riverton, KS
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is May (5.04").
The driest month (with the least rainfall) is November (1.42").
Average rainfall days in December
Riverton, KS
- Average rainfall days in December: 7 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in December
Riverton, KS
- Average snowfall in December: 0.47"
The month with the highest snowfall is February (2.09").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in December
Riverton, KS
- Average snowfall days in December: 1.6 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Riverton, KS
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 5h and 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in December
Riverton, KS
- Average sunshine days in December: 21.5 days
The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is May (13.3 days).
Average UV index in December
Riverton, KS
- 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 and December (UV index 2).
Average cloud cover in December
Riverton, KS
- Average cloud cover in December: 39
The months with the most cloud cover are February and March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
Riverton, KS
- 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, Kansas, USA
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