December weather forecastNatrona, WY
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Natrona, Wyoming, with an average temperature ranging between max 28.6°F (-1.9°C) and min 15.1°F (-9.4°C).Temperature
December stands out as Natrona's coldest month, with temperatures ranging between an average high of 28.6°F (-1.9°C) and a low of 15.1°F (-9.4°C).Humidity
The average relative humidity in December is 76%.Rainfall
In Natrona, Wyoming, in December, it is raining for 3.3 days, with typically 0.63" (16mm) of accumulated precipitation. In Natrona, during the entire year, the rain falls for 81 days and collects up to 8.98" (228mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. In Natrona, in December, snow falls for 9.8 days, with typically accumulated 4.21" (107mm) of snow. In Natrona, during the entire year, snow falls for 62.6 days and aggregates up to 31.65" (804mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:19 am and sunset at 4:33 pm. On the last day of December, sunrise is at 7:38 am and sunset at 4:42 pm MST.
Sunshine
In Natrona, the average sunshine in December is 6.5h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents 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:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Natrona, WY
- Average high temperature in December: 28.6°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is December (28.6°F).
- Average low temperature in December: 15.1°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is December (15.1°F).
Average pressure in December
Natrona, WY
- Average pressure in December: 30.16"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
Natrona, WY
- Average wind speed in December: 11.6mph
The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is August (8.4mph).
Average humidity in December
Natrona, WY
- Average humidity in December: 76%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (36%).
Average rainfall in December
Natrona, WY
- Average rainfall in December: 0.63"
The wettest month (with the highest rainfall) is May (1.34").
The driest month (with the least rainfall) is August (0.35").
Average rainfall days in December
Natrona, WY
- Average rainfall days in December: 3.3 days
The month with the highest number of rainy days is May (10.9 days).
The month with the least rainy days is December (3.3 days).
Average snowfall in December
Natrona, WY
- Average snowfall in December: 4.21"
The month with the highest snowfall is March (5.55").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Natrona, WY
- Average snowfall days in December: 9.8 days
The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Natrona, WY
- Average daylight in December: 9h and 6min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 6h and 30min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).
Average sunshine days in December
Natrona, WY
- Average sunshine days in December: 19.9 days
The month with the most sunshine days is August (20.3 days).
The month with the least sunshine days is April (13.6 days).
Average UV index in December
Natrona, WY
- 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, March, October, November and December (UV index 2).
Average cloud cover in December
Natrona, WY
- Average cloud cover in December: 31
The month with the most cloud cover is February (Cloud cover 34).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in December
Natrona, WY
- 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).





