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 average high and low temperatures of 28.6°F (-1.9°C) and 15.1°F (-9.4°C) respectively, December is Waltman's coldest month.Humidity
In December, the average relative humidity in Waltman is 76%.Rainfall
In Waltman, Wyoming, during December, the rain falls for 3.3 days and regularly aggregates up to 0.63" (16mm) of precipitation. Throughout the year, there are 81 rainfall days, and 8.98" (228mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. In December, it is snowing for 9.8 days. Throughout December, 4.21" (107mm) of snow is accumulated. Throughout the year, there are 62.6 snowfall days, and 31.65" (804mm) of snow is accumulated.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year in Waltman, Wyoming.On the first day of the month, sunrise is at 7:21 am and sunset at 4:34 pm. On the last day of December, sunrise is at 7:40 am and sunset at 4:44 pm MST.
Sunshine
In December, the average sunshine is 6.5h.UV index
The months with the lowest UV index in Waltman 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 exposure to the Sun's UV radiation for the average person.Note: The UV index of 2 during December leads to these advisories:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
What is the coldest month in Waltman?
How cold is December in Waltman?
What is the average humidity in December in Waltman?
How many days does it rain in December in Waltman?
How much does it snow in Waltman in December?
What is the month with the shortest days in Waltman?
What is the average length of the day in December in Waltman?
What time are sunrise and sunset in December in Waltman?
How many hours of sunshine does Waltman have in December?
When is the lowest UV index in Waltman?
What is the UV index reading in December in Waltman?
Average temperature in December
Waltman, 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
Waltman, 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
Waltman, 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
Waltman, 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
Waltman, 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
Waltman, 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
Waltman, 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
Waltman, 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
Waltman, WY
- Average daylight in December: 9h and 1min
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 3min
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
Waltman, 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
Waltman, 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
Waltman, 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
Waltman, 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).
Waltman, Wyoming, USA
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