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 an average high-temperature of 33.8°F (1°C) and an average low-temperature of 19.2°F (-7.1°C), December is the coldest month.Humidity
In December, the average relative humidity is 69%.Rainfall
In Manville, in December, it is raining for 3.2 days, with typically 0.39" (10mm) of accumulated precipitation. In Manville, during the entire year, the rain falls for 84.9 days and collects up to 9.76" (248mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. In Manville, Wyoming, in December, snow falls for 7.2 days, with typically accumulated 1.73" (44mm) of snow. Throughout the year, there are 43 snowfall days, and 18.27" (464mm) of snow is accumulated.Daylight
The month with the shortest days in Manville is December, with an average of 9h and 6min of daylight.On the first day of December in Manville, Wyoming, sunrise is at 7:10 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:34 pm MST.
Sunshine
In Manville, Wyoming, the average sunshine in December is 6.5h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: A daily high UV index of 2 in December leads to these guidelines:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What time of the year is the coldest in Manville?
How cold is it in Manville in December?
What is the average humidity in December in Manville?
How much does it rain in Manville in December?
How much does it snow in Manville in December?
What is the month with the shortest days in Manville?
How many hours of daylight does Manville have in December?
What time are sunrise and sunset in December in Manville?
How long on average sun shines in December in Manville?
When is the lowest UV index in Manville?
What is the UV index intensity in December in Manville?
Average temperature in December
Manville, WY
- Average high temperature in December: 33.8°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is December (33.8°F).
- Average low temperature in December: 19.2°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is December (19.2°F).
Average pressure in December
Manville, WY
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Manville, WY
- Average wind speed in December: 11mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).
Average humidity in December
Manville, WY
- Average humidity in December: 69%
The month with the highest relative humidity is February (70%).
The month with the lowest relative humidity is August (40%).
Average rainfall in December
Manville, WY
- Average rainfall in December: 0.39"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is January (0.31").
Average rainfall days in December
Manville, WY
- Average rainfall days in December: 3.2 days
The month with the highest number of rainy days is May (12.4 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in December
Manville, WY
- Average snowfall in December: 1.73"
The month with the highest snowfall is November (2.8").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Manville, WY
- Average snowfall days in December: 7.2 days
The month with the highest number of snowfall days is February (8.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Manville, 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 months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).
Average sunshine days in December
Manville, WY
- Average sunshine days in December: 21.7 days
The month with the most sunshine days is December (21.7 days).
The month with the least sunshine days is April (14.5 days).
Average UV index in December
Manville, 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, November and December (UV index 2).
Average cloud cover in December
Manville, WY
- Average cloud cover in December: 31
The month with the most cloud cover is February (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in December
Manville, 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).
Manville, Wyoming, USA
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