December weather forecastPoint of Rocks, WY
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Point of Rocks, Wyoming, with temperature in the range of an average high of 25.7°F (-3.5°C) and an average low of 11.5°F (-11.4°C).Temperature
Point of Rocks's coldest weather arrives in December, when temperatures average a high of 25.7°F (-3.5°C) and a low of 11.5°F (-11.4°C).Humidity
The average relative humidity in December is 82%.Rainfall
In Point of Rocks, in December, it is raining for 4.7 days, with typically 0.71" (18mm) of accumulated precipitation. In Point of Rocks, during the entire year, the rain falls for 93.5 days and collects up to 10.31" (262mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. In Point of Rocks, during December, snow falls for 13.5 days and regularly aggregates up to 4.37" (111mm) of snow. In Point of Rocks, Wyoming, during the entire year, snow falls for 75.5 days and aggregates up to 30.16" (766mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:23 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 4:54 pm MST.
Sunshine
January and December, with an average of 5.9h of sunshine, are months with the least sunshine in Point of Rocks.UV index
January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Point of Rocks, WY
- Average high temperature in December: 25.7°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is December (25.7°F).
- Average low temperature in December: 11.5°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in December
Point of Rocks, WY
- Average pressure in December: 30.24"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Point of Rocks, WY
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).
Average humidity in December
Point of Rocks, WY
- Average humidity in December: 82%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are July and August (31%).
Average rainfall in December
Point of Rocks, WY
- Average rainfall in December: 0.71"
The wettest month (with the highest rainfall) is May (1.5").
The driest month (with the least rainfall) is July (0.47").
Average rainfall days in December
Point of Rocks, WY
- Average rainfall days in December: 4.7 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is December (4.7 days).
Average snowfall in December
Point of Rocks, WY
- Average snowfall in December: 4.37"
The month with the highest snowfall is March (6.14").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Point of Rocks, WY
- Average snowfall days in December: 13.5 days
The month with the highest number of snowfall days is December (13.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Point of Rocks, WY
- Average daylight in December: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 5h and 54min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 54min).
Average sunshine days in December
Point of Rocks, WY
- Average sunshine days in December: 16.4 days
The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is April (11.5 days).
Average UV index in December
Point of Rocks, WY
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in December
Point of Rocks, WY
- Average cloud cover in December: 41
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in December
Point of Rocks, WY
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).





