December weather forecastWalcott, WY
December
Weather in December
December, the first month of the winter in Walcott, is also a subzero cold month, with temperature in the range of an average low of 13.5°F (-10.3°C) and an average high of 26.4°F (-3.1°C).Temperature
December stands out as Walcott's coldest month, with temperatures ranging between an average high of 26.4°F (-3.1°C) and a low of 13.5°F (-10.3°C).Humidity
The average relative humidity in December is 81%.Rainfall
In Walcott, in December, it is raining for 4.6 days, with typically 0.79" (20mm) of accumulated precipitation. Throughout the year, there are 81.7 rainfall days, and 9.72" (247mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Walcott, in December, during 13.6 snowfall days, 4.76" (121mm) of snow is typically accumulated. Throughout the year, there are 80.6 snowfall days, and 33.39" (848mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:15 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 4:46 pm MST.
Sunshine
In December, the average sunshine is 5.9h.UV index
The months with the lowest UV index in Walcott are January through April, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: An average UV index of 2 in December transforms into this advice:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Walcott, WY
- Average high temperature in December: 26.4°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is December (26.4°F).
- Average low temperature in December: 13.5°F
The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).
Average pressure in December
Walcott, WY
- Average pressure in December: 30.2"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Walcott, WY
- Average wind speed in December: 12.6mph
The windiest month (with the highest average wind speed) is November (13.2mph).
The calmest months (with the lowest average wind speed) are July and August (9.5mph).
Average humidity in December
Walcott, WY
- Average humidity in December: 81%
The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are July and August (35%).
Average rainfall in December
Walcott, WY
- Average rainfall in December: 0.79"
The wettest month (with the highest rainfall) is April (1.42").
The driest month (with the least rainfall) is August (0.35").
Average rainfall days in December
Walcott, WY
- Average rainfall days in December: 4.6 days
The month with the highest number of rainy days is May (11.7 days).
The month with the least rainy days is November (3.2 days).
Average snowfall in December
Walcott, WY
- Average snowfall in December: 4.76"
The month with the highest snowfall is April (5.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Walcott, WY
- Average snowfall days in December: 13.6 days
The month with the highest number of snowfall days is February (14.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Walcott, 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 month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).
Average sunshine days in December
Walcott, WY
- Average sunshine days in December: 15.3 days
The month with the most sunshine days is June (21.1 days).
The month with the least sunshine days is February (11.2 days).
Average UV index in December
Walcott, 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
Walcott, WY
- Average cloud cover in December: 42
The month with the most cloud cover is February (Cloud cover 45).
The months with the least cloud cover are August and September (Cloud cover 13).
Average visibility in December
Walcott, 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).





