December weather forecastFort Steele, WY
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Fort Steele, Wyoming, with temperature in the range of an average high of 26.4°F (-3.1°C) and an average low of 13.5°F (-10.3°C).Temperature
Fort Steele's coldest temperatures are experienced in December, with average high temperatures of 26.4°F (-3.1°C) and lows of 13.5°F (-10.3°C).Humidity
In December, the average relative humidity is 81%.Rainfall
In December, the rain falls for 4.6 days. Throughout December, 0.79" (20mm) of precipitation is accumulated. In Fort Steele, during the entire year, the rain falls for 81.7 days and collects up to 9.72" (247mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 13.6 days. Throughout December, 4.76" (121mm) of snow is accumulated. In Fort Steele, during the entire year, snow falls for 80.6 days and aggregates up to 33.39" (848mm) of snow.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 7:16 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 4:47 pm MST.
Sunshine
In December, the average sunshine is 5.9h.UV index
The months with the lowest UV index in Fort Steele 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 vulnerability from exposure to the Sun's UV rays for average individuals.Note: A maximum high UV index of 2 in December translates into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Fort Steele, 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
Fort Steele, 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
Fort Steele, 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
Fort Steele, 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
Fort Steele, 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
Fort Steele, 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
Fort Steele, 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
Fort Steele, 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
Fort Steele, 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
Fort Steele, 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
Fort Steele, 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
Fort Steele, 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
Fort Steele, 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).
