December weather forecastBairoil, WY
December
Weather in December
December, the first month of the winter in Bairoil, is also a subzero cold month, with an average temperature varying between 27.1°F (-2.7°C) and 13.3°F (-10.4°C).Temperature
December tends to be the coldest month, with temperatures averaging a daily high of 27.1°F (-2.7°C) and a low of 13.3°F (-10.4°C).Humidity
In December, the average relative humidity in Bairoil, Wyoming, is 80%.Rainfall
In Bairoil, Wyoming, in December, during 5.7 rainfall days, 0.43" (11mm) of precipitation is typically accumulated. Throughout the year, in Bairoil, there are 74.8 rainfall days, and 5.71" (145mm) of precipitation is accumulated.Snowfall
Months with snowfall in Bairoil, Wyoming, are January through May, October through December. The months with the most snowfall in Bairoil are March and December, with an average 3.15" (80mm) of accumulated snow.Daylight
The month with the shortest days in Bairoil, Wyoming, is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:20 am and sunset at 4:38 pm. On the last day of December, sunrise is at 7:38 am and sunset at 4:48 pm MST.
Sunshine
The average sunshine in December in Bairoil is 6.3h.UV index
The months with the lowest UV index in Bairoil 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 low threat to health from exposure to the Sun's UV rays for average individuals.Note: In December, a regular UV index of 2 translates into these guidelines:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Observe! Snow reflection can nearly intensify 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
Bairoil, WY
- Average high temperature in December: 27.1°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (27.1°F).
- Average low temperature in December: 13.3°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure in December
Bairoil, WY
- Average pressure in December: 30.18"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Bairoil, WY
- Average wind speed in December: 10.5mph
The windiest months (with the highest average wind speed) are April and November (10.9mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in December
Bairoil, WY
- Average humidity in December: 80%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (34%).
Average rainfall in December
Bairoil, WY
- Average rainfall in December: 0.43"
The wettest month (with the highest rainfall) is April (0.79").
The driest months (with the least rainfall) are July and August (0.24").
Average rainfall days in December
Bairoil, WY
- Average rainfall days in December: 5.7 days
The month with the highest number of rainy days is April (10.3 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in December
Bairoil, WY
- Average snowfall in December: 3.15"
The months with the highest snowfall are March and December (3.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Bairoil, WY
- Average snowfall days in December: 10.5 days
The month with the highest number of snowfall days is December (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bairoil, 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: 6h and 18min
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
Bairoil, WY
- Average sunshine days in December: 19.8 days
The month with the most sunshine days is September (22.1 days).
The month with the least sunshine days is April (14.5 days).
Average UV index in December
Bairoil, 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
Bairoil, WY
- Average cloud cover in December: 36
The month with the most cloud cover is February (Cloud cover 37).
The months with the least cloud cover are August and September (Cloud cover 13).
Average visibility in December
Bairoil, 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).
