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
In Cowley, December is the coldest month, with temperatures averaging a high of 27.5°F (-2.5°C) and a low of 14.5°F (-9.7°C).Humidity
In December, the average relative humidity is 77%.Rainfall
December is the month with the least rainfall. Rain falls for 8.6 days and accumulates 0.51" (13mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Cowley, during December, snow falls for 12.1 days and regularly aggregates up to 3.31" (84mm) of snow. Throughout the year, there are 64 snowfall days, and 19.92" (506mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 54min of daylight.On the first day of December in Cowley, sunrise is at 7:32 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 4:42 pm MST.
Sunshine
January, February and December, with an average of 6.4h of sunshine, are months with the least sunshine in Cowley.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: In December, a daily UV index of 2 turns into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the coldest time of year in Cowley?
How cold is December in Cowley?
What is the average humidity in December in Cowley?
What is the driest month in Cowley?
How much does it rain in Cowley in December?
How much does it snow in Cowley in December?
What is the month with the shortest days in Cowley?
What is the average length of the day in December in Cowley?
When are sunrise and sunset in December in Cowley?
What are the months with the least sunshine in Cowley?
How long on average sun shines in December in Cowley?
When is the lowest UV index in Cowley?
What is the UV index intensity in December in Cowley?
Average temperature in December
Cowley, WY
- Average high temperature in December: 27.5°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is December (27.5°F).
- Average low temperature in December: 14.5°F
The month with the highest average low temperature is July (61°F).
The coldest months (with the lowest average low temperature) are January and February (14.4°F).
Average pressure in December
Cowley, WY
- Average pressure in December: 30.15"Hg
The months with the highest atmospheric pressure are January and December (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Cowley, WY
- Average wind speed in December: 7.2mph
The windiest month (with the highest average wind speed) is April (8.7mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
Cowley, WY
- Average humidity in December: 77%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (37%).
Average rainfall in December
Cowley, WY
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is May (1.57").
The driest month (with the least rainfall) is December (0.51").
Average rainfall days in December
Cowley, WY
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is November (8.3 days).
Average snowfall in December
Cowley, WY
- Average snowfall in December: 3.31"
The month with the highest snowfall is February (4.88").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Cowley, WY
- Average snowfall days in December: 12.1 days
The month with the highest number of snowfall days is January (14.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Cowley, WY
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 6h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 24min).
Average sunshine days in December
Cowley, WY
- Average sunshine days in December: 17.2 days
The month with the most sunshine days is December (17.2 days).
The month with the least sunshine days is May (10.2 days).
Average UV index in December
Cowley, WY
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Cowley, WY
- Average cloud cover in December: 32
The month with the most cloud cover is February (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 12).
Average visibility in December
Cowley, 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).
Cowley, Wyoming, USA
Weather forecast for your location
2. Allow the app to use your location
