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 December, the average high-temperature decreases from an icy 41.4°F (5.2°C) in November to a subzero cold 28.9°F (-1.7°C). In the month of December, Lay records a consistent average low-temperature of 12.7°F (-10.7°C).Humidity
In Lay, the average relative humidity in December is 80%.Rainfall
In December, the rain falls for 3.5 days. Throughout December, 0.91" (23mm) of precipitation is accumulated. Throughout the year, there are 76.8 rainfall days, and 9.88" (251mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. The month with the most snowfall is December, when snow falls for 11.9 days and typically aggregates up to 7.28" (185mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:16 am and sunset at 4:45 pm. On the last day of December, sunrise is at 7:34 am and sunset at 4:54 pm MST.
Sunshine
In December, the average sunshine is 6h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December in Lay?
How much does it rain in December?
What is the snowiest month?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Lay have in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Lay, CO
- Average high temperature in December: 28.9°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in December: 12.7°F
The month with the highest average low temperature is July (51.8°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).
Average pressure in December
Lay, CO
- Average pressure in December: 30.22"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The months with the lowest atmospheric pressure are May and June (29.92"Hg).
Average wind speed in December
Lay, CO
- Average wind speed in December: 5.5mph
The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is January (5.2mph).
Average humidity in December
Lay, CO
- Average humidity in December: 80%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (41%).
Average rainfall in December
Lay, CO
- Average rainfall in December: 0.91"
The wettest month (with the highest rainfall) is April (1.38").
The driest months (with the least rainfall) are August and September (0.39").
Average rainfall days in December
Lay, CO
- Average rainfall days in December: 3.5 days
The month with the highest number of rainy days is April (10.8 days).
The month with the least rainy days is January (3.1 days).
Average snowfall in December
Lay, CO
- Average snowfall in December: 7.28"
The month with the highest snowfall is December (7.28").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Lay, CO
- Average snowfall days in December: 11.9 days
The month with the highest number of snowfall days is February (13.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Lay, CO
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 6h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in December
Lay, CO
- Average sunshine days in December: 18.3 days
The month with the most sunshine days is June (22.8 days).
The month with the least sunshine days is February (13.3 days).
Average UV index in December
Lay, CO
- 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, October, November and December (UV index 2).
Average cloud cover in December
Lay, CO
- Average cloud cover in December: 38
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is September (Cloud cover 12).
Average visibility in December
Lay, CO
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Lay, Colorado, USA
Weather forecast for your location
2. Allow the app to use your location