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
December, on average, is the coldest month, registering a high temperature of 40.1°F (4.5°C) and a low of 21.2°F (-6°C).Humidity
The average relative humidity in December is 62%.Rainfall
In Keenesburg, in December, it is raining for 2.4 days, with typically 0.31" (8mm) of accumulated precipitation. Throughout the year, there are 96 rainfall days, and 11.1" (282mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Keenesburg, during December, snow falls for 4.8 days and regularly aggregates up to 1.93" (49mm) of snow. In Keenesburg, during the entire year, snow falls for 33 days and aggregates up to 22.44" (570mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:01 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:42 pm MST.
Sunshine
The average sunshine in December is 6.8h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: A maximum UV index of 2 in December translates 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. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Keenesburg?
How cold does it get in December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Keenesburg have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Keenesburg have in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Keenesburg, CO
- Average high temperature in December: 40.1°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is December (40.1°F).
- Average low temperature in December: 21.2°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is December (21.2°F).
Average pressure in December
Keenesburg, CO
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Keenesburg, CO
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is December (5.7mph).
Average humidity in December
Keenesburg, CO
- Average humidity in December: 62%
The months with the highest relative humidity are January and February (64%).
The month with the lowest relative humidity is August (41%).
Average rainfall in December
Keenesburg, CO
- Average rainfall in December: 0.31"
The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days in December
Keenesburg, CO
- Average rainfall days in December: 2.4 days
The month with the highest number of rainy days is May (14.6 days).
The months with the least rainy days are January, February and December (2.4 days).
Average snowfall in December
Keenesburg, CO
- Average snowfall in December: 1.93"
The month with the highest snowfall is April (3.78").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Keenesburg, CO
- Average snowfall days in December: 4.8 days
The month with the highest number of snowfall days is February (6.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Keenesburg, 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 24min).
- Average sunshine in December: 6h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).
Average sunshine days in December
Keenesburg, CO
- Average sunshine days in December: 25.3 days
The month with the most sunshine days is December (25.3 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in December
Keenesburg, CO
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Keenesburg, CO
- Average cloud cover in December: 25
The month with the most cloud cover is April (Cloud cover 27).
The months with the least cloud cover are June and September (Cloud cover 16).
Average visibility in December
Keenesburg, CO
- 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).
Keenesburg, Colorado, USA
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