December weather forecastFort Lupton, CO
December
Weather in December
The first month of the winter, December, is also an icy month in Fort Lupton, Colorado, with an average temperature varying between 21.2°F (-6°C) and 40.1°F (4.5°C).Temperature
December stands out as Fort Lupton's coldest month, with temperatures ranging between an average high of 40.1°F (4.5°C) and a low of 21.2°F (-6°C).Humidity
The average relative humidity in December in Fort Lupton is 62%.Rainfall
In Fort Lupton, during December, the rain falls for 2.4 days and regularly aggregates up to 0.31" (8mm) of precipitation. Throughout the year, there are 96 rainfall days, and 11.1" (282mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Fort Lupton. In Fort Lupton, in December, snow falls for 4.8 days, with typically accumulated 1.93" (49mm) of snow. Throughout the year, there are 33 snowfall days, and 22.44" (570mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year in Fort Lupton.On the first day of December in Fort Lupton, sunrise is at 7:02 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:44 pm MST.
Sunshine
In Fort Lupton, the average sunshine in December is 6.8h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 2 in December leads to these guidelines:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Fort Lupton, 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
Fort Lupton, 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
Fort Lupton, 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
Fort Lupton, 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
Fort Lupton, 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
Fort Lupton, 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
Fort Lupton, 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
Fort Lupton, 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
Fort Lupton, CO
- Average daylight in December: 9h and 24min
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 48min
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
Fort Lupton, 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
Fort Lupton, 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
Fort Lupton, 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
Fort Lupton, 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).
