December weather forecastGlendale, CO
December
Weather in December
The first month of the winter, December, is also an icy month in Glendale, Colorado, with an average temperature fluctuating between 41.7°F (5.4°C) and 21.4°F (-5.9°C).Temperature
December is the coldest month, with the temperature often reaching an average high of 41.7°F (5.4°C) and an average low of 21.4°F (-5.9°C).Humidity
The average relative humidity in December is 60%.Rainfall
In Glendale, in December, it is raining for 2 days, with typically 0.28" (7mm) of accumulated precipitation. Throughout the year, there are 80.2 rainfall days, and 9.72" (247mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, in Glendale, Colorado, it is snowing for 4.7 days. Throughout December, 2.24" (57mm) of snow is accumulated. Throughout the year, there are 33 snowfall days, and 26.26" (667mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:02 am and sunset at 4:35 pm. On the last day of December, sunrise is at 7:20 am and sunset at 4:45 pm MST.
Sunshine
In December, the average sunshine is 7h.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 of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 2 during December translates into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Glendale, CO
- Average high temperature in December: 41.7°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is December (41.7°F).
- Average low temperature in December: 21.4°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is December (21.4°F).
Average pressure in December
Glendale, CO
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are April and June (29.91"Hg).
Average wind speed in December
Glendale, CO
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is December (6mph).
Average humidity in December
Glendale, CO
- Average humidity in December: 60%
The month with the highest relative humidity is February (64%).
The months with the lowest relative humidity are June and August (41%).
Average rainfall in December
Glendale, CO
- Average rainfall in December: 0.28"
The wettest month (with the highest rainfall) is May (1.89").
The driest month (with the least rainfall) is January (0.24").
Average rainfall days in December
Glendale, CO
- Average rainfall days in December: 2 days
The month with the highest number of rainy days is May (14 days).
The month with the least rainy days is January (1.5 days).
Average snowfall in December
Glendale, CO
- Average snowfall in December: 2.24"
The month with the highest snowfall is April (4.96").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Glendale, CO
- Average snowfall days in December: 4.7 days
The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Glendale, CO
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 7h and 0min
The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 48min).
Average sunshine days in December
Glendale, CO
- Average sunshine days in December: 25.4 days
The month with the most sunshine days is January (25.6 days).
The month with the least sunshine days is May (14 days).
Average UV index in December
Glendale, 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
Glendale, CO
- Average cloud cover in December: 21
The month with the most cloud cover is April (Cloud cover 25).
The month with the least cloud cover is September (Cloud cover 14).
Average visibility in December
Glendale, 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).
