December weather forecastAurora, CO
December
Weather in December
December welcomes the winter season in Aurora, Colorado with temperatures dipping as low as 21.7°F (-5.7°C). Compared to November, December is significantly colder, marking the progression into the icy winter. Snowfall becomes a regular feature, ensuring a white Christmas for the residents. The month witnesses the shortest daylight hours of the year, ensuring long, cold nights. Despite the unfavorable conditions, the holiday spirit keeps the town buzzing, magnifying the beauty of the wintery landscapes.Temperature
Aurora's coldest month, December, registers temperatures that range from a high of 40.1°F (4.5°C) to a low of 21.7°F (-5.7°C).Humidity
In Aurora, the average relative humidity in December is 61%.Rainfall
The month with the least rainfall is December, when the rain falls for 4.4 days and typically collects 0.43" (11mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Aurora, Colorado, in December, during 7.8 snowfall days, 2.91" (74mm) of snow is typically accumulated. Throughout the year, in Aurora, there are 41.6 snowfall days, and 27.95" (710mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year in Aurora.On the first day of December, sunrise is at 7:01 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:45 pm MST.
Sunshine
In Aurora, the average sunshine in December is 6.9h.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 reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: In December, a regular UV index of 2 translates into these guidelines:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. It's recommended to limit sun exposure when its radiation is at its peak during midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Aurora, CO
- Average high temperature in December: 40.1°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 (40.1°F).
- Average low temperature in December: 21.7°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is December (21.7°F).
Average pressure in December
Aurora, CO
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are April and June (29.9"Hg).
Average wind speed in December
Aurora, CO
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is April (8mph).
The calmest months (with the lowest average wind speed) are September and December (6.5mph).
Average humidity in December
Aurora, CO
- Average humidity in December: 61%
The months with the highest relative humidity are January and February (64%).
The month with the lowest relative humidity is August (42%).
Average rainfall in December
Aurora, CO
- Average rainfall in December: 0.43"
The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is December (0.43").
Average rainfall days in December
Aurora, CO
- Average rainfall days in December: 4.4 days
The month with the highest number of rainy days is July (14.1 days).
The month with the least rainy days is February (3 days).
Average snowfall in December
Aurora, CO
- Average snowfall in December: 2.91"
The month with the highest snowfall is March (4.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Aurora, CO
- Average snowfall days in December: 7.8 days
The month with the highest number of snowfall days is February (8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Aurora, 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: 6h and 54min
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 42min).
Average sunshine days in December
Aurora, CO
- Average sunshine days in December: 21.8 days
The month with the most sunshine days is January (22.9 days).
The month with the least sunshine days is July (12.2 days).
Average UV index in December
Aurora, 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
Aurora, CO
- Average cloud cover in December: 23
The month with the most cloud cover is April (Cloud cover 27).
The month with the least cloud cover is September (Cloud cover 15).
Average visibility in December
Aurora, 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).
