December weather forecastParker, CO

December
Weather in December
December, the final month of the year, presents Parker in the heart of winter. Daily temperatures continue to drop, while the frequency of snowfall increases, with average snowfall recorded at 3.39" (86mm). Comparatively shorter days and colder nights encapsulate the quintessential winter experience. The holiday season's festive spirit, combined with the powdery white landscape, adds to the charm of Parker during December. It is essential to gear up in warm attire during this month.Temperature
With its high average temperature of 40.3°F (4.6°C) and a low of 20.7°F (-6.3°C), December is regarded as the coldest month in Parker, Colorado.Humidity
The average relative humidity in December is 61%.Rainfall
In Parker, during December, the rain falls for 4.4 days and regularly aggregates up to 0.51" (13mm) of precipitation. In Parker, during the entire year, the rain falls for 94.2 days and collects up to 11.97" (304mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 7.6 days. Throughout December, 3.39" (86mm) of snow is accumulated. In Parker, during the entire year, snow falls for 46.5 days and aggregates up to 37.2" (945mm) of snow.Daylight
December has the shortest days of the year in Parker, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:01 am and sunset at 4:35 pm. On the last day of December, sunrise is at 7:19 am and sunset at 4:45 pm MST.
Sunshine
In Parker, the average sunshine in December is 7h.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 reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Parker, CO
- Average high temperature in December: 40.3°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is December (40.3°F).
- Average low temperature in December: 20.7°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is December (20.7°F).
Average pressure in December
Parker, 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 (29.91"Hg).
Average wind speed in December
Parker, CO
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest months (with the lowest average wind speed) are August and December (6.5mph).
Average humidity in December
Parker, CO
- Average humidity in December: 61%
The month with the highest relative humidity is February (65%).
The months with the lowest relative humidity are June, August and September (43%).
Average rainfall in December
Parker, CO
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is September (0.47").
Average rainfall days in December
Parker, CO
- Average rainfall days in December: 4.4 days
The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is November (3.4 days).
Average snowfall in December
Parker, CO
- Average snowfall in December: 3.39"
The month with the highest snowfall is April (6.34").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Parker, CO
- Average snowfall days in December: 7.6 days
The month with the highest number of snowfall days is February (9.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Parker, 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
Parker, CO
- Average sunshine days in December: 21.5 days
The month with the most sunshine days is November (23.2 days).
The month with the least sunshine days is April (12.7 days).
Average UV index in December
Parker, 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
Parker, CO
- Average cloud cover in December: 22
The month with the most cloud cover is April (Cloud cover 26).
The months with the least cloud cover are June and September (Cloud cover 15).
Average visibility in December
Parker, 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).





