December weather forecastPierce, CO
December
Weather in December
The first month of the winter, December, is still a cold month in Pierce, Colorado, with temperature in the range of an average high of 38.3°F (3.5°C) and an average low of 20.3°F (-6.5°C).Temperature
Pierce reaches its lowest average temperatures in December, measuring 38.3°F (3.5°C) at the peak and 20.3°F (-6.5°C) at the lowest.Humidity
The most humid month is December, with an average relative humidity of 64%.Rainfall
January and December are months with the least rain in Pierce, Colorado, when the rain falls for 3.8 days and typically aggregates up to 0.31" (8mm) of rain.Snowfall
January through May, October through December are months with snowfall in Pierce. In December, in Pierce, it is snowing for 6.6 days. Throughout December, 1.93" (49mm) of snow is accumulated. Throughout the year, there are 39.6 snowfall days, and 21.26" (540mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:04 am and sunset at 4:32 pm. On the last day of December, sunrise is at 7:22 am and sunset at 4:42 pm MST.
Sunshine
In December, the average sunshine is 6.7h.UV index
The months with the lowest UV index in Pierce are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In December, the UV index of 2 transforms into the following advice:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Pierce, CO
- Average high temperature in December: 38.3°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is December (38.3°F).
- Average low temperature in December: 20.3°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).
Average pressure in December
Pierce, CO
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Pierce, CO
- Average wind speed in December: 6.4mph
The windiest month (with the highest average wind speed) is April (8.7mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in December
Pierce, CO
- Average humidity in December: 64%
The month with the highest relative humidity is December (64%).
The months with the lowest relative humidity are August and September (44%).
Average rainfall in December
Pierce, CO
- Average rainfall in December: 0.31"
The wettest month (with the highest rainfall) is May (2.68").
The driest months (with the least rainfall) are January and December (0.31").
Average rainfall days in December
Pierce, CO
- Average rainfall days in December: 3.8 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (2.9 days).
Average snowfall in December
Pierce, CO
- Average snowfall in December: 1.93"
The month with the highest snowfall is April (3.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Pierce, CO
- Average snowfall days in December: 6.6 days
The month with the highest number of snowfall days is February (9.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Pierce, CO
- Average daylight in December: 9h and 18min
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 18min).
- Average sunshine in December: 6h and 42min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).
Average sunshine days in December
Pierce, CO
- Average sunshine days in December: 23.3 days
The month with the most sunshine days is January (23.4 days).
The month with the least sunshine days is May (10.9 days).
Average UV index in December
Pierce, 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
Pierce, CO
- Average cloud cover in December: 27
The months with the most cloud cover are February and April (Cloud cover 29).
The month with the least cloud cover is June (Cloud cover 17).
Average visibility in December
Pierce, 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).








