December weather forecastSilverton, CO
December
Weather in December
Timely snowflakes in December usher in a magical end to the year in Silverton. This month, colder than November, witnesses the highest snowfall of the year with 18.15" (461mm) on average. Despite January proving colder and harsher, December sets the stage for intense winter experiences. This month's enchanting winter environment turns Silverton into a perfect Christmas and New Year holiday destination. The magical white scenery, twinkling holiday lights, and festive cheer give a unique allure to the town during December.Temperature
Silverton reaches its lowest average temperatures in December, measuring 25.7°F (-3.5°C) at the peak and 5.9°F (-14.5°C) at the lowest.Humidity
In December, the average relative humidity is 82%.Rainfall
In December, the rain falls for 6.5 days. Throughout December, 2.28" (58mm) of precipitation is accumulated. Throughout the year, there are 107.5 rainfall days, and 26.34" (669mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through December. In Silverton, during December, snow falls for 16.5 days and regularly aggregates up to 18.15" (461mm) of snow. Throughout the year, there are 117.7 snowfall days, and 123.82" (3145mm) of snow is accumulated.Daylight
December has the shortest days of the year in Silverton, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:08 am and sunset at 4:51 pm. On the last day of December, sunrise is at 7:26 am and sunset at 5:02 pm MST.
Sunshine
With an average of 5.8h of sunshine, December has the least sunshine of the year.UV index
December is the month with the lowest UV index in Silverton, Colorado, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: An average maximum UV index of 1 in December leads to these recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Silverton, CO
- Average high temperature in December: 25.7°F
The warmest month (with the highest average high temperature) is July (66.7°F).
The month with the lowest average high temperature is December (25.7°F).
- Average low temperature in December: 5.9°F
The month with the highest average low temperature is July (43.3°F).
The coldest month (with the lowest average low temperature) is January (4.3°F).
Average pressure in December
Silverton, CO
- Average pressure in December: 30.16"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The months with the lowest atmospheric pressure are April and May (29.92"Hg).
Average wind speed in December
Silverton, CO
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in December
Silverton, CO
- Average humidity in December: 82%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is June (45%).
Average rainfall in December
Silverton, CO
- Average rainfall in December: 2.28"
The wettest month (with the highest rainfall) is July (4.02").
The driest month (with the least rainfall) is June (1.3").
Average rainfall days in December
Silverton, CO
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is July (21.4 days).
The month with the least rainy days is November (3.1 days).
Average snowfall in December
Silverton, CO
- Average snowfall in December: 18.15"
The month with the highest snowfall is March (19.88").
The month with the least snowfall is July (0.12").
Average snowfall days in December
Silverton, CO
- Average snowfall days in December: 16.5 days
The month with the highest number of snowfall days is February (17.3 days).
The month with the least snowfall days is July (0.3 days).
Average daylight in December /
Average sunshine in December
Silverton, CO
- Average daylight in December: 9h and 36min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 5h and 48min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in December
Silverton, CO
- Average sunshine days in December: 13.7 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is July (8.1 days).
Average UV index in December
Silverton, CO
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 4).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Silverton, CO
- Average cloud cover in December: 39
The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 14).
Average visibility in December
Silverton, CO
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).
