December weather forecastChromo, CO
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Chromo, Colorado, with an average temperature varying between 11.1°F (-11.6°C) and 29.7°F (-1.3°C).Temperature
Chromo's December weather features a mild decline in high-temperatures, reducing from a wintry 41°F (5°C) in November to a freezing cold 29.7°F (-1.3°C). During December, Chromo sees a mean low-temperature of 11.1°F (-11.6°C).Humidity
The average relative humidity in December in Chromo is 81%.Rainfall
In December, the rain falls for 4.3 days. Throughout December, 1.77" (45mm) of precipitation is accumulated. In Chromo, during the entire year, the rain falls for 109 days and collects up to 22.8" (579mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. In Chromo, in December, snow falls for 14.5 days, with typically accumulated 12.95" (329mm) of snow. Throughout the year, there are 87.5 snowfall days, and 75.04" (1906mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 7:02 am and sunset at 4:50 pm. On the last day of December, sunrise is at 7:20 am and sunset at 5:00 pm MST.
Sunshine
The average sunshine in December is 5.8h.UV index
January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Chromo. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In December, an average UV index of 2 transforms into the following instructions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Chromo, CO
- Average high temperature in December: 29.7°F
The warmest month (with the highest average high temperature) is July (73.8°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in December: 11.1°F
The month with the highest average low temperature is July (46.8°F).
The coldest month (with the lowest average low temperature) is January (9°F).
Average pressure in December
Chromo, CO
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is April (29.91"Hg).
Average wind speed in December
Chromo, CO
- Average wind speed in December: 5.1mph
The windiest months (with the highest average wind speed) are April and May (7.3mph).
The calmest months (with the lowest average wind speed) are January, July and August (4.7mph).
Average humidity in December
Chromo, CO
- Average humidity in December: 81%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is June (42%).
Average rainfall in December
Chromo, CO
- Average rainfall in December: 1.77"
The wettest month (with the highest rainfall) is July (4.21").
The driest month (with the least rainfall) is June (1.22").
Average rainfall days in December
Chromo, CO
- Average rainfall days in December: 4.3 days
The month with the highest number of rainy days is July (20 days).
The month with the least rainy days is November (2.1 days).
Average snowfall in December
Chromo, CO
- Average snowfall in December: 12.95"
The month with the highest snowfall is March (14.02").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Chromo, CO
- Average snowfall days in December: 14.5 days
The month with the highest number of snowfall days is February (15.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Chromo, CO
- Average daylight in December: 9h and 42min
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 42min).
- 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 January (Average sunshine: 5h and 30min).
Average sunshine days in December
Chromo, CO
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in December
Chromo, CO
- Average UV index in December: 2
The month with the highest UV index is June (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in December
Chromo, CO
- Average cloud cover in December: 40
The month with the most cloud cover is January (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 13).
Average visibility in December
Chromo, CO
- Average visibility in December: 4mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).





