December weather forecastEvans, CO
December
Weather in December
December in Evans, Colorado marks the arrival of winter with temperatures dropping to an average high of 38.3°F (3.5°C). This month divulges the city's coldest conditions as temperatures plunge and snowfalls become a common sight. While rainfall is at its lowest, the snowfall percentage goes up. Despite the challenging cold weather, the increased percentage of sunshine during limited daylight hours provides intermittent warmth. The change in weather includes a steady increase in wind speeds, creating a winter scenario distinct to this city.Temperature
The coldest period is December, when temperatures fluctuate between an average high of 38.3°F (3.5°C) and a low of 20.1°F (-6.6°C).Humidity
The months with the highest humidity in Evans are January and December, with an average relative humidity of 64%.Rainfall
December is the month with the least rainfall in Evans, Colorado. Rain falls for 1.7 days and accumulates 0.2" (5mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Evans, Colorado, in December, snow falls for 4.5 days, with typically accumulated 1.18" (30mm) of snow. In Evans, during the entire year, snow falls for 26.6 days and aggregates up to 13.62" (346mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December in Evans, Colorado, sunrise is at 7:03 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:42 pm MST.
Sunshine
The months with the least sunshine are February and December, with an average of 6.6h of sunshine.UV index
The months with the lowest UV index in Evans are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Evans, CO
- Average high temperature in December: 38.3°F
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is December (38.3°F).
- Average low temperature in December: 20.1°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is December (20.1°F).
Average pressure in December
Evans, CO
- Average pressure in December: 30.11"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
Evans, CO
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is December (6mph).
Average humidity in December
Evans, CO
- Average humidity in December: 64%
The months with the highest relative humidity are January and December (64%).
The months with the lowest relative humidity are August and September (44%).
Average rainfall in December
Evans, CO
- Average rainfall in December: 0.2"
The wettest month (with the highest rainfall) is May (1.61").
The driest month (with the least rainfall) is December (0.2").
Average rainfall days in December
Evans, CO
- Average rainfall days in December: 1.7 days
The month with the highest number of rainy days is July (11.4 days).
The month with the least rainy days is November (1.6 days).
Average snowfall in December
Evans, CO
- Average snowfall in December: 1.18"
The month with the highest snowfall is February (2.36").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Evans, CO
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is February (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Evans, 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 36min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The months with the least sunshine are February and December (Average sunshine: 6h and 36min).
Average sunshine days in December
Evans, CO
- Average sunshine days in December: 25.9 days
The month with the most sunshine days is December (25.9 days).
The month with the least sunshine days is July (16.7 days).
Average UV index in December
Evans, 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
Evans, CO
- Average cloud cover in December: 27
The month with the most cloud cover is February (Cloud cover 29).
The month with the least cloud cover is June (Cloud cover 16).
Average visibility in December
Evans, 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).








