December weather forecastSaint Vrain, NM
December
Weather in December
The first month of the winter, December, is still a cool month in Saint Vrain, New Mexico, with temperature in the range of an average high of 50°F (10°C) and an average low of 31.1°F (-0.5°C).Temperature
December, with an average high of 50°F (10°C) and a low of 31.1°F (-0.5°C), signifies the coldest month of the year.Humidity
December is the most humid month, with an average relative humidity of 54%.Rainfall
In Saint Vrain, in December, during 4.3 rainfall days, 0.43" (11mm) of precipitation is typically accumulated. In Saint Vrain, during the entire year, the rain falls for 86.6 days and collects up to 11.77" (299mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Saint Vrain. In Saint Vrain, during December, snow falls for 3.5 days and regularly aggregates up to 1.18" (30mm) of snow. In Saint Vrain, New Mexico, during the entire year, snow falls for 12.8 days and aggregates up to 5.79" (147mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 6:42 am and sunset at 4:43 pm. On the last day of December, in Saint Vrain, sunrise is at 7:00 am and sunset at 4:54 pm MST.
Sunshine
The months with the least sunshine are January, February and December, with an average of 7h of sunshine.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index in Saint Vrain. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: An average maximum UV index of 2 in December leads to these recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. To avoid the Sun's strongest rays, limit exposure around the mid-day period. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. 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
Saint Vrain, NM
- Average high temperature in December: 50°F
The warmest month (with the highest average high temperature) is June (90.7°F).
The month with the lowest average high temperature is December (50°F).
- Average low temperature in December: 31.1°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is December (31.1°F).
Average pressure in December
Saint Vrain, NM
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Saint Vrain, NM
- Average wind speed in December: 11.6mph
The windiest month (with the highest average wind speed) is April (13.3mph).
The calmest month (with the lowest average wind speed) is August (9.9mph).
Average humidity in December
Saint Vrain, NM
- Average humidity in December: 54%
The month with the highest relative humidity is December (54%).
The month with the lowest relative humidity is April (34%).
Average rainfall in December
Saint Vrain, NM
- Average rainfall in December: 0.43"
The wettest month (with the highest rainfall) is October (1.81").
The driest month (with the least rainfall) is November (0.28").
Average rainfall days in December
Saint Vrain, NM
- Average rainfall days in December: 4.3 days
The month with the highest number of rainy days is July (12.9 days).
The month with the least rainy days is November (2.6 days).
Average snowfall in December
Saint Vrain, NM
- Average snowfall in December: 1.18"
The months with the highest snowfall are January and February (1.34").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Saint Vrain, NM
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is December (3.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Saint Vrain, NM
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 7h and 0min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The months with the least sunshine are January, February and December (Average sunshine: 7h and 0min).
Average sunshine days in December
Saint Vrain, NM
- Average sunshine days in December: 23.7 days
The month with the most sunshine days is January (26.4 days).
The month with the least sunshine days is August (14 days).
Average UV index in December
Saint Vrain, NM
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Saint Vrain, NM
- Average cloud cover in December: 21
The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 13).
Average visibility in December
Saint Vrain, NM
- 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).





