December weather forecastSouth Valley, NM
December
Weather in December
The first month of the winter, December, is also a frosty month in South Valley, New Mexico, with an average temperature ranging between min 27.5°F (-2.5°C) and max 43.9°F (6.6°C).Temperature
The coldest months are January and December, with an average high-temperature of 43.9°F (6.6°C).Humidity
In December, the average relative humidity in South Valley is 59%.Rainfall
In South Valley, in December, during 5.3 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. Throughout the year, in South Valley, New Mexico, there are 87.6 rainfall days, and 8.23" (209mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in South Valley. December is the month with the most snowfall in South Valley. Snow falls for 4.9 days and accumulates 2.44" (62mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 6:56 am and sunset at 4:55 pm. On the last day of December, in South Valley, sunrise is at 7:14 am and sunset at 5:05 pm MST.
Sunshine
The months with the least sunshine are January and December, with an average of 7h of sunshine.UV index
January, November and December, with an average maximum UV index of 2, are months with the lowest UV index in South Valley. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: In December, a daily UV index of 2 turns into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
South Valley, NM
- Average high temperature in December: 43.9°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The months with the lowest average high temperature are January and December (43.9°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in December
South Valley, NM
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are April and May (29.89"Hg).
Average wind speed in December
South Valley, NM
- Average wind speed in December: 6.4mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
South Valley, NM
- Average humidity in December: 59%
The month with the highest relative humidity is January (61%).
The month with the lowest relative humidity is June (27%).
Average rainfall in December
South Valley, NM
- Average rainfall in December: 0.63"
The wettest month (with the highest rainfall) is July (1.73").
The driest month (with the least rainfall) is March (0.35").
Average rainfall days in December
South Valley, NM
- Average rainfall days in December: 5.3 days
The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is November (3.8 days).
Average snowfall in December
South Valley, NM
- Average snowfall in December: 2.44"
The month with the highest snowfall is December (2.44").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
South Valley, NM
- Average snowfall days in December: 4.9 days
The month with the highest number of snowfall days is December (4.9 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
South Valley, NM
- Average daylight in December: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 7h and 0min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 7h and 0min).
Average sunshine days in December
South Valley, NM
- Average sunshine days in December: 23.4 days
The month with the most sunshine days is November (24.5 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in December
South Valley, NM
- Average UV index in December: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in December
South Valley, NM
- Average cloud cover in December: 20
The month with the most cloud cover is December (Cloud cover 20).
The month with the least cloud cover is June (Cloud cover 10).
Average visibility in December
South Valley, 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).





