December weather forecast
South Valley, NM

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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.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest in South Valley?

South Valley's average lowest temperatures are recorded in January and December, reaching a high of 43.9°F (6.6°C).

How cold does it get in South Valley in December?

South Valley in December has an average high-temperature of 43.9°F (6.6°C) and an average low-temperature of 27.5°F (-2.5°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is computed to be 86°F (30°C).

What is the average humidity in December in South Valley?

The average relative humidity in December in South Valley, New Mexico, is 59%.

How much does it rain in South Valley in December?

In South Valley, New Mexico, in December, during 5.3 rainfall days, 0.63" (16mm) of precipitation is typically accumulated.

What is the snowiest month in South Valley?

December is the month with the most snowfall in South Valley, New Mexico. Snow falls for 4.9 days and accumulates 2.44" (62mm) of snow.

How many days does it snow in December in South Valley?

In South Valley, New Mexico, in December, snow falls for 4.9 days, with typically accumulated 2.44" (62mm) of snow.

What is the month with the shortest days in South Valley?

December has the shortest days of the year in South Valley, New Mexico, with an average of 9h and 48min of daylight.

What is the average length of the day in December in South Valley?

The average day length in December in South Valley is 9h and 51min.

When are sunrise and sunset in December in South Valley?

In December, on the first day of the month, sunrise is at 6:56 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:05 pm MST.

What are the months with the least sunshine in South Valley?

The months with the least sunshine in South Valley are January and December, with an average of 7h of sunshine.

How long on average sun shines in December in South Valley?

In December, the average sunshine duration in South Valley, New Mexico, is 7h.

What are the months with the lowest UV index in South Valley?

The months with the lowest UV index in South Valley are January, November and December, with an average maximum UV index of 2.

How high is the UV index in December in South Valley?

In South Valley, New Mexico, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
South Valley, NM

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in December - South Valley, NM
  • Average daylight in December: 9h and 5min

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 - 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 - 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 - 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 - 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).

South Valley, New Mexico, USA

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