December weather forecastJornada, NM
December
Weather in December
The first month of the winter, December, is still a cool month in Jornada, New Mexico, with an average temperature varying between 51.1°F (10.6°C) and 33.4°F (0.8°C).Temperature
Jornada witnesses the coldest weather in December, with temperatures averaging a high of 51.1°F (10.6°C) and a low of 33.4°F (0.8°C).Humidity
December is the most humid month, with an average relative humidity of 50%.Rainfall
In December, the rain falls for 4.5 days. Throughout December, 0.47" (12mm) of precipitation is accumulated. In Jornada, during the entire year, the rain falls for 82.9 days and collects up to 8.54" (217mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Jornada, in December, snow falls for 1.4 days, with typically accumulated 0.71" (18mm) of snow. Throughout the year, there are 4.4 snowfall days, and 3.03" (77mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 6:53 am and sunset at 5:00 pm. On the last day of December, sunrise is at 7:11 am and sunset at 5:11 pm MST.
Sunshine
The months with the least sunshine are January and December, with an average of 7.2h of sunshine.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Jornada, NM
- Average high temperature in December: 51.1°F
The warmest month (with the highest average high temperature) is June (90°F).
The month with the lowest average high temperature is December (51.1°F).
- Average low temperature in December: 33.4°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (32.9°F).
Average pressure in December
Jornada, NM
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in December
Jornada, NM
- Average wind speed in December: 6.1mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Jornada, NM
- Average humidity in December: 50%
The month with the highest relative humidity is December (50%).
The months with the lowest relative humidity are April and May (23%).
Average rainfall in December
Jornada, NM
- Average rainfall in December: 0.47"
The wettest month (with the highest rainfall) is July (2.13").
The driest month (with the least rainfall) is April (0.12").
Average rainfall days in December
Jornada, NM
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is November (2.7 days).
Average snowfall in December
Jornada, NM
- Average snowfall in December: 0.71"
The month with the highest snowfall is November (1.46").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Jornada, NM
- Average snowfall days in December: 1.4 days
The month with the highest number of snowfall days is December (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Jornada, NM
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 7h and 12min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 7h and 12min).
Average sunshine days in December
Jornada, NM
- Average sunshine days in December: 24.5 days
The month with the most sunshine days is November (26.5 days).
The month with the least sunshine days is July (7.7 days).
Average UV index in December
Jornada, NM
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Jornada, NM
- Average cloud cover in December: 17
The month with the most cloud cover is July (Cloud cover 19).
The month with the least cloud cover is May (Cloud cover 9).
Average visibility in December
Jornada, 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).





