Climateby Month

Las Cruces, NM weather in December

NOAA 1991-2020 normals and daily records · Las Cruces all year

Expect cool, mostly dry weather in Las Cruces in December, with highs near 58°F and lows near 30°F. Rain falls on about 3 days. It is one of the coolest months in Las Cruces.

Normal high
58°F
Normal low
30°F
Wet days
3
0.6 in total
Muggy days
0
dew point 65°F+

How December changes from start to finish

Normal values at the start and end of December
December 1December 31
Normal high62°F57°F
Normal low32°F29°F
Chance of a wet day10%11%
Sunrise / sunset6:50 am / 5:01 pm7:08 am / 5:12 pm
Daylight10.2 h10.1 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Mountain Time).

A typical December day

  1. 6 am37°Fdew point 24°F
  2. 9 am43°Fdew point 25°F
  3. Noon52°Fdew point 25°F
  4. 3 pm57°Fdew point 25°F
  5. 6 pm52°Fdew point 25°F
  6. 9 pm46°Fdew point 25°F

NOAA hourly normals (local standard time) from El Paso Intl Airport (42 mi away); average wind 8 mph; clear or few clouds in 50% of daytime hours, mostly cloudy or overcast in 34%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F7 of 31
  • Hot dayshigh 90°F or more0 of 31
  • Muggy daysdaily mean dew point 65°F or more0 of 31
  • Wet daysat least 0.01 in of rain or melted snow3 of 31
  • Notable rainat least 0.10 in2 of 31
  • Freezing nightslow 32°F or below21 of 31
  • Snow on the groundsnow depth 1 in or more0 of 31

Average days per December, counted from daily records for each year 1991-2020.

Rain and snow in December

Normal precipitation is 0.6 in; a dry December brings about 0.1 in and a wet one about 1.1 in (25th and 75th percentiles). Days with half an inch or more are rare. Normal snowfall is 0.4 in.

How December varies from year to year

  • Warmest December, 1991-20202010: average high 64°F
  • Coolest December2011: average high 50°F
  • Wettest December1991: 2.9 in
  • Driest December1996: no measurable precipitation
  • Highest reading76°F (December 16, 2016)
  • Lowest reading10°F (December 6, 2011)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

December compared with November and January

NovemberDecemberJanuary
Normal high68°F58°F59°F
Normal low37°F30°F30°F
Wet days333
Comfortable days1978
Daylight10.5 h10.1 h10.3 h

Highs change by -10°F from November and +1°F into January.

Nearby alternatives in December

How Las Cruces ranks in December

  • Normal high130th warmest of 378 cities; 1st of 4 in New Mexico
  • Wet days8th driest of 378
  • Comfortable days109th most of 340

What to pack for Las Cruces in December

  • A warm jacket – lows near 30°F, highs near 58°F
  • Layers – afternoons near 58°F but nights near 30°F
  • A hat and gloves – about 21 freezing nights

Heating and cooling

December has 654 heating degree days and 0 cooling degree days (base 65°F), 14% of the year's total heating and cooling demand.

Questions

How cold is Las Cruces in December?

The normal high is 58°F and the normal low is 30°F. From 1991 to 2020 the coldest December reading was 10°F (December 6, 2011).

Does it rain a lot in Las Cruces in December?

About 3 days in December have at least 0.01 in of precipitation, and the normal total is 0.6 in. The wettest December in 1991-2020 was in 1991 (2.9 in); the driest was in 1996, with no measurable precipitation.

Does it snow in Las Cruces in December?

Yes. Normal snowfall in December is 0.4 in.

Is December a good time to visit Las Cruces?

December ranks 8th of 12 months on our comfort score for Las Cruces (55 out of 100). It has about 7 comfortable days. The best month is March.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth and frost dates: State Univ (USC00298535), 2.4 mi SSE of the city center, 3,886 ft . NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour and cloud cover: El Paso Intl Airport (USW00023044), 42 mi SE of the city center, 3,918 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: El Paso International Airport (722700-23044), 42 mi SE of the city center, 3,944 ft . Hourly observations, 1991-2020.