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Average Weather in Las Cruces New Mexico, United States

In Las Cruces, the temperature typically varies from 32°F to 97°F over the course of the year, and is rarely below 23°F or above 103°F.

The hot season lasts for 3.7 months, from May 20 to September 12, with an average daily high temperature above 89°F. The hottest day of the year is June 30, with an average high of 97°F and low of 70°F.

The cool season lasts for 2.9 months, from November 20 to February 18, with an average daily high temperature below 65°F. The coldest day of the year is January 1, with an average low of 32°F and high of 57°F.

Average High and Low Temperature

The daily average high (red line) and low (blue line) temperature with percentile bands, with 25th to 75th and 10th to 90th percentile bands. The thin dotted lines are the corresponding average perceived temperatures.

The figure below shows you a compact characterization of the entire year of hourly average temperatures. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Average Hourly Temperature

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJanFebMarAprMayJunJulAugSepOctNovDecchillychillycoldcoldcoolcoolcomfortablecomfortablewarmwarmhothotswelteringsweltering
The average hourly temperature, color coded into bands: frigid < 15°F < freezing < 32°F < chilly < 45°F < cold < 55°F < cool < 65°F < comfortable < 75°F < warm < 85°F < hot < 95°F < sweltering. The shaded overlays indicate night and civil twilight.

Sun

The length of the day in Las Cruces varies significantly over the course of the year. In 2017, the shortest day is December 21, with 10 hours, 2 minutes of daylight; the longest day is June 21, with 14 hours, 16 minutes of daylight.

Hours of Daylight and Twilight

The number of hours during which the Sun is visible (black line). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.

The earliest sunrise is at 5:59 AM on June 11, and the latest sunrise is 1 hour, 27 minutes later at 7:27 AM on November 4. The earliest sunset is at 5:01 PM on December 3, and the latest sunset is 3 hours, 16 minutes later at 8:18 PM on June 29.

Daylight saving time (DST) is observed in Las Cruces during 2017, starting in the spring on March 12, lasting 7.8 months, and ending in the fall on November 5.

Sunrise & Sunset with Twilight and Daylight Saving Time

The solar day over the course of the year 2017. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. The transitions to and from daylight saving time are indicated by the 'DST' labels.

Clouds

In Las Cruces, the average percentage of the sky covered by clouds experiences mild seasonal variation over the course of the year.

The clearer part of the year in Las Cruces begins around March 19 and lasts for 3.6 months, ending around July 7. On June 12, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 80% of the time, and overcast or mostly cloudy 20% of the time.

The cloudier part of the year begins around July 7 and lasts for 8.4 months, ending around March 19. On August 5, the cloudiest day of the year, the sky is overcast or mostly cloudy 40% of the time, and clear, mostly clear, or partly cloudy 60% of the time.

Cloud Cover

clearerclearercloudiercloudiercloudiercloudier0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecAug 540%Aug 540%Jun 1220%Jun 1220%Mar 1930%Mar 1930%Jul 730%Jul 730%overcastovercastmostly cloudymostly cloudymostly clearmostly clearclearclear
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds: clear < 20% < mostly clear < 40% < partly cloudy < 60% < mostly cloudy < 80% < overcast.

Precipitation

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days in Las Cruces varies throughout the year.

The wetter season lasts 2.5 months, from July 1 to September 17, with a greater than 17% chance of a given day being a wet day. The chance of a wet day peaks at 30% on August 3.

The drier season lasts 9.5 months, from September 17 to July 1. The smallest chance of a wet day is 3% on March 19.

Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 30% on August 3.

Daily Chance of Precipitation

The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day).

Rainfall

To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day in the year. Las Cruces experiences some seasonal variation in monthly rainfall.

The rainy period of the year lasts for 6.3 months, from June 15 to December 24, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around August 2, with an average total accumulation of 1.6 inches.

The rainless period of the year lasts for 5.7 months, from December 24 to June 15. The least rain falls around March 29, with and average total accumulation of 0.2 inches.

Average Monthly Rainfall

The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average liquid-equivalent snowfall.

Humidity

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

The perceived humidity level in Las Cruces, as measured by the percentage of time in which the humidity comfort level is muggy, oppressive, or miserable, does not vary significantly over the course of the year, staying within 5% of 5% throughout.

Humidity Comfort Levels

0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecMar 210%Mar 210%Aug 59%Aug 59%comfortablecomfortabledrydrymuggymuggy
The percentage of time spent at various humidity comfort levels, categorized by dew point: dry < 55°F < comfortable < 60°F < humid < 65°F < muggy < 70°F < oppressive < 75°F < miserable.

Wind

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed in Las Cruces experiences mildly seasonal variation over the course of the year.

The windier part of the year lasts for 4.5 months, from February 7 to June 21, with average wind speeds of more than 4.7 miles per hour. The windiest day of the year is April 11, with an average hourly wind speed of 6.0 miles per hour.

The calmer time of year lasts for 7.5 months, from June 21 to February 7. The calmest day of the year is August 15, with an average hourly wind speed of 3.4 miles per hour.

Average Wind Speed

The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The predominant average hourly wind direction in Las Cruces varies throughout the year.

The wind is most often from the south for 3.1 weeks, from June 25 to July 17 and for 2.6 weeks, from September 17 to October 5, with a peak percentage of 36% on July 21. The wind is most often from the east for 2.0 months, from July 17 to September 17, with a peak percentage of 39% on August 25. The wind is most often from the west for 8.7 months, from October 5 to June 25, with a peak percentage of 55% on April 23.

Wind Direction

WWSSEESSWW0%20%40%60%80%100%JanFebMarAprMayJunJulAugSepOctNovDecwestwestsouthsoutheasteastnorthnorth
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions (north, east, south, and west), excluding hours in which the mean wind speed is less than 1 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

Solar Energy

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy experiences very significant seasonal variation over the course of the year.

The brighter period of the year lasts for 3.1 months, from April 13 to July 15, with an average daily incident shortwave energy per square meter above 7.4 kWh. The brightest day of the year is June 6, with an average of 8.4 kWh.

The darker period of the year lasts for 3.0 months, from November 6 to February 5, with an average daily incident shortwave energy per square meter below 4.4 kWh. The darkest day of the year is December 23, with an average of 3.4 kWh.

Average Daily Incident Shortwave Solar Energy

The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.

Topography

For the purposes of this report, the geographical coordinates of Las Cruces are 32.312 deg latitude, -106.778 deg longitude, and 3,904 ft elevation (map ).

The topography within 2 miles of Las Cruces contains only modest variations in elevation, with a maximum elevation change of 272 feet, and an average elevation above sea level of 3,933 feet. Within 10 miles contains very significant variations in elevation (1,903 feet). Within 50 miles contains extreme variations in elevation (5,338 feet).

The area within 2 miles of Las Cruces is covered by artificial surfaces (50%) and shrubs (49%), within 10 miles by shrubs (82%) and cropland (13%), and within 50 miles by shrubs (92%).

Data Sources

This report illustrates the typical weather in Las Cruces, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

Temperature and Dew Point

There are 3 weather stations near enough to contribute to our estimation of the temperature and dew point in Las Cruces.

For each station, the records are corrected for the elevation difference between that station and Las Cruces according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.

The estimated value at Las Cruces is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Las Cruces and a given station.

The stations contributing to this reconstruction are: Las Cruces International Airport (77%, 13 kilometers, west), El Paso International Airport (14%, 67 kilometers, southeast), and Holloman Air Force Base (9%, 87 kilometers, northeast).

Other Data

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Tables of the Sun, Moon and Planets , by Jean Meeus.

All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid.

Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations.

Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory.

Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .

Time zones for aiports and weather stations are provided by AskGeo.com .