Las Vegas, New Mexico climate: Normal weather by month, frost dates and records
Las Vegas's normal year runs from 20°F December nights to 84°F July afternoons, with 15.7 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 10.1°C, December lows of −7°C, July highs of 29°C, 400 mm of precipitation a year.
- NOAA stationLas Vegas Municipal Airport
- Station IDUSW00023054
- Location35.65°N 105.14°W
- Elevation6,874 ft (2,095 m)
- Population12,711
On October 14, the normal high in Las Vegas is 67°F and the normal low 37°F, and the chance of measurable rain or snow is 16%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Las Vegas.
- Jan 47° 20°
- Feb 49° 22°
- Mar 56° 27°
- Apr 63° 32°
- May 72° 41°
- Jun 82° 50°
- Jul 84° 54°
- Aug 81° 53°
- Sep 76° 46°
- Oct 66° 36°
- Nov 55° 26°
- Dec 46° 20°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like in Las Vegas each month?
July is the warmest month, with normal highs of 84°F; December the coldest, with normal lows of 20°F. The most precipitation falls in July (3.24 in), the least in February (0.32 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 47°F | 20°F | 33.1°F | 0.35 | 3 | <1 | 29 | 10 h |
| February | 49°F | 22°F | 35.4°F | 0.32 | 3 | <1 | 25 | 10 h 50 min |
| March | 56°F | 27°F | 41.4°F | 0.60 | 4 | <1 | 23 | 11 h 50 min |
| April | 63°F | 32°F | 47.8°F | 0.68 | 5 | <1 | 14 | 13 h |
| May | 72°F | 41°F | 56.5°F | 1.32 | 7 | <1 | 3 | 14 h |
| June | 82°F | 50°F | 65.8°F | 1.62 | 8 | 4 | <1 | 14 h 30 min |
| July | 84°F | 54°F | 68.8°F | 3.24 | 13 | 5 | <1 | 14 h 20 min |
| August | 81°F | 53°F | 67.1°F | 3.13 | 13 | 3 | <1 | 13 h 30 min |
| September | 76°F | 46°F | 61.2°F | 2.16 | 8 | <1 | 1 | 12 h 30 min |
| October | 66°F | 36°F | 51.0°F | 1.36 | 5 | <1 | 9 | 11 h 20 min |
| November | 55°F | 26°F | 40.6°F | 0.51 | 4 | <1 | 23 | 10 h 20 min |
| December | 46°F | 20°F | 33.0°F | 0.44 | 4 | <1 | 29 | 9 h 50 min |
| Year (annual) | 65°F | 36°F | 50.1°F | 15.73 | 76 | 13 | 155 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 8°C | −7°C | 0.6°C | 9 mm |
| February | 10°C | −6°C | 1.9°C | 8 mm |
| March | 13°C | −3°C | 5.2°C | 15 mm |
| April | 17°C | 0°C | 8.8°C | 17 mm |
| May | 22°C | 5°C | 13.6°C | 34 mm |
| June | 28°C | 10°C | 18.8°C | 41 mm |
| July | 29°C | 12°C | 20.4°C | 82 mm |
| August | 27°C | 12°C | 19.5°C | 80 mm |
| September | 24°C | 8°C | 16.2°C | 55 mm |
| October | 19°C | 2°C | 10.6°C | 35 mm |
| November | 13°C | −3°C | 4.8°C | 13 mm |
| December | 8°C | −7°C | 0.6°C | 11 mm |
NOAA publishes no 1991-2020 snowfall normal for this station. Las Vegas's own co-op station Las Vegas Wastewater Treatment Plant does: 22 inches of snow in a normal year (see the other stations below).
Source: NOAA NCEI 1991-2020 monthly normals, station USW00023054; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.
When is the best weather to visit Las Vegas?
Normal highs sit between 65°F and 85°F in May, June, July, August, September and October. Of those, October has the fewest days with rain (5).
That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.
Source: NOAA NCEI 1991-2020 monthly normals, station USW00023054.
When is the last frost in Las Vegas?
In Las Vegas, the last spring frost (32°F) comes after May 10 in half of years and after May 23 in one year in ten; the first autumn frost comes before October 7 in half of years and before September 26 in one year in ten.
Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years
- Last spring frost, half of years after
- May 101 year in 10 after May 23; 9 in 10 after April 28
- First autumn frost, half of years before
- October 71 year in 10 before September 26; 9 in 10 before October 19
NOAA puts the median frost-free season at 149 days, and the season without a hard freeze (28°F) at 167 days.
A hard freeze (28°F) comes after May 1 in half of springs and before October 16 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Las Vegas in zone 6b in ZIP code 87731, the nearest ZIP area. By the map's own method, the average of each year's coldest night over 1991-2020, Las Vegas's NOAA station is in zone 6b: the coldest night of a typical year reaches −4°F (30 complete years).
Frost dates for every NOAA station in New Mexico · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USW00023054; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026; the station zone: ACIS daily lows, 1991-2020. A 10% date means one year in ten has a frost after it in spring or before it in autumn.
How hot and how cold does it get in Las Vegas?
In a normal year in Las Vegas, 13 days a year reach 90°F, 155 nights fall to 32°F or colder and 76 days bring measurable precipitation.
- Days at 90°F or more
- 13a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 155a normal year
- Days that stay below freezing
- 11high of 32°F or less
- Days with 0.01 inch of precipitation
- 76a normal year
The highest temperature in this station's record (since 1940) is 100°F, on July 18, 2023; the lowest is −26°F, on January 12, 1963.
The wettest calendar year on that record is 1985, with 27.79 in; the snowiest season is 1957–58, with 95.6 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USW00023054; records: ACIS (NOAA Regional Climate Centers), station USW00023054. Records use complete months only; a month missing more than three days is left out.
How sunny is Las Vegas?
Over a year 84% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Las Vegas, 5.4 kWh per square metre a day. October is the sunniest month (87%) and July the cloudiest (80%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 85% | 3.3 |
| February | 83% | 4.2 |
| March | 84% | 5.5 |
| April | 84% | 6.8 |
| May | 85% | 7.5 |
| June | 87% | 7.8 |
| July | 80% | 6.9 |
| August | 83% | 6.4 |
| September | 85% | 5.7 |
| October | 87% | 4.7 |
| November | 86% | 3.5 |
| December | 82% | 2.9 |
Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.
How much heating and cooling does Las Vegas need?
A normal year in Las Vegas brings 5,713 heating degree days, 6% more than the median U.S. place (5,373), and 318 cooling degree days, 65% fewer than the median (908). Seven months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 2,361 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 989 | 0 |
| February | 827 | 0 |
| March | 732 | 0 |
| April | 518 | 0 |
| May | 271 | 9 |
| June | 49 | 75 |
| July | 10 | 127 |
| August | 22 | 86 |
| September | 134 | 20 |
| October | 436 | 1 |
| November | 734 | 0 |
| December | 992 | 0 |
| Year (annual) | 5,713 | 318 |
Source: NOAA NCEI 1991-2020 monthly normals, station USW00023054. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.
Has Las Vegas been warmer than normal lately?
2024 averaged 51.6°F, 1.5°F above the 1991-2020 normal of 50.1°F. 3 of the 3 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 50.9°F | +0.8°F | 11.09 |
| 2023 | 51.3°F | +1.2°F | 9.43 |
| 2024 | 51.6°F | +1.5°F | 20.39 |
Over 80 complete years from 1941 to 2025, the station's annual mean temperature rose at a fitted 5.3°F per century (+0.30°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.
Source: observed years: ACIS, station USW00023054; trend: NOAA GHCN-Monthly v4. A year counts only with all twelve months complete.
How does Las Vegas's climate compare?
Las Vegas is warmer than 25 of the other 97 places with their own NOAA record in New Mexico, and wetter than 65. Across the 7,247 U.S. stations with normals, its annual mean of 50.1°F is warmer than 40%.
In the Köppen classification computed from these normals, Las Vegas is BSk: cold semi-arid steppe. What the classes mean.
Places with the most similar year elsewhere
Measured month by month on the normal high, low and precipitation, among places of 20,000 or more people in other states:
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers. Similarity: the root-mean-square difference of the 36 monthly figures, precipitation weighted so an inch counts like 6°F.
What do Las Vegas's other NOAA stations record?
One more NOAA station keeps 1991-2020 normals in or near Las Vegas. This page uses Las Vegas Municipal Airport; the other differs by site and elevation:
| Station | From this station | Elevation | Year | Jan low | Jul high | Precip. | Snow | Last frost |
|---|---|---|---|---|---|---|---|---|
| Las Vegas Wastewater Treatment Plant USC00294862 | 7 mi SW | 6,349 ft | 49.0°F | 11°F | 85°F | 16.7 | 22 | May 24 |
Source: NOAA NCEI 1991-2020 normals for each station. Last frost: the median last spring date of 32°F.
Questions about Las Vegas's climate
What is the coldest month in Las Vegas?
December, with a normal high of 46°F and a normal low of 20°F. The warmest is July (84°F by day, 54°F at night).
Does it snow in Las Vegas?
Yes. NOAA publishes no 1991-2020 snowfall normal for Las Vegas's NOAA station; Las Vegas's own co-op station Las Vegas Wastewater Treatment Plant records 22 inches of snow in a normal year.
What is the rainiest month in Las Vegas?
July, with 3.24 in of precipitation in a normal year; the driest is February with 0.32 in.
What plant hardiness zone is Las Vegas in?
The USDA's 2023 map puts Las Vegas in zone 6b in ZIP code 87731, the nearest ZIP area. By the same method at Las Vegas's NOAA station, the coldest night of a typical year reaches −4°F (30 years, 1991-2020): zone 6b.
How late can frost come in Las Vegas?
In half of years the last 32°F night comes after May 10; in one year in ten it comes after May 23. Waiting until May 23 leaves about a one-in-ten chance of a later frost.
Nearby and next
- New Mexico climateThe statewide normals and every place in the state
- Valmora, NM17 miles from this station, 50.3°F a year
- Gascon, NM24 miles from this station, 45.6°F a year
- Villanueva, NM29 miles from this station, 54.9°F a year
- Pecos, NM32 miles from this station, 50.0°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made