Kingshuk Mondal / CC BY 4.0
Las Cruces, NM Weather on August 18
August 18th in Las Cruces, NM typically brings hot summer weather, with average highs around 93°F and lows near 66°F — a 27°F daily swing. Over 55 years of records, the warmest August 18th was in 2024 (88°F average), while the coldest was 1979 (69°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 27% of August 18th dates historically, with the wettest August 18th recording 0.66" of rain. The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
What to Expect on August 18
Planning for August 18th in Las Cruces, NM? Stay hydrated and seek shade during peak afternoon hours.
August 18 Weather Records for Las Cruces
- •The all-time record high for August 18th in Las Cruces, NM is 103°F, set in 2024.
- •The coldest August 18th on record dropped to 59°F in 1979.
- •Temperatures have reached 90°F or higher on August 18th in 42 of the last 55 years.
- •Last year (1971), August 18th was 5°F cooler than the long-term average.
Frequently Asked Questions
What was the warmest August 18 ever in Las Cruces?
The warmest August 18 in Las Cruces, NM reached 103°F in 2024. That is 10°F above the long-term average high of 93°F.
What was the coldest August 18 ever in Las Cruces?
The coldest August 18 in Las Cruces, NM dropped to 59°F in 1979. That is 7°F below the long-term average low of 66°F.
What is the average temperature on August 18 in Las Cruces?
On August 18, Las Cruces averages a high of 93°F and a low of 66°F based on 55 years of NOAA weather observations from STATE UNIV.
How many years of weather data are available for August 18 in Las Cruces?
We have 55 years of weather records for August 18 in Las Cruces, NM, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
August 18 Weather History in Las Cruces
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 95°F | 68°F | 0" | -- |
| 2024 | 103°F | 73°F | 0" | -- |
| 2023 | 101°F | 71°F | 0" | -- |
| 2022 | 80°F | 68°F | 0.25" | -- |
| 2021 | 87°F | 67°F | 0" | -- |
| 2020 | 96°F | 66°F | 0.17" | -- |
| 2019 | 101°F | 67°F | 0" | -- |
| 2018 | 92°F | 70°F | 0" | -- |
| 2017 | 96°F | 64°F | 0" | -- |
| 2016 | 93°F | 64°F | 0" | -- |
| 2015 | 97°F | 72°F | 0" | -- |
| 2014 | 94°F | 67°F | 0.1" | -- |
| 2013 | 98°F | 69°F | 0" | -- |
| 2012 | 90°F | 67°F | 0.16" | -- |
| 2011 | 98°F | 72°F | 0" | -- |
| 2010 | 95°F | 71°F | 0" | -- |
| 2009 | 99°F | 65°F | 0" | -- |
| 2008 | 85°F | 63°F | 0.18" | -- |
| 2007 | 95°F | 70°F | 0" | -- |
| 2006 | 83°F | 64°F | 0" | -- |
| 2005 | 93°F | 69°F | 0.04" | -- |
| 2004 | 80°F | 63°F | 0" | -- |
| 2003 | 93°F | 68°F | 0" | -- |
| 2002 | 96°F | 68°F | 0" | -- |
| 2001 | 92°F | 66°F | 0" | -- |
| 2000 | 84°F | 65°F | 0.23" | -- |
| 1999 | 95°F | 67°F | 0" | -- |
| 1998 | 95°F | 67°F | 0" | -- |
| 1997 | 94°F | 68°F | 0.07" | -- |
| 1996 | 94°F | 63°F | 0" | -- |
| 1995 | 89°F | 67°F | 0.11" | -- |
| 1994 | 99°F | 68°F | 0" | -- |
| 1993 | 92°F | 68°F | 0.3" | -- |
| 1992 | 96°F | 71°F | 0" | -- |
| 1991 | 92°F | 65°F | 0.34" | -- |
| 1990 | 92°F | 62°F | 0" | -- |
| 1989 | 94°F | 67°F | 0.66" | -- |
| 1988 | 88°F | 66°F | 0" | -- |
| 1987 | 97°F | 61°F | 0" | -- |
| 1986 | 96°F | 70°F | 0" | -- |
| 1985 | 93°F | 66°F | 0" | -- |
| 1984 | 86°F | 64°F | 0" | -- |
| 1983 | 93°F | 62°F | 0" | -- |
| 1982 | 95°F | 71°F | 0" | -- |
| 1981 | 88°F | 63°F | 0.28" | -- |
| 1980 | 92°F | 63°F | 0" | -- |
| 1979 | 79°F | 59°F | 0" | -- |
| 1978 | 97°F | 67°F | 0" | -- |
| 1977 | 94°F | 65°F | 0" | -- |
| 1976 | 92°F | 63°F | 0.05" | -- |
| 1975 | 94°F | 66°F | 0" | -- |
| 1974 | 94°F | 60°F | 0" | -- |
| 1973 | 95°F | 60°F | 0" | -- |
| 1972 | 86°F | 64°F | 0" | -- |
| 1971 | 88°F | 63°F | 0.01" | -- |
Based on 55 years of data from NOAA station: STATE UNIV
Monthly Climate Averages
Historical temperature and precipitation averages for Las Cruces, NM, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.