Weather on August 18 at Joshua Tree
Joshua Tree National Park
Based on 54 years of data from Palm Springs, CA
Elevation Note: Joshua Tree sits at 4,500 ft. Expect temperatures 16°F cooler than the data shown below, which comes from Palm Springs, CA at a lower elevation.
Planning Your Visit
August 18th in Joshua Tree National Park (via Palm Springs, CA) typically brings hot summer weather, with average highs around 106°F and lows near 77°F — a 29°F daily swing. Over 54 years of records, the warmest August 18th was in 2020 (103°F average), while the coldest was 1983 (74°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 7% of August 18th dates historically, with the wettest August 18th recording 4.39" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for August 18th in Joshua Tree? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 106°F | 75°F | 0" | -- |
| 2024 | 105°F | 75°F | 0" | -- |
| 2023 | 110°F | 86°F | 0" | -- |
| 2022 | 114°F | 88°F | 0" | -- |
| 2021 | 97°F | 80°F | 0" | -- |
| 2020 | 114°F | 91°F | 0" | 0" |
| 2019 | 108°F | 73°F | 0" | 0" |
| 2018 | 112°F | 85°F | 0" | 0" |
| 2017 | 108°F | 76°F | 0" | 0" |
| 2016 | 107°F | 84°F | 0" | 0" |
| 2015 | 111°F | 81°F | 0" | 0" |
| 2014 | 99°F | 84°F | 0" | 0" |
| 2013 | 109°F | 86°F | 0" | -- |
| 2012 | 101°F | 84°F | 0" | 0" |
| 2011 | 114°F | 78°F | 0" | -- |
| 2010 | 108°F | 84°F | 0" | 0" |
| 2009 | 105°F | 75°F | 0" | 0" |
| 2008 | 107°F | 77°F | 0" | -- |
| 2007 | 111°F | -- | 0" | 0" |
| 2006 | 108°F | 70°F | 0" | 0" |
| 2005 | 103°F | 74°F | 0" | 0" |
| 2004 | 107°F | 80°F | 0" | 0" |
| 2003 | 110°F | 86°F | 0" | 0" |
| 2002 | 107°F | 79°F | 0" | 0" |
| 2001 | 109°F | 85°F | 0" | 0" |
| 2000 | 107°F | 82°F | 0" | 0" |
| 1999 | 114°F | 74°F | 0" | 0" |
| 1998 | 110°F | 82°F | 0" | 0" |
| 1996 | 109°F | 78°F | 0" | 0" |
| 1995 | 107°F | 74°F | 0" | 0" |
| 1994 | 108°F | 81°F | 0" | 0" |
| 1993 | 107°F | 68°F | 0" | 0" |
| 1992 | 115°F | 83°F | 0" | 0" |
| 1991 | 111°F | 76°F | 0" | 0" |
| 1990 | 102°F | 72°F | 0" | 0" |
| 1989 | 104°F | 70°F | 0" | 0" |
| 1988 | 109°F | 78°F | 0" | 0" |
| 1987 | 109°F | 71°F | 0" | 0" |
| 1986 | 103°F | 84°F | 1.17" | 0" |
| 1985 | 108°F | 67°F | 0" | 0" |
| 1984 | 102°F | 77°F | 0.08" | 0" |
| 1983 | 79°F | 69°F | 4.39" | 0" |
| 1982 | 107°F | 79°F | 0" | 0" |
| 1981 | 105°F | 79°F | 0" | 0" |
| 1980 | 99°F | 66°F | 0" | 0" |
| 1979 | 94°F | 69°F | 0" | 0" |
| 1978 | 104°F | 65°F | 0" | 0" |
| 1977 | 97°F | 72°F | 0.03" | 0" |
| 1976 | 95°F | 63°F | 0" | 0" |
| 1975 | 101°F | 69°F | 0" | 0" |
| 1974 | 111°F | 70°F | 0" | 0" |
| 1973 | 109°F | 80°F | 0" | 0" |
| 1972 | 99°F | 65°F | 0" | 0" |
| 1971 | 99°F | 79°F | 0" | 0" |