Weather on August 21 at Death Valley
Death Valley National Park
CAPacific West-282 ft elevation
Avg High102°F
Avg Low73°F
Warmest202598°F
Coldest198376°F
Based on 55 years of data from Las Vegas, NV
Planning Your Visit
August 21st in Death Valley National Park (via Las Vegas, NV) typically brings hot summer weather, with average highs around 102°F and lows near 73°F — a 29°F daily swing. Over 55 years of records, the warmest August 21st was in 2025 (98°F average), while the coldest was 1983 (76°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 9% of August 21st dates historically. The last decade has been 3.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.0°F warmer on this date compared to 20-30 years ago.
Planning for August 21st in Death Valley? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 110°F | 86°F | 0" | -- |
| 2024 | 108°F | 83°F | 0" | -- |
| 2023 | 88°F | 72°F | 0" | -- |
| 2022 | 105°F | 85°F | 0" | -- |
| 2021 | 100°F | 78°F | 0" | -- |
| 2020 | 110°F | 85°F | 0" | -- |
| 2019 | 108°F | 78°F | 0" | -- |
| 2018 | 105°F | 85°F | 0" | 0" |
| 2017 | 92°F | 70°F | 0.2" | 0" |
| 2016 | 100°F | 80°F | 0" | 0" |
| 2015 | 108°F | -- | 0" | 0" |
| 2014 | 100°F | 73°F | 0" | 0" |
| 2013 | 105°F | 83°F | 0" | 0" |
| 2012 | 100°F | 81°F | 0" | 0" |
| 2011 | 104°F | 77°F | 0" | 0" |
| 2010 | 108°F | 77°F | 0" | 0" |
| 2009 | 108°F | 80°F | 0" | 0" |
| 2008 | 104°F | 73°F | 0" | -- |
| 2007 | 105°F | 73°F | 0" | 0" |
| 2006 | 106°F | 76°F | 0" | 0" |
| 2005 | 101°F | 77°F | 0" | -- |
| 2004 | 103°F | 74°F | 0.03" | 0" |
| 2003 | 96°F | 79°F | 0" | 0" |
| 2002 | 102°F | 79°F | 0" | 0" |
| 2001 | 98°F | 77°F | 0" | -- |
| 2000 | 104°F | 68°F | 0" | 0" |
| 1999 | 95°F | 77°F | 0" | 0" |
| 1998 | 109°F | 75°F | 0" | 0" |
| 1997 | 105°F | 76°F | 0" | 0" |
| 1996 | 103°F | 71°F | 0" | 0" |
| 1995 | 98°F | 78°F | 0" | 0" |
| 1994 | 104°F | 79°F | 0" | 0" |
| 1993 | 101°F | 77°F | 0" | 0" |
| 1992 | 110°F | 82°F | 0" | 0" |
| 1991 | 104°F | 75°F | 0" | 0" |
| 1990 | 93°F | 63°F | 0" | 0" |
| 1989 | 99°F | 62°F | 0" | 0" |
| 1988 | 91°F | 70°F | 0" | 0" |
| 1987 | 96°F | 69°F | 0.15" | 0" |
| 1986 | 104°F | 77°F | 0" | 0" |
| 1985 | 105°F | 67°F | 0" | 0" |
| 1984 | 91°F | 69°F | 0" | 0" |
| 1983 | 93°F | 59°F | 0" | 0" |
| 1982 | 111°F | 72°F | 0" | 0" |
| 1981 | 108°F | 66°F | 0" | 0" |
| 1980 | 106°F | 56°F | 0" | 0" |
| 1979 | 98°F | 57°F | 0" | 0" |
| 1978 | 106°F | 66°F | 0" | 0" |
| 1977 | 108°F | 68°F | 0" | 0" |
| 1976 | 108°F | 65°F | 0" | 0" |
| 1975 | 93°F | 62°F | 0.08" | 0" |
| 1974 | 103°F | 56°F | 0" | 0" |
| 1973 | 97°F | 67°F | 0.03" | 0" |
| 1972 | 105°F | 59°F | 0" | 0" |
| 1971 | 100°F | 72°F | 0" | 0" |
August 21 at Nearby Parks
Holiday Weather at Death Valley
Official NPS WebsiteVisit nps.gov/deva for park information, alerts, and reservations
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