Weather on August 20
Henderson, NV
55 Years of Data
Avg High
100°F
Avg Low
77°F
Warmest
2018
100°F avg
Coldest
1983
73°F avg
About This Date
August 20th in Henderson, NV typically brings hot summer weather, with average highs around 100°F and lows near 77°F. Over 55 years of records, the warmest August 20th was in 2018 (100°F average), while the coldest was 1983 (73°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 11% of August 20th dates historically, with the wettest August 20th recording 1.04" of rain. The last decade has been 3.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.8°F warmer on this date compared to 20-30 years ago.
Planning for August 20th in Henderson, NV? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
2.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 106° | 81° | 93° | — | — |
| 2024 | 112° | 88° | 100° | — | — |
| 2023 | 83° | 68° | 75° | 1.04" | — |
| 2022 | 101° | 79° | 90° | — | — |
| 2021 | 96° | 77° | 87° | — | — |
| 2020 | 111° | 83° | 97° | — | — |
| 2019 | 105° | 79° | 92° | — | — |
| 2018warmest | 110° | 91° | 100° | — | — |
| 2017 | 105° | 84° | 95° | — | — |
| 2016 | 105° | 84° | 95° | — | — |
| 2015 | 108° | 84° | 96° | — | — |
| 2014 | 90° | 74° | 82° | — | — |
| 2013 | 105° | 83° | 94° | — | — |
| 2012 | 101° | 81° | 91° | — | — |
| 2011 | 104° | 81° | 92° | — | — |
| 2010 | 110° | 83° | 96° | — | — |
| 2009 | 112° | 79° | 95° | — | — |
| 2008 | 109° | 77° | 93° | — | — |
| 2007 | 109° | 83° | 96° | — | — |
| 2006 | 108° | 78° | 93° | — | — |
| 2005 | 100° | 79° | 89° | 0.25" | — |
| 2004 | 99° | 78° | 88° | — | — |
| 2003 | 95° | 77° | 86° | — | — |
| 2002 | 94° | 78° | 86° | — | — |
| 2001 | 108° | 72° | 90° | 0.13" | — |
| 2000 | 101° | 79° | 90° | — | — |
| 1999 | 98° | 77° | 88° | 0.08" | — |
| 1998 | 100° | 79° | 89° | — | — |
| 1997 | 102° | 82° | 92° | — | — |
| 1996 | 101° | 76° | 88° | — | — |
| 1995 | 100° | 76° | 88° | — | — |
| 1994 | 100° | 78° | 89° | — | — |
| 1993 | 99° | 76° | 87° | — | — |
| 1992 | 107° | 83° | 95° | — | — |
| 1991 | 102° | 80° | 91° | — | — |
| 1990 | 90° | 67° | 78° | — | — |
| 1989 | 97° | 69° | 83° | — | — |
| 1988 | 106° | 69° | 87° | 0.25" | — |
| 1987 | 100° | 80° | 90° | — | — |
| 1986 | 104° | 82° | 93° | — | — |
| 1985 | 102° | 73° | 88° | — | — |
| 1984 | 84° | 67° | 75° | 0.23" | — |
| 1983coldest | 85° | 61° | 73° | — | — |
| 1982 | 102° | 82° | 92° | — | — |
| 1981 | 99° | 78° | 88° | — | — |
| 1980 | 92° | 68° | 80° | — | — |
| 1979 | 93° | 64° | 79° | — | — |
| 1978 | 94° | 72° | 83° | — | — |
| 1977 | 97° | 80° | 88° | — | — |
| 1976 | 102° | 64° | 83° | — | — |
| 1975 | 91° | 70° | 80° | — | — |
| 1974 | 100° | 69° | 85° | — | — |
| 1973 | 105° | 78° | 92° | — | — |
| 1972 | 92° | 71° | 81° | — | — |
| 1971 | 94° | 71° | 82° | — | — |
55 years of data from BOULDER CITY