Weather on August 20
Menifee, CA
55 Years of Data
Avg High
92°F
Avg Low
60°F
Warmest
1992
89°F avg
Coldest
2011
66°F avg
About This Date
August 20th in Menifee, CA typically brings hot summer weather, with average highs around 92°F and lows near 60°F — a 32°F daily swing. Over 55 years of records, the warmest August 20th was in 1992 (89°F average), while the coldest was 2011 (66°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 2% of August 20th dates historically. The last decade has been 3.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.1°F cooler on this date compared to 20-30 years ago.
Planning for August 20th in Menifee, CA? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 93° | 66° | 80° | — | — |
| 2024 | 98° | 71° | 85° | — | — |
| 2023 | 74° | 59° | 66° | — | — |
| 2022 | 82° | 60° | 71° | — | — |
| 2021 | 78° | 59° | 69° | — | — |
| 2020 | 94° | 69° | 81° | — | — |
| 2019 | 89° | 67° | 78° | — | — |
| 2018 | 83° | 63° | 73° | — | — |
| 2017 | 81° | 56° | 68° | — | — |
| 2016 | 84° | 65° | 74° | — | — |
| 2015 | 82° | 58° | 70° | — | — |
| 2014 | 74° | 59° | 66° | — | — |
| 2013 | 89° | 66° | 78° | — | — |
| 2012 | 91° | 66° | 79° | — | — |
| 2011coldest | 79° | 54° | 66° | — | — |
| 2010 | 92° | 69° | 80° | — | — |
| 2009 | 84° | 59° | 72° | — | — |
| 2008 | 82° | 61° | 71° | — | — |
| 2007 | 96° | 70° | 83° | — | — |
| 2006 | 87° | 55° | 71° | — | — |
| 2005 | 87° | 62° | 75° | — | — |
| 2004 | 80° | 57° | 69° | — | — |
| 2003 | 99° | 62° | 80° | — | — |
| 2002 | 103° | 59° | 81° | — | — |
| 2001 | 100° | 60° | 80° | — | — |
| 2000 | 100° | 52° | 76° | — | — |
| 1999 | 104° | 64° | 84° | — | — |
| 1998 | 96° | 55° | 76° | — | — |
| 1997 | 98° | 62° | 80° | — | — |
| 1996 | 97° | 53° | 75° | — | — |
| 1995 | 103° | 58° | 80° | — | — |
| 1994 | 98° | 63° | 80° | — | — |
| 1993 | 96° | 55° | 76° | — | — |
| 1992warmest | 104° | 74° | 89° | — | — |
| 1991 | 96° | 57° | 77° | — | — |
| 1990 | 82° | 57° | 70° | — | — |
| 1989 | 85° | 56° | 70° | — | — |
| 1988 | 99° | 59° | 79° | — | — |
| 1987 | 95° | 53° | 74° | — | — |
| 1986 | 105° | 69° | 87° | — | — |
| 1985 | 95° | 50° | 73° | — | — |
| 1984 | 87° | 68° | 78° | 0.13" | — |
| 1983 | 83° | 63° | 73° | — | — |
| 1982 | 108° | 55° | 81° | — | — |
| 1981 | 102° | 61° | 81° | — | — |
| 1980 | 91° | 48° | 70° | — | — |
| 1979 | 85° | 57° | 71° | — | — |
| 1978 | 93° | 51° | 72° | — | — |
| 1977 | 98° | 70° | 84° | — | — |
| 1976 | 89° | 55° | 72° | — | — |
| 1975 | 86° | 51° | 69° | — | — |
| 1974 | 89° | 56° | 72° | — | — |
| 1973 | 102° | 66° | 84° | — | — |
| 1972 | 95° | 46° | 71° | — | — |
| 1971 | 91° | 59° | 75° | — | — |
55 years of data from SUN CITY