Weather on August 20
Murrieta, CA
55 Years of Data
About This Date
August 20th in Murrieta, CA typically brings warm summer weather, with average highs around 89°F and lows near 61°F — a 28°F daily swing. Over 55 years of records, the warmest August 20th was in 1986 (88°F average), while the coldest was 2011 (66°F) — a 22°F range across recorded history. This date has historically been dry, with little recorded precipitation. 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 20th in Murrieta, CA? Stay hydrated and seek shade during peak afternoon hours.
| 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 | 89° | 63° | 76° | — | — |
| 2002 | 77° | 58° | 67° | — | — |
| 2001 | 86° | 61° | 73° | — | — |
| 2000 | 84° | 61° | 72° | — | — |
| 1999 | 89° | 65° | 77° | — | — |
| 1998 | 89° | 60° | 75° | — | — |
| 1997 | 92° | 65° | 78° | — | — |
| 1996 | 90° | 60° | 75° | — | — |
| 1995 | 88° | 64° | 76° | — | — |
| 1994 | 87° | 59° | 73° | — | — |
| 1993 | 86° | 60° | 73° | — | — |
| 1992 | 107° | 70° | 88° | — | — |
| 1991 | 98° | 59° | 79° | — | — |
| 1990 | 85° | 54° | 69° | — | — |
| 1989 | 88° | 58° | 73° | — | — |
| 1988 | 99° | 59° | 79° | — | — |
| 1987 | 95° | 53° | 74° | — | — |
| 1986warmest | 105° | 71° | 88° | — | — |
| 1985 | 96° | 55° | 76° | — | — |
| 1984 | 90° | 70° | 80° | — | — |
| 1983 | 84° | 65° | 74° | — | — |
| 1982 | 107° | 66° | 87° | — | — |
| 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 | 83° | 54° | 68° | — | — |
| 1974 | 87° | 57° | 72° | — | — |
| 1973 | 92° | 68° | 80° | — | — |
| 1972 | 90° | 56° | 73° | — | — |
| 1971 | 95° | 57° | 76° | — | — |
Murrieta, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Murrieta, CA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Murrieta, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Murrieta, CA
Murrieta, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.