Weather on August 31
Murrieta, CA
55 Years of Data
Avg High
93°F
Avg Low
63°F
Warmest
2017
94°F avg
Coldest
2021
65°F avg
About This Date
August 31st in Murrieta, CA typically brings hot summer weather, with average highs around 93°F and lows near 63°F — a 30°F daily swing. Over 54 years of records, the warmest August 31st was in 2017 (94°F average), while the coldest was 2021 (65°F) — a 29°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
Planning for August 31st in Murrieta, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 95° | 71° | 83° | — | — |
| 2024 | 87° | 65° | 76° | — | — |
| 2023 | 85° | 63° | 74° | — | — |
| 2022 | 104° | 79° | 91° | — | — |
| 2021coldest | 72° | 59° | 65° | — | — |
| 2020 | 81° | 57° | 69° | — | — |
| 2019 | 96° | 69° | 83° | — | — |
| 2018 | 86° | 61° | 73° | — | — |
| 2017warmest | 105° | 82° | 94° | — | — |
| 2016 | 94° | 68° | 81° | — | — |
| 2015 | 82° | 60° | 71° | — | — |
| 2014 | 89° | 65° | 77° | — | — |
| 2013 | 90° | 69° | 79° | — | — |
| 2012 | 92° | 68° | 80° | — | — |
| 2011 | 85° | 62° | 73° | — | — |
| 2010 | 80° | 56° | 68° | — | — |
| 2009 | 97° | 66° | 81° | — | — |
| 2008 | 83° | 60° | 71° | — | — |
| 2007 | 102° | 77° | 90° | — | — |
| 2006 | 94° | 67° | 80° | — | — |
| 2005 | 83° | 61° | 72° | — | — |
| 2004 | 97° | 69° | 83° | — | — |
| 2003 | 88° | 65° | 76° | — | — |
| 2002 | 102° | 71° | 87° | — | — |
| 2001 | 84° | 60° | 72° | — | — |
| 2000 | 75° | 57° | 66° | — | — |
| 1999 | 84° | 54° | 69° | — | — |
| 1998 | 101° | 77° | 89° | — | — |
| 1997 | 90° | 62° | 76° | — | — |
| 1996 | 93° | 69° | 81° | — | — |
| 1995 | 101° | 75° | 88° | — | — |
| 1994 | 81° | 56° | 68° | — | — |
| 1993 | 79° | 59° | 69° | — | — |
| 1992 | 83° | 53° | 68° | — | — |
| 1991 | 105° | 60° | 83° | — | — |
| 1990 | 95° | 59° | 77° | — | — |
| 1989 | 95° | 52° | 73° | — | — |
| 1988 | 100° | 64° | 82° | — | — |
| 1987 | 102° | 63° | 82° | — | — |
| 1986 | 93° | 53° | 73° | — | — |
| 1985 | 104° | 64° | 84° | — | — |
| 1984 | 98° | 67° | 82° | — | — |
| 1983 | 104° | 61° | 82° | — | — |
| 1982 | 101° | 61° | 81° | — | — |
| 1981 | — | 70° | — | — | — |
| 1980 | 96° | 52° | 74° | — | — |
| 1979 | 90° | 59° | 74° | — | — |
| 1978 | — | 57° | — | — | — |
| 1977 | 103° | 60° | 81° | — | — |
| 1976 | 100° | 66° | 83° | — | — |
| 1975 | 101° | 50° | 75° | — | — |
| 1974 | 100° | 52° | 76° | — | — |
| 1973 | 89° | 55° | 72° | — | — |
| 1972 | 100° | 60° | 80° | — | — |
54 years of data from SANTA ROSA PLATEAU CALIFORNIA