Weather on May 21
Temecula, CA
55 Years of Data
Avg High
78°F
Avg Low
52°F
Warmest
2003
81°F avg
Coldest
1987
45°F avg
About This Date
May 21st in Temecula, CA typically brings pleasant spring weather, with average highs around 78°F and lows near 52°F — a 26°F daily swing. Over 52 years of records, the warmest May 21st was in 2003 (81°F average), while the coldest was 1987 (45°F) — a 36°F range across recorded history. Rain or other precipitation has occurred on about 8% of May 21st dates historically. 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 May 21st in Temecula, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 91° | 57° | 74° | — | — |
| 2024 | 73° | 52° | 63° | — | — |
| 2023 | 78° | 56° | 67° | — | — |
| 2022 | 70° | 55° | 63° | — | — |
| 2021 | 67° | 50° | 58° | — | — |
| 2020 | 84° | 54° | 69° | — | — |
| 2019 | 63° | 51° | 57° | — | — |
| 2018 | 67° | 53° | 60° | 0.06" | — |
| 2017 | 88° | 60° | 74° | — | — |
| 2016 | 69° | 52° | 60° | — | — |
| 2015 | 68° | 52° | 60° | 0.08" | — |
| 2014 | 73° | 53° | 63° | — | — |
| 2013 | 83° | 55° | 69° | — | — |
| 2012 | 87° | 55° | 71° | — | — |
| 2011 | 76° | 53° | 65° | — | — |
| 2010 | 72° | 53° | 63° | — | — |
| 2009 | 79° | 51° | 65° | 0.06" | — |
| 2008 | 70° | 54° | 62° | 0.02" | — |
| 2007 | 61° | 53° | 57° | — | — |
| 2006 | 67° | 52° | 59° | — | — |
| 2005 | 89° | 66° | 78° | — | — |
| 2004 | 67° | 50° | 58° | — | — |
| 2003warmest | 95° | 67° | 81° | — | — |
| 2002 | 62° | 45° | 53° | — | — |
| 2001 | 76° | 55° | 65° | — | — |
| 2000 | 96° | 59° | 78° | — | — |
| 1999 | 63° | 47° | 55° | — | — |
| 1998 | 69° | 48° | 59° | — | — |
| 1997 | 78° | 54° | 66° | — | — |
| 1996 | 69° | 53° | 61° | — | — |
| 1995 | 66° | 50° | 58° | — | — |
| 1994 | 75° | 49° | 62° | — | — |
| 1993 | 70° | 58° | 64° | — | — |
| 1992 | 77° | 56° | 66° | — | — |
| 1991 | 74° | 50° | 62° | — | — |
| 1990 | 90° | 50° | 70° | — | — |
| 1989 | 93° | 48° | 71° | — | — |
| 1988 | 97° | 52° | 74° | — | — |
| 1987coldest | 70° | 20° | 45° | — | — |
| 1986 | 99° | 51° | 75° | — | — |
| 1984 | 86° | 50° | 68° | — | — |
| 1983 | 91° | 50° | 71° | — | — |
| 1982 | 80° | 47° | 63° | — | — |
| 1981 | 79° | 43° | 61° | — | — |
| 1980 | 69° | 64° | 67° | — | — |
| 1979 | 77° | 54° | 65° | — | — |
| 1978 | 84° | 53° | 69° | — | — |
| 1977 | 88° | 47° | 67° | — | — |
| 1976 | 80° | 48° | 64° | — | — |
| 1975 | 67° | 38° | 52° | — | — |
| 1974 | 91° | 44° | 68° | — | — |
| 1973 | 81° | 54° | 67° | — | — |
52 years of data from FALLBROOK 5 NE