Weather on May 18
Temecula, CA
55 Years of Data
Avg High
77°F
Avg Low
52°F
Warmest
2008
83°F avg
Coldest
1994
51°F avg
About This Date
May 18th in Temecula, CA typically brings pleasant spring weather, with average highs around 77°F and lows near 52°F — a 25°F daily swing. Over 50 years of records, the warmest May 18th was in 2008 (83°F average), while the coldest was 1994 (51°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 2% of May 18th dates historically, with the wettest May 18th recording 0.72" of rain. 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 18th in Temecula, CA? Great weather for outdoor activities.
Cooling Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 73° | 53° | 63° | — | — |
| 2024 | 76° | 55° | 65° | — | — |
| 2023 | 71° | 51° | 61° | — | — |
| 2022 | 77° | 54° | 65° | — | — |
| 2021 | 74° | 55° | 64° | — | — |
| 2020 | 71° | 56° | 64° | — | — |
| 2019 | 72° | 47° | 60° | — | — |
| 2018 | 72° | 53° | 63° | — | — |
| 2017 | 75° | 51° | 63° | — | — |
| 2016 | 77° | 55° | 66° | — | — |
| 2015 | 70° | 53° | 61° | — | — |
| 2014 | 78° | 59° | 69° | — | — |
| 2013 | 77° | 54° | 65° | — | — |
| 2012 | 73° | 54° | 63° | — | — |
| 2011 | 62° | 50° | 56° | 0.72" | — |
| 2010 | 72° | 51° | 61° | — | — |
| 2009 | 86° | 56° | 71° | — | — |
| 2008warmest | 96° | 71° | 83° | — | — |
| 2007 | 71° | 56° | 63° | — | — |
| 2006 | 72° | 55° | 63° | — | — |
| 2005 | 75° | 51° | 63° | — | — |
| 2004 | 74° | 53° | 63° | — | — |
| 2003 | 72° | 51° | 61° | — | — |
| 2002 | 68° | 52° | 60° | — | — |
| 2001 | 72° | 54° | 63° | — | — |
| 2000 | 81° | 52° | 66° | — | — |
| 1999 | 77° | 49° | 63° | — | — |
| 1998 | 78° | 52° | 65° | — | — |
| 1997 | 74° | 56° | 65° | — | — |
| 1996 | 79° | 54° | 66° | — | — |
| 1995 | 75° | 51° | 63° | — | — |
| 1994coldest | 60° | 43° | 51° | — | — |
| 1993 | 75° | 56° | 65° | — | — |
| 1992 | 89° | 54° | 71° | — | — |
| 1991 | 66° | 45° | 55° | — | — |
| 1990 | 78° | 52° | 65° | — | — |
| 1989 | 72° | 51° | 61° | — | — |
| 1988 | 80° | 53° | 67° | — | — |
| 1986 | 98° | 55° | 77° | — | — |
| 1984 | 91° | 48° | 70° | — | — |
| 1983 | 89° | 44° | 67° | — | — |
| 1982 | 79° | 50° | 64° | — | — |
| 1981 | 88° | 69° | 78° | — | — |
| 1979 | 84° | 46° | 65° | — | — |
| 1978 | 91° | 45° | 68° | — | — |
| 1977 | 75° | 40° | 57° | — | — |
| 1976 | 90° | 51° | 70° | — | — |
| 1975 | 82° | 52° | 67° | — | — |
| 1974 | 66° | 54° | 60° | — | — |
| 1973 | 94° | 52° | 73° | — | — |
50 years of data from FALLBROOK 5 NE