Weather on May 20
Temecula, CA
55 Years of Data
Avg High
78°F
Avg Low
52°F
Warmest
2017
79°F avg
Coldest
1975
53°F avg
About This Date
May 20th 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 20th was in 2017 (79°F average), while the coldest was 1975 (53°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 12% of May 20th dates historically, with the wettest May 20th recording 0.79" of rain. The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
Planning for May 20th in Temecula, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 91° | 58° | 74° | — | — |
| 2024 | 73° | 50° | 61° | — | — |
| 2023 | 73° | 56° | 65° | — | — |
| 2022 | 63° | 54° | 58° | 0.03" | — |
| 2021 | 68° | 52° | 60° | — | — |
| 2020 | 76° | 48° | 62° | — | — |
| 2019 | 65° | 50° | 57° | 0.79" | — |
| 2018 | 66° | 55° | 60° | — | — |
| 2017warmest | 98° | 61° | 79° | — | — |
| 2016 | 68° | 54° | 61° | — | — |
| 2015 | 71° | 51° | 61° | — | — |
| 2014 | 72° | 53° | 62° | — | — |
| 2013 | 85° | 55° | 70° | — | — |
| 2012 | 86° | 53° | 70° | — | — |
| 2011 | 72° | 49° | 61° | — | — |
| 2010 | 78° | 53° | 65° | — | — |
| 2009 | 87° | 55° | 71° | 0.03" | — |
| 2008 | 75° | 55° | 65° | 0.02" | — |
| 2007 | 71° | 54° | 62° | — | — |
| 2006 | 77° | 52° | 64° | — | — |
| 2005 | 86° | 63° | 74° | — | — |
| 2004 | 69° | 51° | 60° | — | — |
| 2003 | 90° | 62° | 76° | — | — |
| 2002 | 63° | 47° | 55° | — | — |
| 2001 | 77° | 54° | 65° | — | — |
| 2000 | 91° | 61° | 76° | — | — |
| 1999 | 69° | 48° | 59° | — | — |
| 1998 | 67° | 49° | 58° | — | — |
| 1997 | 75° | 56° | 65° | — | — |
| 1996 | 74° | 54° | 64° | — | — |
| 1995 | 66° | 50° | 58° | — | — |
| 1994 | 74° | 46° | 60° | — | — |
| 1993 | 70° | 59° | 64° | — | — |
| 1992 | 74° | 55° | 64° | — | — |
| 1991 | 75° | 42° | 59° | — | — |
| 1990 | 74° | 51° | 62° | — | — |
| 1989 | 88° | 51° | 69° | — | — |
| 1988 | 96° | 50° | 73° | — | — |
| 1987 | 70° | 52° | 61° | — | — |
| 1986 | 99° | 50° | 74° | — | — |
| 1984 | 101° | 52° | 76° | — | — |
| 1983 | 93° | 43° | 68° | — | — |
| 1982 | 84° | 46° | 65° | — | — |
| 1981 | 68° | 41° | 55° | 0.13" | — |
| 1980 | 83° | 65° | 74° | — | — |
| 1979 | 72° | 53° | 62° | 0.03" | — |
| 1978 | 91° | 51° | 71° | — | — |
| 1977 | 86° | 37° | 62° | — | — |
| 1976 | 80° | 49° | 64° | — | — |
| 1975coldest | 64° | 42° | 53° | — | — |
| 1974 | 80° | 37° | 59° | — | — |
| 1973 | 85° | 52° | 68° | — | — |
52 years of data from FALLBROOK 5 NE