Weather on July 21
Temecula, CA
55 Years of Data
Avg High
90°F
Avg Low
61°F
Warmest
1988
87°F avg
Coldest
1993
59°F avg
About This Date
July 21st in Temecula, CA typically brings hot summer weather, with average highs around 90°F and lows near 61°F — a 29°F daily swing. Over 51 years of records, the warmest July 21st was in 1988 (87°F average), while the coldest was 1993 (59°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 4% of July 21st dates historically. The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
Planning for July 21st in Temecula, CA? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 81° | 61° | 71° | — | — |
| 2024 | 87° | 64° | 76° | — | — |
| 2023 | 89° | 64° | 77° | — | — |
| 2022 | 91° | 62° | 76° | — | — |
| 2021 | 90° | 66° | 78° | — | — |
| 2020 | 85° | 60° | 72° | — | — |
| 2019 | 90° | 59° | 74° | — | — |
| 2018 | 89° | 64° | 76° | — | — |
| 2017 | 88° | 60° | 74° | — | — |
| 2016 | 101° | 71° | 86° | — | — |
| 2015 | 81° | 66° | 74° | — | — |
| 2014 | 86° | 62° | 74° | — | — |
| 2013 | 74° | 60° | 67° | 0.03" | — |
| 2012 | 90° | 60° | 75° | — | — |
| 2011 | 87° | 55° | 71° | 0.02" | — |
| 2010 | 77° | 60° | 69° | — | — |
| 2009 | 96° | 67° | 81° | — | — |
| 2008 | 84° | 58° | 71° | — | — |
| 2007 | 80° | 61° | 70° | — | — |
| 2006 | 97° | 74° | 85° | — | — |
| 2005 | 98° | 72° | 85° | — | — |
| 2004 | 90° | 63° | 76° | — | — |
| 2003 | 85° | 62° | 73° | — | — |
| 2002 | 78° | 50° | 64° | — | — |
| 2001 | 82° | 56° | 69° | — | — |
| 2000 | 81° | 57° | 69° | — | — |
| 1999 | 85° | 61° | 73° | — | — |
| 1998 | 85° | 62° | 73° | — | — |
| 1997 | 75° | 59° | 67° | — | — |
| 1996 | 91° | 66° | 79° | — | — |
| 1995 | 85° | 58° | 71° | — | — |
| 1994 | 83° | 58° | 70° | — | — |
| 1993coldest | 62° | 56° | 59° | — | — |
| 1992 | 96° | 60° | 78° | — | — |
| 1991 | 84° | 53° | 69° | — | — |
| 1990 | 94° | 66° | 80° | — | — |
| 1988warmest | 105° | 69° | 87° | — | — |
| 1987 | 78° | 57° | 68° | — | — |
| 1986 | 106° | 62° | 84° | — | — |
| 1985 | 97° | 61° | 79° | — | — |
| 1984 | 94° | 72° | 83° | — | — |
| 1983 | 103° | 60° | 81° | — | — |
| 1982 | 105° | 59° | 82° | — | — |
| 1981 | 102° | 58° | 80° | — | — |
| 1980 | 104° | 58° | 81° | — | — |
| 1978 | 103° | 57° | 80° | — | — |
| 1977 | 101° | 58° | 79° | — | — |
| 1976 | 96° | 56° | 76° | — | — |
| 1975 | 98° | 54° | 76° | — | — |
| 1974 | 92° | 62° | 77° | — | — |
| 1973 | 85° | 47° | 66° | — | — |
51 years of data from FALLBROOK 5 NE