Weather on July 20
Vista, CA
55 Years of Data
Avg High
78°F
Avg Low
63°F
Warmest
1974
77°F avg
Coldest
2001
65°F avg
About This Date
July 20th in Vista, CA typically brings pleasant summer weather, with average highs around 78°F and lows near 63°F. Over 55 years of records, the warmest July 20th was in 1974 (77°F average), while the coldest was 2001 (65°F) — a 12°F range across recorded history. Rain or other precipitation has occurred on about 2% of July 20th dates historically. The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
Planning for July 20th in Vista, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 72° | 65° | 68° | — | — |
| 2024 | 75° | 64° | 70° | — | — |
| 2023 | 78° | 67° | 72° | — | — |
| 2022 | 78° | 66° | 72° | — | — |
| 2021 | 78° | 67° | 72° | — | — |
| 2020 | 72° | 63° | 67° | — | — |
| 2019 | 74° | 67° | 70° | — | — |
| 2018 | 73° | 66° | 70° | — | — |
| 2017 | 77° | 68° | 73° | — | — |
| 2016 | 81° | 67° | 74° | — | — |
| 2015 | 78° | 70° | 74° | — | — |
| 2014 | 75° | 67° | 71° | — | — |
| 2013 | 71° | 65° | 68° | — | — |
| 2012 | 77° | 66° | 72° | — | — |
| 2011 | 75° | 66° | 71° | — | — |
| 2010 | 68° | 65° | 66° | — | — |
| 2009 | 79° | 68° | 73° | — | — |
| 2008 | 70° | 64° | 67° | — | — |
| 2007 | 72° | 63° | 67° | — | — |
| 2006 | 77° | 70° | 73° | — | — |
| 2005 | 87° | 65° | 76° | — | — |
| 2004 | 80° | 65° | 72° | — | — |
| 2003 | 79° | 66° | 72° | — | — |
| 2002 | 70° | 61° | 65° | — | — |
| 2001coldest | 70° | 60° | 65° | — | — |
| 2000 | 74° | 63° | 68° | — | — |
| 1999 | 73° | 64° | 69° | — | — |
| 1998 | 76° | 65° | 70° | 0.3" | — |
| 1997 | 76° | 59° | 67° | — | — |
| 1996 | 83° | 59° | 71° | — | — |
| 1995 | 84° | 55° | 70° | — | — |
| 1994 | 79° | 63° | 71° | — | — |
| 1993 | 79° | 63° | 71° | — | — |
| 1992 | 88° | 65° | 76° | — | — |
| 1991 | 74° | 62° | 68° | — | — |
| 1990 | 85° | 67° | 76° | — | — |
| 1989 | 83° | 63° | 73° | — | — |
| 1988 | 83° | 63° | 73° | — | — |
| 1987 | 76° | 60° | 68° | — | — |
| 1986 | 85° | 57° | 71° | — | — |
| 1985 | 89° | 65° | 77° | — | — |
| 1984 | 84° | 65° | 74° | — | — |
| 1983 | 90° | 59° | 74° | — | — |
| 1982 | 91° | 60° | 76° | — | — |
| 1981 | 86° | 60° | 73° | — | — |
| 1980 | 77° | 58° | 67° | — | — |
| 1979 | 74° | 62° | 68° | — | — |
| 1978 | 83° | 60° | 71° | — | — |
| 1977 | 80° | 60° | 70° | — | — |
| 1976 | 78° | 63° | 70° | — | — |
| 1975 | 75° | 58° | 66° | — | — |
| 1974warmest | 90° | 64° | 77° | — | — |
| 1973 | — | 55° | — | — | — |
| 1972 | 76° | 61° | 68° | — | — |
| 1971 | 79° | 63° | 71° | — | — |
55 years of data from CARLSBAD MCCLELLAN PALOMAR AP