Weather on July 31
Vista, CA
55 Years of Data
Avg High
79°F
Avg Low
64°F
Warmest
1980
83°F avg
Coldest
1999
66°F avg
About This Date
July 31st in Vista, CA typically brings pleasant summer weather, with average highs around 79°F and lows near 64°F. Over 55 years of records, the warmest July 31st was in 1980 (83°F average), while the coldest was 1999 (66°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 7% of July 31st 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 July 31st in Vista, CA? Great weather for outdoor activities.
Cooling Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 71° | 63° | 67° | — | — |
| 2024 | 72° | 61° | 66° | — | — |
| 2023 | 81° | 70° | 75° | 0.15" | — |
| 2022 | 79° | 68° | 73° | — | — |
| 2021 | 71° | 61° | 66° | — | — |
| 2020 | 77° | 64° | 71° | — | — |
| 2019 | 74° | 66° | 70° | — | — |
| 2018 | 78° | 68° | 73° | — | — |
| 2017 | 73° | 68° | 71° | — | — |
| 2016 | 78° | 69° | 74° | — | — |
| 2015 | 77° | 69° | 73° | — | — |
| 2014 | 78° | 69° | 74° | — | — |
| 2013 | 70° | 64° | 67° | — | — |
| 2012 | 72° | 65° | 68° | — | — |
| 2011 | 75° | 67° | 71° | 0.03" | — |
| 2010 | 70° | 62° | 66° | — | — |
| 2009 | 76° | 68° | 72° | — | — |
| 2008 | 73° | 64° | 69° | — | — |
| 2007 | 73° | 65° | 69° | — | — |
| 2006 | 75° | 68° | 72° | 0.08" | — |
| 2005 | 77° | 67° | 72° | — | — |
| 2004 | 72° | 63° | 67° | — | — |
| 2003 | 76° | 67° | 71° | — | — |
| 2002 | 73° | 62° | 68° | — | — |
| 2001 | 72° | 63° | 67° | — | — |
| 2000 | 84° | 64° | 74° | — | — |
| 1999coldest | 71° | 61° | 66° | — | — |
| 1998 | 73° | 61° | 67° | — | — |
| 1997 | 82° | 55° | 69° | — | — |
| 1996 | 89° | 64° | 77° | — | — |
| 1995 | 83° | 63° | 73° | — | — |
| 1994 | 80° | 63° | 71° | — | — |
| 1993 | 84° | 59° | 72° | — | — |
| 1992 | 84° | 64° | 74° | — | — |
| 1991 | 78° | 62° | 70° | 0.23" | — |
| 1990 | 87° | 60° | 74° | — | — |
| 1989 | 82° | 61° | 71° | — | — |
| 1988 | 79° | 63° | 71° | — | — |
| 1987 | 87° | 57° | 72° | — | — |
| 1986 | 85° | 58° | 71° | — | — |
| 1985 | 82° | 61° | 71° | — | — |
| 1984 | 85° | 68° | 76° | — | — |
| 1983 | 83° | 62° | 72° | — | — |
| 1982 | 83° | 63° | 73° | — | — |
| 1981 | 80° | 62° | 71° | — | — |
| 1980warmest | 95° | 72° | 83° | — | — |
| 1979 | 90° | 58° | 74° | — | — |
| 1978 | 79° | 58° | 68° | — | — |
| 1977 | 86° | 66° | 76° | — | — |
| 1976 | 79° | 62° | 70° | — | — |
| 1975 | 79° | 60° | 69° | — | — |
| 1974 | 80° | 61° | 70° | — | — |
| 1973 | 81° | 59° | 70° | — | — |
| 1972 | 95° | 65° | 80° | — | — |
| 1971 | 85° | 63° | 74° | — | — |
55 years of data from CARLSBAD MCCLELLAN PALOMAR AP