Weather on August 17
Chula Vista, CA
55 Years of Data
Avg High
77°F
Avg Low
66°F
Warmest
1983
80°F avg
Coldest
1974
64°F avg
About This Date
August 17th in Chula Vista, CA typically brings pleasant summer weather, with average highs around 77°F and lows near 66°F. Over 55 years of records, the warmest August 17th was in 1983 (80°F average), while the coldest was 1974 (64°F) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 2% of August 17th dates historically, with the wettest August 17th recording 4.9" 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 August 17th in Chula Vista, CA? Great weather for outdoor activities.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 66° | 72° | — | — |
| 2024 | 75° | 67° | 71° | — | — |
| 2023 | 78° | 66° | 72° | — | — |
| 2022 | 78° | 66° | 72° | — | — |
| 2021 | 75° | 69° | 72° | — | — |
| 2020 | 81° | 70° | 75° | — | — |
| 2019 | 72° | 64° | 68° | — | — |
| 2018 | 78° | 71° | 75° | — | — |
| 2017 | 75° | 63° | 69° | — | — |
| 2016 | 86° | 64° | 75° | — | — |
| 2015 | 80° | 70° | 75° | — | — |
| 2014 | 83° | 68° | 75° | — | — |
| 2013 | 79° | 63° | 71° | — | — |
| 2012 | 82° | 70° | 76° | — | — |
| 2011 | 76° | 62° | 69° | — | — |
| 2010 | 76° | 65° | 70° | — | — |
| 2009 | 74° | 61° | 67° | — | — |
| 2008 | 87° | 74° | 80° | — | — |
| 2007 | 77° | 65° | 71° | — | — |
| 2006 | 77° | 60° | 69° | — | — |
| 2005 | 76° | 62° | 69° | — | — |
| 2004 | 77° | 59° | 68° | — | — |
| 2003 | 83° | 68° | 75° | — | — |
| 2002 | 72° | 65° | 68° | — | — |
| 2001 | 79° | 67° | 73° | — | — |
| 2000 | 79° | 70° | 74° | — | — |
| 1999 | 79° | 63° | 71° | — | — |
| 1998 | 77° | 70° | 73° | — | — |
| 1997 | 77° | 69° | 73° | — | — |
| 1996 | 78° | 67° | 72° | — | — |
| 1995 | 76° | 64° | 70° | — | — |
| 1994 | 80° | 71° | 76° | — | — |
| 1993 | 77° | 64° | 71° | — | — |
| 1992 | 87° | 72° | 79° | — | — |
| 1991 | 72° | 65° | 68° | — | — |
| 1990 | 76° | 66° | 71° | — | — |
| 1989 | 73° | 64° | 69° | — | — |
| 1988 | 73° | 63° | 68° | — | — |
| 1987 | 73° | 65° | 69° | — | — |
| 1986 | 78° | 64° | 71° | — | — |
| 1985 | 72° | 66° | 69° | — | — |
| 1984 | 81° | 71° | 76° | — | — |
| 1983warmest | 85° | 75° | 80° | — | — |
| 1982 | 74° | 60° | 67° | — | — |
| 1981 | 74° | 69° | 71° | — | — |
| 1980 | 71° | 67° | 69° | — | — |
| 1979 | 72° | 66° | 69° | — | — |
| 1978 | 72° | 62° | 67° | — | — |
| 1977 | 81° | 68° | 74° | 4.9" | — |
| 1976 | 71° | 60° | 66° | — | — |
| 1975 | 69° | 60° | 65° | — | — |
| 1974coldest | 70° | 59° | 64° | — | — |
| 1973 | 69° | 64° | 67° | — | — |
| 1972 | 72° | 58° | 65° | — | — |
| 1971 | 76° | 68° | 72° | — | — |
55 years of data from CHULA VISTA