Weather on May 18
Chula Vista, CA
55 Years of Data
Avg High
69°F
Avg Low
58°F
Warmest
2008
75°F avg
Coldest
1977
56°F avg
About This Date
May 18th in Chula Vista, CA typically brings mild spring weather, with average highs around 69°F and lows near 58°F. Over 55 years of records, the warmest May 18th was in 2008 (75°F average), while the coldest was 1977 (56°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 2% of May 18th 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 May 18th in Chula Vista, CA? Great weather for outdoor activities.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 68° | 59° | 64° | — | — |
| 2024 | 69° | 61° | 65° | — | — |
| 2023 | 67° | 58° | 62° | — | — |
| 2022 | 66° | 58° | 62° | — | — |
| 2021 | 67° | 59° | 63° | — | — |
| 2020 | 72° | 62° | 67° | — | — |
| 2019 | 69° | 51° | 60° | — | — |
| 2018 | 66° | 59° | 63° | — | — |
| 2017 | 67° | 57° | 62° | — | — |
| 2016 | 71° | 63° | 67° | — | — |
| 2015 | 67° | 60° | 63° | — | — |
| 2014 | 71° | 63° | 67° | — | — |
| 2013 | 68° | 59° | 64° | — | — |
| 2012 | 72° | 59° | 65° | — | — |
| 2011 | 67° | 56° | 61° | 0.48" | — |
| 2010 | 68° | 58° | 63° | — | — |
| 2009 | 71° | 59° | 65° | — | — |
| 2008warmest | 89° | 60° | 75° | — | — |
| 2007 | 67° | 57° | 62° | — | — |
| 2006 | 75° | 61° | 68° | — | — |
| 2005 | 71° | 59° | 65° | — | — |
| 2004 | 70° | 58° | 64° | — | — |
| 2003 | 64° | 58° | 61° | — | — |
| 2002 | 64° | 51° | 58° | — | — |
| 2001 | 70° | 59° | 64° | — | — |
| 2000 | 69° | 56° | 62° | — | — |
| 1999 | 67° | 52° | 59° | — | — |
| 1998 | 67° | 52° | 59° | — | — |
| 1997 | 72° | 65° | 68° | — | — |
| 1996 | 77° | 61° | 69° | — | — |
| 1995 | 71° | 59° | 65° | — | — |
| 1994 | 66° | 55° | 61° | — | — |
| 1993 | 74° | 60° | 67° | — | — |
| 1992 | 71° | 63° | 67° | — | — |
| 1991 | 68° | 52° | 60° | — | — |
| 1990 | 66° | 60° | 63° | — | — |
| 1989 | 70° | 60° | 65° | — | — |
| 1988 | 69° | 58° | 63° | — | — |
| 1987 | 69° | 61° | 65° | — | — |
| 1986 | 80° | 61° | 70° | — | — |
| 1985 | 69° | 52° | 60° | — | — |
| 1984 | 71° | 52° | 61° | — | — |
| 1983 | 86° | 54° | 70° | — | — |
| 1982 | 69° | 59° | 64° | — | — |
| 1981 | 68° | 50° | 59° | — | — |
| 1980 | 67° | 59° | 63° | — | — |
| 1979 | 64° | 55° | 60° | — | — |
| 1978 | 80° | 57° | 69° | — | — |
| 1977coldest | 63° | 49° | 56° | — | — |
| 1976 | 65° | 58° | 61° | — | — |
| 1975 | 64° | 58° | 61° | — | — |
| 1974 | 63° | 57° | 60° | — | — |
| 1973 | 64° | 57° | 61° | — | — |
| 1972 | 64° | 59° | 62° | — | — |
| 1971 | 68° | 51° | 60° | — | — |
55 years of data from CHULA VISTA