Weather on May 18
Garden Grove, CA
55 Years of Data
Avg High
76°F
Avg Low
57°F
Warmest
2008
80°F avg
Coldest
1994
59°F avg
About This Date
May 18th in Garden Grove, CA typically brings pleasant spring weather, with average highs around 76°F and lows near 57°F. Over 55 years of records, the warmest May 18th was in 2008 (80°F average), while the coldest was 1994 (59°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 7% of May 18th dates historically, with the wettest May 18th recording 0.56" 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 May 18th in Garden Grove, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 73° | 58° | 65° | — | — |
| 2024 | 75° | 59° | 67° | — | — |
| 2023 | 73° | 60° | 67° | — | — |
| 2022 | 75° | 59° | 67° | — | — |
| 2021 | 76° | 59° | 67° | — | — |
| 2020 | 72° | 62° | 67° | 0.15" | — |
| 2019 | 74° | 54° | 64° | — | — |
| 2018 | 70° | 60° | 65° | — | — |
| 2017 | 77° | 56° | 66° | — | — |
| 2016 | 76° | 62° | 69° | — | — |
| 2015 | 71° | 58° | 64° | — | — |
| 2014 | 77° | 64° | 71° | — | — |
| 2013 | 74° | 60° | 67° | — | — |
| 2012 | 76° | 60° | 68° | — | — |
| 2011 | 67° | 52° | 59° | 0.56" | — |
| 2010 | 75° | 55° | 65° | 0.13" | — |
| 2009 | 83° | 61° | 72° | — | — |
| 2008warmest | 95° | 65° | 80° | — | — |
| 2007 | 75° | 58° | 66° | — | — |
| 2006 | 73° | 60° | 67° | — | — |
| 2005 | 78° | 58° | 68° | — | — |
| 2004 | 78° | 61° | 69° | — | — |
| 2003 | 74° | 58° | 66° | — | — |
| 2002 | 69° | 57° | 63° | 0.03" | — |
| 2001 | 73° | 59° | 66° | — | — |
| 2000 | 79° | 54° | 66° | — | — |
| 1999 | 75° | 55° | 65° | — | — |
| 1998 | 77° | 51° | 64° | — | — |
| 1997 | 76° | 64° | 70° | — | — |
| 1996 | 78° | 60° | 69° | — | — |
| 1995 | 74° | 57° | 65° | — | — |
| 1994coldest | 67° | 51° | 59° | — | — |
| 1993 | 77° | 57° | 67° | — | — |
| 1992 | 77° | 61° | 69° | — | — |
| 1991 | 69° | 52° | 60° | — | — |
| 1990 | 71° | 55° | 63° | — | — |
| 1989 | 70° | 60° | 65° | — | — |
| 1988 | 74° | 54° | 64° | — | — |
| 1987 | 73° | 61° | 67° | — | — |
| 1986 | 85° | 60° | 72° | — | — |
| 1985 | 71° | 52° | 61° | — | — |
| 1984 | 80° | 55° | 68° | — | — |
| 1983 | 88° | 58° | 73° | — | — |
| 1982 | 81° | 59° | 70° | — | — |
| 1981 | 78° | 57° | 68° | — | — |
| 1980 | 75° | 55° | 65° | — | — |
| 1979 | 71° | 56° | 63° | — | — |
| 1978 | 89° | 56° | 72° | — | — |
| 1977 | 74° | 51° | 62° | — | — |
| 1976 | 79° | 57° | 68° | — | — |
| 1975 | 75° | 52° | 63° | — | — |
| 1974 | 70° | 50° | 60° | — | — |
| 1973 | 72° | 56° | 64° | — | — |
| 1972 | 71° | 57° | 64° | — | — |
| 1971 | 86° | 54° | 70° | — | — |
55 years of data from SANTA ANA FIRE STN