Weather on May 20
Garden Grove, CA
55 Years of Data
Avg High
75°F
Avg Low
58°F
Warmest
2017
77°F avg
Coldest
1975
57°F avg
About This Date
May 20th in Garden Grove, CA typically brings pleasant spring weather, with average highs around 75°F and lows near 58°F. Over 54 years of records, the warmest May 20th was in 2017 (77°F average), while the coldest was 1975 (57°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 6% of May 20th 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 20th in Garden Grove, CA? Great weather for outdoor activities.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 88° | 59° | 73° | — | — |
| 2024 | 71° | 58° | 64° | — | — |
| 2023 | 75° | 61° | 68° | — | — |
| 2022 | 68° | 59° | 64° | 0.05" | — |
| 2021 | 73° | 59° | 66° | — | — |
| 2020 | 76° | 57° | 66° | — | — |
| 2019 | 70° | 56° | 63° | 0.03" | — |
| 2018 | 70° | 60° | 65° | — | — |
| 2017warmest | 93° | 60° | 77° | — | — |
| 2016 | 72° | 60° | 66° | — | — |
| 2015 | 73° | 58° | 65° | — | — |
| 2014 | 73° | 60° | 67° | — | — |
| 2013 | 80° | 60° | 70° | — | — |
| 2012 | 83° | 62° | 72° | — | — |
| 2011 | 75° | 55° | 65° | — | — |
| 2010 | 78° | 55° | 67° | — | — |
| 2009 | 84° | 58° | 71° | — | — |
| 2008 | 86° | 61° | 73° | — | — |
| 2007 | 71° | 58° | 64° | — | — |
| 2006 | 78° | 63° | 70° | — | — |
| 2005 | 86° | 60° | 73° | — | — |
| 2004 | 74° | 57° | 65° | — | — |
| 2003 | 80° | 55° | 68° | — | — |
| 2002 | 61° | 70° | 65° | — | — |
| 2001 | 75° | 59° | 67° | — | — |
| 2000 | 82° | 56° | 69° | — | — |
| 1999 | 71° | 56° | 63° | — | — |
| 1998 | 71° | 55° | 63° | — | — |
| 1997 | 77° | 63° | 70° | — | — |
| 1996 | 75° | 58° | 66° | — | — |
| 1995 | 69° | 56° | 62° | — | — |
| 1994 | 74° | 51° | 62° | — | — |
| 1993 | 75° | 62° | 69° | — | — |
| 1992 | 74° | 61° | 67° | — | — |
| 1991 | 69° | 50° | 60° | — | — |
| 1990 | 73° | 54° | 63° | — | — |
| 1989 | 80° | 56° | 68° | — | — |
| 1988 | 85° | 61° | 73° | — | — |
| 1987 | 66° | 59° | 63° | — | — |
| 1986 | 74° | 59° | 66° | — | — |
| 1985 | 72° | 59° | 65° | — | — |
| 1984 | 78° | 57° | 68° | — | — |
| 1983 | 86° | 63° | 74° | — | — |
| 1982 | 74° | 58° | 66° | — | — |
| 1981 | 69° | 54° | 61° | — | — |
| 1980 | 70° | 58° | 64° | — | — |
| 1979 | 69° | 56° | 62° | — | — |
| 1978 | 85° | 59° | 72° | — | — |
| 1977 | 78° | 55° | 67° | — | — |
| 1975coldest | 63° | 52° | 57° | 0.25" | — |
| 1974 | 74° | 49° | 61° | — | — |
| 1973 | 70° | 57° | 63° | — | — |
| 1972 | 69° | 48° | 59° | — | — |
| 1971 | 79° | 55° | 67° | — | — |
54 years of data from SANTA ANA FIRE STN