Weather on May 20
Garden Grove, CA
55 Years of Data
About This Date
May 20th in Garden Grove, CA typically brings pleasant spring weather, with average highs around 76°F and lows near 58°F. Over 55 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 5% 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.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 89° | 57° | 73° | — | — |
| 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° | — | — |
Garden Grove, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Garden Grove, CA Monthly Precipitation
Average rainfall per month, in inches.
Garden Grove, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Garden Grove, CA
Garden Grove, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.