Weather on May 20
Irvine, CA
55 Years of Data
Avg High
76°F
Avg Low
55°F
Warmest
2017
76°F avg
Coldest
1972
52°F avg
About This Date
May 20th in Irvine, CA typically brings pleasant spring weather, with average highs around 76°F and lows near 55°F. Over 55 years of records, the warmest May 20th was in 2017 (76°F average), while the coldest was 1972 (52°F) — a 24°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 Irvine, CA? Great weather for outdoor activities.
Warming Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 90° | 55° | 72° | — | — |
| 2024 | 69° | 57° | 63° | — | — |
| 2023 | 71° | 58° | 64° | — | — |
| 2022 | 67° | 57° | 62° | — | — |
| 2021 | 74° | 58° | 66° | — | — |
| 2020 | 79° | 53° | 66° | — | — |
| 2019 | 70° | 52° | 61° | — | — |
| 2018 | 70° | 58° | 64° | — | — |
| 2017warmest | 95° | 58° | 76° | — | — |
| 2016 | 76° | 60° | 68° | — | — |
| 2015 | 76° | 57° | 66° | — | — |
| 2014 | 71° | 55° | 63° | — | — |
| 2013 | 86° | 51° | 69° | — | — |
| 2012 | 84° | 52° | 68° | — | — |
| 2011 | 76° | 61° | 68° | — | — |
| 2010 | 82° | 48° | 65° | — | — |
| 2009 | 87° | 54° | 70° | — | — |
| 2008 | 87° | 63° | 75° | — | — |
| 2007 | 75° | 55° | 65° | — | — |
| 2006 | 81° | 58° | 69° | — | — |
| 2005 | 89° | 56° | 72° | — | — |
| 2004 | 78° | 55° | 67° | — | — |
| 2003 | 84° | 53° | 69° | — | — |
| 2002 | 62° | 53° | 58° | 0.25" | — |
| 2001 | 74° | 57° | 65° | — | — |
| 2000 | 83° | 50° | 66° | — | — |
| 1999 | 72° | 59° | 65° | — | — |
| 1998 | 78° | 53° | 66° | — | — |
| 1997 | 82° | 64° | 73° | — | — |
| 1996 | 77° | 57° | 67° | — | — |
| 1995 | 68° | 57° | 63° | — | — |
| 1994 | 75° | 46° | 61° | — | — |
| 1993 | 75° | 61° | 68° | — | — |
| 1992 | 76° | 56° | 66° | — | — |
| 1991 | 71° | 49° | 60° | — | — |
| 1990 | 70° | 47° | 58° | — | — |
| 1989 | 80° | 49° | 64° | — | — |
| 1988 | 87° | 59° | 73° | — | — |
| 1987 | 67° | 58° | 62° | — | — |
| 1986 | 73° | 58° | 65° | — | — |
| 1985 | 74° | 59° | 66° | — | — |
| 1984 | 75° | 56° | 65° | — | — |
| 1983 | 83° | 52° | 67° | — | — |
| 1982 | 71° | 53° | 62° | — | — |
| 1981 | 75° | 53° | 64° | — | — |
| 1980 | 64° | 51° | 58° | — | — |
| 1979 | 68° | 58° | 63° | — | — |
| 1978 | 88° | 56° | 72° | — | — |
| 1977 | 74° | 48° | 61° | — | — |
| 1976 | 73° | 51° | 62° | — | — |
| 1975 | 62° | 52° | 57° | 0.08" | — |
| 1974 | 69° | 44° | 57° | — | — |
| 1973 | 67° | 57° | 62° | — | — |
| 1972coldest | 63° | 42° | 52° | 0.18" | — |
| 1971 | 78° | 49° | 63° | — | — |
55 years of data from IRVINE RCH