Weather on May 20
Irvine, CA
55 Years of Data
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 56 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.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 86° | 65° | 75° | — | — |
| 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° | — | — |
Irvine, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Irvine, CA Monthly Precipitation
Average rainfall per month, in inches.
Irvine, 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 Irvine, CA
Irvine, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.