Weather on March 20
Irvine, CA
55 Years of Data
Avg High
72°F
Avg Low
48°F
Warmest
2026
86°F avg
Coldest
2006
47°F avg
About This Date
March 20th in Irvine, CA typically brings pleasant spring weather, with average highs around 72°F and lows near 48°F. Over 56 years of records, the warmest March 20th was in 2026 (86°F average), while the coldest was 2006 (47°F) — a 39°F range across recorded history. Rain or other precipitation has occurred on about 16% of March 20th dates historically, with the wettest March 20th recording 1.83" of rain. The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
Planning for March 20th in Irvine, CA? Great weather for outdoor activities.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 94° | 79° | 86° | — | — |
| 2025 | 76° | 49° | 62° | — | — |
| 2024 | 76° | 50° | 63° | — | — |
| 2023 | 56° | 52° | 54° | 0.51" | — |
| 2022 | 76° | 54° | 65° | 1.14" | — |
| 2021 | 72° | 50° | 61° | — | — |
| 2020 | 63° | 49° | 56° | 0.25" | — |
| 2019 | 75° | 45° | 60° | — | — |
| 2018 | 75° | 49° | 62° | — | — |
| 2017 | 80° | 56° | 68° | — | — |
| 2016 | 72° | 55° | 63° | — | — |
| 2015 | 83° | 54° | 68° | — | — |
| 2014 | 79° | 48° | 63° | — | — |
| 2013 | 72° | 45° | 58° | — | — |
| 2012 | 72° | 39° | 55° | — | — |
| 2011 | 60° | 40° | 50° | — | — |
| 2010 | 84° | 45° | 64° | — | — |
| 2009 | 72° | 49° | 60° | — | — |
| 2008 | 72° | 44° | 58° | — | — |
| 2007 | 67° | 51° | 59° | — | — |
| 2006coldest | 51° | 42° | 47° | — | — |
| 2005 | 69° | 47° | 58° | — | — |
| 2004 | 81° | 52° | 66° | — | — |
| 2003 | 72° | 45° | 58° | — | — |
| 2002 | 74° | 40° | 57° | — | — |
| 2001 | 82° | 51° | 67° | — | — |
| 2000 | 68° | 47° | 57° | — | — |
| 1999 | 67° | 42° | 54° | 0.23" | — |
| 1998 | 78° | 50° | 64° | — | — |
| 1997 | 96° | 50° | 73° | — | — |
| 1996 | 74° | 53° | 63° | — | — |
| 1995 | 73° | 52° | 62° | — | — |
| 1994 | 69° | 53° | 61° | — | — |
| 1993 | 76° | 57° | 66° | — | — |
| 1992 | 63° | 44° | 53° | 1.3" | — |
| 1991 | 57° | 47° | 52° | 1.83" | — |
| 1990 | 88° | 50° | 69° | — | — |
| 1989 | 82° | 42° | 62° | — | — |
| 1988 | 90° | 48° | 69° | — | — |
| 1987 | 64° | 38° | 51° | — | — |
| 1986 | 78° | 43° | 60° | — | — |
| 1985 | 73° | 41° | 57° | — | — |
| 1984 | 83° | 46° | 64° | — | — |
| 1983 | 60° | — | — | — | — |
| 1982 | 68° | — | — | — | — |
| 1981 | 64° | 49° | 56° | 0.94" | — |
| 1980 | 72° | 41° | 56° | — | — |
| 1979 | 61° | 48° | 54° | 0.81" | — |
| 1978 | 71° | 56° | 63° | — | — |
| 1977 | 71° | 39° | 55° | — | — |
| 1976 | 68° | 40° | 54° | — | — |
| 1975 | 73° | 45° | 59° | — | — |
| 1974 | 63° | 54° | 58° | — | — |
| 1973 | 65° | 48° | 56° | 1.3" | — |
| 1972 | 67° | 51° | 59° | — | — |
| 1971 | 72° | 41° | 56° | — | — |
56 years of data from IRVINE RCH