Weather on March 31
Irvine, CA
55 Years of Data
Avg High
73°F
Avg Low
46°F
Warmest
2011
73°F avg
Coldest
1996
40°F avg
About This Date
March 31st in Irvine, CA typically brings pleasant spring weather, with average highs around 73°F and lows near 46°F — a 27°F daily swing. Over 56 years of records, the warmest March 31st was in 2011 (73°F average), while the coldest was 1996 (40°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 7% of March 31st dates historically, with the wettest March 31st recording 2.08" of rain. The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
Planning for March 31st in Irvine, CA? Great weather for outdoor activities.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 66° | 57° | 62° | — | — |
| 2025 | 69° | 54° | 61° | 0.13" | — |
| 2024 | 57° | 50° | 54° | 1.73" | — |
| 2023 | 63° | 37° | 50° | — | — |
| 2022 | 67° | 55° | 61° | — | — |
| 2021 | 89° | 50° | 70° | — | — |
| 2020 | 77° | 50° | 64° | — | — |
| 2019 | 81° | 52° | 66° | — | — |
| 2018 | 82° | 58° | 70° | — | — |
| 2017 | 73° | 49° | 61° | — | — |
| 2016 | 74° | 44° | 59° | — | — |
| 2015 | 79° | 52° | 65° | — | — |
| 2014 | 72° | 46° | 59° | — | — |
| 2013 | 73° | 48° | 61° | — | — |
| 2012 | 70° | 47° | 58° | — | — |
| 2011warmest | 93° | 54° | 73° | — | — |
| 2010 | 65° | 48° | 56° | — | — |
| 2009 | 77° | 44° | 61° | — | — |
| 2008 | 68° | 43° | 55° | — | — |
| 2007 | 82° | 45° | 63° | — | — |
| 2006 | 55° | 44° | 50° | — | — |
| 2005 | 79° | 50° | 64° | — | — |
| 2004 | 76° | 49° | 62° | — | — |
| 2003 | 88° | 49° | 68° | — | — |
| 2002 | 66° | 45° | 55° | — | — |
| 2001 | 72° | 57° | 64° | — | — |
| 2000 | 80° | 45° | 62° | — | — |
| 1999 | 66° | 50° | 58° | — | — |
| 1998 | 68° | 44° | 56° | — | — |
| 1997 | 73° | 57° | 65° | — | — |
| 1996coldest | 76° | 4° | 40° | — | — |
| 1995 | 83° | 41° | 62° | — | — |
| 1994 | 75° | 49° | 62° | — | — |
| 1993 | 73° | 45° | 59° | — | — |
| 1992 | 64° | 47° | 55° | 0.66" | — |
| 1991 | 68° | 48° | 58° | — | — |
| 1990 | 67° | 44° | 55° | — | — |
| 1989 | 83° | 49° | 66° | — | — |
| 1988 | 77° | 50° | 64° | — | — |
| 1987 | 81° | 43° | 62° | — | — |
| 1986 | 72° | 53° | 62° | — | — |
| 1985 | 81° | 41° | 61° | — | — |
| 1984 | 65° | 46° | 55° | — | — |
| 1983 | 72° | 47° | 59° | — | — |
| 1982 | 63° | 39° | 51° | — | — |
| 1981 | 74° | 43° | 58° | — | — |
| 1980 | 74° | 42° | 58° | — | — |
| 1979 | 76° | 42° | 59° | — | — |
| 1978 | 67° | 53° | 60° | 2.08" | — |
| 1977 | 61° | 38° | 49° | — | — |
| 1976 | 80° | 40° | 60° | — | — |
| 1975 | 77° | 48° | 63° | — | — |
| 1974 | 64° | 47° | 55° | — | — |
| 1973 | 67° | 42° | 54° | — | — |
| 1972 | 75° | 38° | 56° | — | — |
| 1971 | 69° | 51° | 60° | — | — |
56 years of data from IRVINE RCH