Weather on May 31
Norwalk, CA
55 Years of Data
Avg High
76°F
Avg Low
59°F
Warmest
1972
76°F avg
Coldest
1991
60°F avg
About This Date
May 31st in Norwalk, CA typically brings pleasant spring weather, with average highs around 76°F and lows near 59°F. Over 55 years of records, the warmest May 31st was in 1972 (76°F average), while the coldest was 1991 (60°F) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 2% of May 31st dates historically. The last decade has been 1.9°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.9°F cooler on this date compared to 20-30 years ago.
Planning for May 31st in Norwalk, CA? Great weather for outdoor activities.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 89° | 63° | 76° | — | — |
| 2024 | 73° | 60° | 67° | — | — |
| 2023 | 64° | 58° | 61° | 0.03" | — |
| 2022 | 76° | 57° | 66° | — | — |
| 2021 | 77° | 62° | 70° | — | — |
| 2020 | 83° | 60° | 71° | — | — |
| 2019 | 72° | 60° | 66° | — | — |
| 2018 | 75° | 61° | 68° | — | — |
| 2017 | 71° | 61° | 66° | — | — |
| 2016 | 72° | 60° | 66° | — | — |
| 2015 | 74° | 60° | 67° | — | — |
| 2014 | 83° | 61° | 72° | — | — |
| 2013 | 84° | 66° | 75° | — | — |
| 2012 | 85° | 63° | 74° | — | — |
| 2011 | 78° | 52° | 65° | — | — |
| 2010 | 75° | 59° | 67° | — | — |
| 2009 | 72° | 61° | 66° | — | — |
| 2008 | 75° | 57° | 66° | — | — |
| 2007 | 74° | 58° | 66° | — | — |
| 2006 | 88° | 59° | 73° | — | — |
| 2005 | 77° | 60° | 69° | — | — |
| 2004 | 87° | 61° | 74° | — | — |
| 2003 | 75° | 62° | 69° | — | — |
| 2002 | 82° | 60° | 71° | — | — |
| 2001 | 80° | 61° | 70° | — | — |
| 2000 | 78° | 63° | 70° | — | — |
| 1999 | 76° | 58° | 67° | — | — |
| 1998 | 73° | 60° | 67° | — | — |
| 1997 | 81° | 66° | 73° | — | — |
| 1996 | 77° | 55° | 66° | — | — |
| 1995 | 70° | 58° | 64° | — | — |
| 1994 | 76° | 59° | 67° | — | — |
| 1993 | 76° | 63° | 69° | — | — |
| 1992 | 80° | 63° | 71° | — | — |
| 1991coldest | 68° | 52° | 60° | — | — |
| 1990 | 71° | 56° | 63° | — | — |
| 1989 | 80° | 57° | 69° | — | — |
| 1988 | 77° | 54° | 65° | — | — |
| 1987 | 80° | 57° | 69° | — | — |
| 1986 | 71° | 61° | 66° | — | — |
| 1985 | 68° | 58° | 63° | — | — |
| 1984 | 74° | 63° | 68° | — | — |
| 1983 | 69° | 63° | 66° | — | — |
| 1982 | 72° | 53° | 62° | — | — |
| 1981 | 77° | 63° | 70° | — | — |
| 1980 | 68° | 54° | 61° | — | — |
| 1979 | 72° | 57° | 64° | — | — |
| 1978 | 70° | 61° | 65° | — | — |
| 1977 | 80° | 62° | 71° | — | — |
| 1976 | 76° | 55° | 65° | — | — |
| 1975 | 72° | 60° | 66° | — | — |
| 1974 | 69° | 58° | 63° | — | — |
| 1973 | 70° | 63° | 66° | — | — |
| 1972warmest | 88° | 64° | 76° | — | — |
| 1971 | 69° | 53° | 61° | — | — |
55 years of data from FULLERTON MUNI AP