Weather on May 15
Norwalk, CA
55 Years of Data
Avg High
74°F
Avg Low
59°F
Warmest
2014
84°F avg
Coldest
1980
60°F avg
About This Date
May 15th in Norwalk, CA typically brings pleasant spring weather, with average highs around 74°F and lows near 59°F. Over 55 years of records, the warmest May 15th was in 2014 (84°F average), while the coldest was 1980 (60°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 5% of May 15th dates historically, with the wettest May 15th recording 0.56" of rain. 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 15th 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 | 75° | 57° | 66° | — | — |
| 2024 | 68° | 59° | 64° | — | — |
| 2023 | 72° | 60° | 66° | — | — |
| 2022 | 82° | 59° | 71° | — | — |
| 2021 | 73° | 61° | 67° | — | — |
| 2020 | 80° | 62° | 71° | — | — |
| 2019 | 70° | 61° | 65° | — | — |
| 2018 | 73° | 56° | 64° | — | — |
| 2017 | 67° | 56° | 61° | — | — |
| 2016 | 73° | 62° | 68° | — | — |
| 2015 | 70° | 54° | 62° | 0.56" | — |
| 2014warmest | 104° | 64° | 84° | — | — |
| 2013 | 77° | 63° | 70° | — | — |
| 2012 | 79° | 57° | 68° | — | — |
| 2011 | 67° | 53° | 60° | 0.1" | — |
| 2010 | 74° | 57° | 65° | — | — |
| 2009 | 76° | 61° | 68° | — | — |
| 2008 | 86° | 61° | 73° | — | — |
| 2007 | 73° | 59° | 66° | — | — |
| 2006 | 75° | 61° | 68° | — | — |
| 2005 | 78° | 60° | 69° | — | — |
| 2004 | 82° | 60° | 71° | — | — |
| 2003 | 72° | 55° | 63° | — | — |
| 2002 | 71° | 58° | 64° | — | — |
| 2001 | 74° | 59° | 66° | — | — |
| 2000 | 76° | 55° | 65° | — | — |
| 1999 | 68° | 57° | 63° | — | — |
| 1998 | 74° | 55° | 64° | — | — |
| 1997 | 84° | 63° | 73° | — | — |
| 1996 | 77° | 62° | 70° | — | — |
| 1995 | 68° | 56° | 62° | — | — |
| 1994 | 69° | 59° | 64° | — | — |
| 1993 | 86° | 60° | 73° | — | — |
| 1992 | 74° | 61° | 67° | — | — |
| 1991 | 80° | 53° | 67° | — | — |
| 1990 | 71° | 59° | 65° | — | — |
| 1989 | 66° | 58° | 62° | 0.03" | — |
| 1988 | 68° | 60° | 64° | — | — |
| 1987 | 67° | 60° | 63° | — | — |
| 1986 | 71° | 56° | 63° | — | — |
| 1985 | 67° | 55° | 61° | — | — |
| 1984 | 70° | 52° | 61° | — | — |
| 1983 | 69° | 58° | 63° | — | — |
| 1982 | 76° | 57° | 66° | — | — |
| 1981 | 70° | 61° | 65° | — | — |
| 1980coldest | 69° | 52° | 60° | — | — |
| 1979 | 71° | 57° | 64° | — | — |
| 1978 | 79° | 66° | 72° | — | — |
| 1977 | 69° | 55° | 62° | — | — |
| 1976 | 70° | 61° | 65° | — | — |
| 1975 | 68° | 59° | 64° | — | — |
| 1974 | 67° | 61° | 64° | — | — |
| 1973 | 76° | 60° | 68° | — | — |
| 1972 | 68° | 56° | 62° | — | — |
| 1971 | 71° | 59° | 65° | — | — |
55 years of data from FULLERTON MUNI AP