Weather on June 21
Norwalk, CA
55 Years of Data
Avg High
80°F
Avg Low
62°F
Warmest
2008
87°F avg
Coldest
2003
64°F avg
About This Date
June 21st in Norwalk, CA typically brings warm summer weather, with average highs around 80°F and lows near 62°F. Over 55 years of records, the warmest June 21st was in 2008 (87°F average), while the coldest was 2003 (64°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 2% of June 21st dates historically. The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
Planning for June 21st in Norwalk, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 76° | 63° | 69° | — | — |
| 2024 | 82° | 60° | 71° | — | — |
| 2023 | 80° | 58° | 69° | — | — |
| 2022 | 86° | 64° | 75° | — | — |
| 2021 | 82° | 62° | 72° | — | — |
| 2020 | 79° | 67° | 73° | — | — |
| 2019 | 72° | 61° | 66° | 0.05" | — |
| 2018 | 81° | 65° | 73° | — | — |
| 2017 | 83° | 64° | 73° | — | — |
| 2016 | 85° | 67° | 76° | — | — |
| 2015 | 81° | 66° | 73° | — | — |
| 2014 | 81° | 64° | 72° | — | — |
| 2013 | 83° | 65° | 74° | — | — |
| 2012 | 79° | 64° | 71° | — | — |
| 2011 | 84° | 62° | 73° | — | — |
| 2010 | 72° | 60° | 66° | — | — |
| 2009 | 77° | 61° | 69° | — | — |
| 2008warmest | 102° | 71° | 87° | — | — |
| 2007 | 84° | 63° | 73° | — | — |
| 2006 | 81° | 62° | 71° | — | — |
| 2005 | 87° | 58° | 72° | — | — |
| 2004 | 75° | 64° | 70° | — | — |
| 2003coldest | 68° | 61° | 64° | — | — |
| 2002 | 74° | 62° | 68° | — | — |
| 2001 | 85° | 62° | 73° | — | — |
| 2000 | 84° | 63° | 73° | — | — |
| 1999 | 71° | 60° | 66° | — | — |
| 1998 | 81° | 64° | 72° | — | — |
| 1997 | 77° | 64° | 71° | — | — |
| 1996 | 74° | 63° | 68° | — | — |
| 1995 | 72° | 60° | 66° | — | — |
| 1994 | 84° | 62° | 73° | — | — |
| 1993 | 77° | 62° | 70° | — | — |
| 1992 | 76° | 61° | 68° | — | — |
| 1991 | 72° | 61° | 66° | — | — |
| 1990 | 80° | 62° | 71° | — | — |
| 1989 | 78° | 61° | 69° | — | — |
| 1988 | 80° | 57° | 69° | — | — |
| 1987 | 72° | 62° | 67° | — | — |
| 1986 | 74° | 62° | 68° | — | — |
| 1985 | 73° | 62° | 68° | — | — |
| 1984 | 77° | 60° | 69° | — | — |
| 1983 | 74° | 63° | 68° | — | — |
| 1982 | 71° | 61° | 66° | — | — |
| 1981 | 90° | 65° | 77° | — | — |
| 1980 | 80° | 58° | 69° | — | — |
| 1979 | 78° | 60° | 69° | — | — |
| 1978 | 89° | 62° | 76° | — | — |
| 1977 | 72° | 62° | 67° | — | — |
| 1976 | 82° | 60° | 71° | — | — |
| 1975 | 78° | 56° | 67° | — | — |
| 1974 | 85° | 59° | 72° | — | — |
| 1973 | 98° | 64° | 81° | — | — |
| 1972 | 77° | 64° | 71° | — | — |
| 1971 | 80° | 61° | 70° | — | — |
55 years of data from FULLERTON MUNI AP