Weather on July 21
Norwalk, CA
55 Years of Data
About This Date
July 21st in Norwalk, CA typically brings warm summer weather, with average highs around 83°F and lows near 66°F. Over 55 years of records, the warmest July 21st was in 2016 (85°F average), while the coldest was 1991 (67°F) — a 18°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
Planning for July 21st in Norwalk, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 66° | 72° | — | — |
| 2024 | 85° | 67° | 76° | — | — |
| 2023 | 82° | 67° | 74° | — | — |
| 2022 | 85° | 66° | 75° | — | — |
| 2021 | 92° | 68° | 80° | — | — |
| 2020 | 83° | 64° | 73° | — | — |
| 2019 | 89° | 63° | 76° | — | — |
| 2018 | 91° | 69° | 80° | — | — |
| 2017 | 85° | 69° | 77° | — | — |
| 2016warmest | 100° | 69° | 85° | — | — |
| 2015 | 83° | 71° | 77° | — | — |
| 2014 | 85° | 67° | 76° | — | — |
| 2013 | 75° | 68° | 72° | — | — |
| 2012 | 90° | 68° | 79° | — | — |
| 2011 | 79° | 62° | 70° | — | — |
| 2010 | 75° | 64° | 70° | — | — |
| 2009 | 90° | 68° | 79° | — | — |
| 2008 | 86° | 61° | 73° | — | — |
| 2007 | 81° | 67° | 74° | — | — |
| 2006 | 95° | 70° | 82° | — | — |
| 2005 | 94° | 70° | 82° | — | — |
| 2004 | 87° | 67° | 77° | — | — |
| 2003 | 90° | 69° | 79° | — | — |
| 2002 | 75° | 63° | 69° | — | — |
| 2001 | 79° | 62° | 70° | — | — |
| 2000 | 78° | 65° | 71° | — | — |
| 1999 | 84° | 60° | 72° | — | — |
| 1998 | 81° | 67° | 74° | — | — |
| 1997 | 78° | 66° | 72° | — | — |
| 1996 | 85° | 65° | 75° | — | — |
| 1995 | 85° | 59° | 72° | — | — |
| 1994 | 81° | 64° | 72° | — | — |
| 1993 | 79° | 66° | 72° | — | — |
| 1992 | 78° | 67° | 72° | — | — |
| 1991coldest | 76° | 58° | 67° | — | — |
| 1990 | 81° | 68° | 74° | — | — |
| 1989 | 79° | 66° | 72° | — | — |
| 1988 | 91° | 70° | 80° | — | — |
| 1987 | 77° | 62° | 70° | — | — |
| 1986 | 72° | 64° | 68° | — | — |
| 1985 | 83° | 67° | 75° | — | — |
| 1984 | 80° | 69° | 75° | — | — |
| 1983 | 91° | 65° | 78° | — | — |
| 1982 | 91° | 66° | 79° | — | — |
| 1981 | 89° | 67° | 78° | — | — |
| 1980 | 78° | 61° | 69° | — | — |
| 1979 | 84° | 66° | 75° | — | — |
| 1978 | 75° | 60° | 68° | — | — |
| 1977 | 86° | 65° | 75° | — | — |
| 1976 | 76° | 66° | 71° | — | — |
| 1975 | 82° | 65° | 73° | — | — |
| 1974 | 86° | 67° | 76° | — | — |
| 1973 | 77° | 62° | 70° | — | — |
| 1972 | 80° | 67° | 73° | — | — |
| 1971 | 83° | 67° | 75° | — | — |
Norwalk, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Norwalk, CA Monthly Precipitation
Average rainfall per month, in inches.
Norwalk, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Norwalk, CA
Most pleasant months in Norwalk, CA: June.