Weather on July 21
West Covina, CA
55 Years of Data
About This Date
July 21st in West Covina, CA typically brings hot summer weather, with average highs around 91°F and lows near 62°F — a 29°F daily swing. Over 55 years of records, the warmest July 21st was in 2005 (86°F average), while the coldest was 1991 (66°F) — a 20°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
Planning for July 21st in West Covina, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 81° | 66° | 73° | — | — |
| 2024 | 97° | 66° | 81° | — | — |
| 2023 | 90° | 65° | 77° | — | — |
| 2022 | 95° | 64° | 80° | — | — |
| 2021 | 99° | 69° | 84° | — | — |
| 2020 | 91° | 60° | 76° | — | — |
| 2019 | 93° | 59° | 76° | — | — |
| 2018 | 92° | 66° | 79° | — | — |
| 2017 | 91° | 62° | 77° | — | — |
| 2016 | 105° | 64° | 85° | — | — |
| 2015 | 84° | 70° | 77° | — | — |
| 2014 | 88° | 61° | 74° | — | — |
| 2013 | 82° | 65° | 73° | — | — |
| 2012 | 102° | 64° | 83° | — | — |
| 2011 | 91° | 57° | 74° | — | — |
| 2010 | 85° | 63° | 74° | — | — |
| 2009 | 102° | 66° | 84° | — | — |
| 2008 | 92° | 59° | 75° | — | — |
| 2007 | 91° | 62° | 77° | — | — |
| 2006 | 104° | 68° | 86° | — | — |
| 2005warmest | 103° | 69° | 86° | — | — |
| 2004 | 98° | 64° | 81° | — | — |
| 2003 | 99° | 66° | 82° | — | — |
| 2002 | 79° | 59° | 69° | — | — |
| 2001 | 88° | 57° | 72° | — | — |
| 2000 | 84° | 59° | 72° | — | — |
| 1999 | 93° | 54° | 73° | — | — |
| 1998 | 91° | 66° | 79° | — | — |
| 1997 | 88° | 60° | 74° | — | — |
| 1996 | 97° | 58° | 77° | — | — |
| 1995 | 93° | 56° | 74° | — | — |
| 1994 | 90° | 60° | 75° | — | — |
| 1993 | 79° | 59° | 69° | — | — |
| 1992 | 88° | 65° | 76° | — | — |
| 1991coldest | 79° | 54° | 66° | — | — |
| 1990 | 95° | 66° | 81° | — | — |
| 1989 | 93° | 67° | 80° | — | — |
| 1988 | 98° | 71° | 85° | — | — |
| 1987 | 79° | 56° | 67° | — | — |
| 1986 | 91° | 62° | 77° | — | — |
| 1985 | 90° | 66° | 78° | — | — |
| 1984 | 86° | 67° | 76° | — | — |
| 1983 | 95° | 60° | 78° | — | — |
| 1982 | 98° | 63° | 80° | — | — |
| 1981 | 95° | 58° | 76° | — | — |
| 1980 | 84° | 58° | 71° | — | — |
| 1979 | 86° | 66° | 76° | — | — |
| 1978 | 89° | 59° | 74° | — | — |
| 1977 | 90° | 61° | 75° | — | — |
| 1976 | 84° | 65° | 74° | — | — |
| 1975 | 87° | 60° | 74° | — | — |
| 1974 | 91° | 62° | 77° | — | — |
| 1973 | 80° | 53° | 67° | — | — |
| 1972 | 80° | 63° | 71° | — | — |
| 1971 | 90° | 66° | 78° | — | — |
West Covina, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
West Covina, CA Monthly Precipitation
Average rainfall per month, in inches.
West Covina, 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 West Covina, CA
Most pleasant months in West Covina, CA: May.