Weather on April 20
West Covina, CA
55 Years of Data
About This Date
April 20th in West Covina, CA typically brings pleasant spring weather, with average highs around 78°F and lows near 51°F — a 27°F daily swing. Over 56 years of records, the warmest April 20th was in 2009 (88°F average), while the coldest was 2007 (51°F) — a 37°F range across recorded history. Rain or other precipitation has occurred on about 5% of April 20th dates historically, with the wettest April 20th recording 4.14" 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 April 20th in West Covina, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 81° | 55° | 68° | — | — |
| 2025 | 79° | 52° | 65° | — | — |
| 2024 | 75° | 54° | 64° | — | — |
| 2023 | 84° | 54° | 69° | — | — |
| 2022 | 72° | 51° | 61° | — | — |
| 2021 | 77° | 51° | 64° | — | — |
| 2020 | 65° | 54° | 59° | — | — |
| 2019 | 69° | 57° | 63° | — | — |
| 2018 | 78° | 50° | 64° | — | — |
| 2017 | 81° | 55° | 68° | — | — |
| 2016 | 91° | 64° | 78° | — | — |
| 2015 | 81° | 52° | 66° | — | — |
| 2014 | 87° | 51° | 69° | — | — |
| 2013 | 94° | 52° | 73° | — | — |
| 2012 | 98° | 50° | 74° | — | — |
| 2011 | 68° | 57° | 63° | — | — |
| 2010 | 72° | 45° | 58° | — | — |
| 2009warmest | 104° | 71° | 88° | — | — |
| 2008 | 71° | 46° | 59° | — | — |
| 2007coldest | 54° | 48° | 51° | — | — |
| 2006 | 86° | 52° | 69° | — | — |
| 2005 | 77° | 47° | 62° | — | — |
| 2004 | 76° | 48° | 62° | — | — |
| 2003 | 84° | 55° | 70° | — | — |
| 2002 | 70° | 48° | 59° | — | — |
| 2001 | 65° | 45° | 55° | — | — |
| 2000 | 78° | 52° | 65° | — | — |
| 1999 | 83° | 54° | 68° | — | — |
| 1998 | 94° | 54° | 74° | — | — |
| 1997 | 86° | 55° | 71° | — | — |
| 1996 | 76° | 50° | 63° | — | — |
| 1995 | 61° | 46° | 53° | — | — |
| 1994 | 79° | 54° | 66° | — | — |
| 1993 | 92° | 53° | 72° | — | — |
| 1992 | 88° | 53° | 70° | — | — |
| 1991 | 71° | 49° | 60° | — | — |
| 1990 | 75° | 58° | 66° | — | — |
| 1989 | 83° | 57° | 70° | — | — |
| 1988 | 65° | 50° | 57° | 3.68" | — |
| 1987 | 88° | 47° | 67° | — | — |
| 1986 | 93° | 51° | 72° | — | — |
| 1985 | 65° | 47° | 56° | — | — |
| 1984 | 76° | 51° | 63° | — | — |
| 1983 | 69° | 51° | 60° | 4.14" | — |
| 1982 | 90° | 50° | 70° | — | — |
| 1981 | 72° | 47° | 59° | 0.03" | — |
| 1980 | 85° | 51° | 68° | — | — |
| 1979 | 79° | 45° | 62° | — | — |
| 1978 | 75° | 47° | 61° | — | — |
| 1977 | 84° | 45° | 64° | — | — |
| 1976 | 87° | 49° | 68° | — | — |
| 1975 | 79° | 44° | 61° | — | — |
| 1974 | 70° | 46° | 58° | — | — |
| 1973 | 72° | 44° | 58° | — | — |
| 1972 | 72° | 39° | 55° | — | — |
| 1971 | 63° | 50° | 56° | — | — |
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.