Weather on May 20
West Covina, CA
55 Years of Data
Avg High
80°F
Avg Low
55°F
Warmest
2017
80°F avg
Coldest
1972
55°F avg
About This Date
May 20th in West Covina, CA typically brings warm spring weather, with average highs around 80°F and lows near 55°F — a 25°F daily swing. Over 55 years of records, the warmest May 20th was in 2017 (80°F average), while the coldest was 1972 (55°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 2% of May 20th dates historically. 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 20th in West Covina, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 93° | 58° | 75° | — | — |
| 2024 | 69° | 55° | 62° | — | — |
| 2023 | 82° | 61° | 71° | — | — |
| 2022 | 66° | 57° | 62° | — | — |
| 2021 | 72° | 56° | 64° | — | — |
| 2020 | 78° | 54° | 66° | — | — |
| 2019 | 71° | 49° | 60° | — | — |
| 2018 | 71° | 59° | 65° | — | — |
| 2017warmest | 97° | 64° | 80° | — | — |
| 2016 | 73° | 57° | 65° | — | — |
| 2015 | 80° | 55° | 68° | — | — |
| 2014 | 75° | 56° | 65° | — | — |
| 2013 | 96° | 55° | 76° | — | — |
| 2012 | 96° | 51° | 74° | — | — |
| 2011 | 79° | 48° | 63° | — | — |
| 2010 | 84° | 52° | 68° | — | — |
| 2009 | 92° | 54° | 73° | — | — |
| 2008 | 82° | 57° | 70° | — | — |
| 2007 | 79° | 55° | 67° | — | — |
| 2006 | 85° | 61° | 73° | — | — |
| 2005 | 95° | 57° | 76° | — | — |
| 2004 | 78° | 54° | 66° | — | — |
| 2003 | 96° | 52° | 74° | — | — |
| 2002 | 63° | 50° | 56° | — | — |
| 2001 | 76° | 54° | 65° | — | — |
| 2000 | 89° | 58° | 73° | — | — |
| 1999 | 68° | 52° | 60° | — | — |
| 1998 | 76° | 52° | 64° | — | — |
| 1997 | 82° | 63° | 72° | — | — |
| 1996 | 83° | 55° | 69° | — | — |
| 1995 | 78° | 54° | 66° | — | — |
| 1994 | 77° | 50° | 64° | — | — |
| 1993 | 78° | 63° | 70° | — | — |
| 1992 | 77° | 60° | 69° | — | — |
| 1991 | 75° | 46° | 61° | — | — |
| 1990 | 76° | 49° | 62° | — | — |
| 1989 | 85° | 53° | 69° | — | — |
| 1988 | 95° | 58° | 76° | — | — |
| 1987 | 67° | 55° | 61° | — | — |
| 1986 | 81° | 56° | 68° | — | — |
| 1985 | 75° | 59° | 67° | — | — |
| 1984 | 84° | 57° | 71° | — | — |
| 1983 | 87° | 56° | 71° | — | — |
| 1982 | 79° | 57° | 68° | — | — |
| 1981 | 71° | 50° | 61° | — | — |
| 1980 | 80° | 59° | 70° | — | — |
| 1979 | 75° | 57° | 66° | — | — |
| 1978 | 89° | 57° | 73° | — | — |
| 1977 | 83° | 48° | 65° | — | — |
| 1976 | 76° | 57° | 66° | — | — |
| 1975 | 63° | 52° | 57° | 0.18" | — |
| 1974 | 78° | 45° | 61° | — | — |
| 1973 | 73° | 56° | 64° | — | — |
| 1972coldest | 66° | 45° | 55° | — | — |
| 1971 | 84° | 50° | 67° | — | — |
55 years of data from SANTA FE DAM CALIFORNIA