Weather on May 15
West Covina, CA
55 Years of Data
Avg High
78°F
Avg Low
55°F
Warmest
2014
91°F avg
Coldest
2017
57°F avg
About This Date
May 15th in West Covina, CA typically brings pleasant spring weather, with average highs around 78°F and lows near 55°F. Over 55 years of records, the warmest May 15th was in 2014 (91°F average), while the coldest was 2017 (57°F) — a 34°F range across recorded history. Rain or other precipitation has occurred on about 5% of May 15th dates historically. The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
Planning for May 15th in West Covina, CA? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 80° | 54° | 67° | — | — |
| 2024 | 66° | 59° | 63° | — | — |
| 2023 | 78° | 58° | 68° | — | — |
| 2022 | 88° | 59° | 73° | — | — |
| 2021 | 74° | 60° | 67° | — | — |
| 2020 | 82° | 57° | 70° | — | — |
| 2019 | 73° | 59° | 66° | — | — |
| 2018 | 76° | 52° | 64° | — | — |
| 2017coldest | 61° | 54° | 57° | — | — |
| 2016 | 70° | 58° | 64° | — | — |
| 2015 | 71° | 54° | 62° | — | — |
| 2014warmest | 108° | 74° | 91° | — | — |
| 2013 | 85° | 56° | 70° | — | — |
| 2012 | 87° | 51° | 69° | — | — |
| 2011 | 68° | 48° | 58° | — | — |
| 2010 | 86° | 53° | 70° | — | — |
| 2009 | 88° | 56° | 72° | — | — |
| 2008 | 97° | 57° | 77° | — | — |
| 2007 | 79° | 53° | 66° | — | — |
| 2006 | 85° | 60° | 72° | — | — |
| 2005 | 92° | 56° | 74° | — | — |
| 2004 | 89° | 54° | 71° | — | — |
| 2003 | 79° | 48° | 63° | — | — |
| 2002 | 73° | 52° | 62° | — | — |
| 2001 | 78° | 54° | 66° | — | — |
| 2000 | 74° | 50° | 62° | — | — |
| 1999 | 68° | 51° | 60° | — | — |
| 1998 | 77° | 52° | 64° | — | — |
| 1997 | 94° | 59° | 76° | — | — |
| 1996 | 84° | 59° | 72° | — | — |
| 1995 | 74° | 52° | 63° | — | — |
| 1994 | 65° | 58° | 61° | — | — |
| 1993 | 88° | 60° | 74° | 0.08" | — |
| 1992 | 79° | 55° | 67° | — | — |
| 1991 | 85° | 50° | 67° | — | — |
| 1990 | 72° | 57° | 64° | — | — |
| 1989 | 67° | 57° | 62° | 0.08" | — |
| 1988 | 82° | 53° | 68° | — | — |
| 1987 | 75° | 60° | 68° | — | — |
| 1986 | 70° | 55° | 62° | — | — |
| 1985 | 83° | 55° | 69° | — | — |
| 1984 | 74° | 52° | 63° | — | — |
| 1983 | 76° | 53° | 64° | — | — |
| 1982 | 78° | 50° | 64° | — | — |
| 1981 | 71° | 58° | 64° | — | — |
| 1980 | 69° | 49° | 59° | — | — |
| 1979 | 89° | 54° | 71° | — | — |
| 1978 | 79° | 62° | 70° | — | — |
| 1977 | 66° | 51° | 59° | — | — |
| 1976 | 80° | 59° | 70° | — | — |
| 1975 | 71° | 53° | 62° | — | — |
| 1974 | 61° | 57° | 59° | 0.03" | — |
| 1973 | 80° | 56° | 68° | — | — |
| 1972 | 92° | 56° | 74° | — | — |
| 1971 | 75° | 55° | 65° | — | — |
55 years of data from SANTA FE DAM CALIFORNIA