Weather on May 20
Vista, CA
55 Years of Data
Avg High
70°F
Avg Low
56°F
Warmest
2017
71°F avg
Coldest
1975
51°F avg
About This Date
May 20th in Vista, CA typically brings pleasant spring weather, with average highs around 70°F and lows near 56°F. Over 55 years of records, the warmest May 20th was in 2017 (71°F average), while the coldest was 1975 (51°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 13% 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 Vista, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 76° | 58° | 67° | — | — |
| 2024 | 64° | 57° | 61° | — | — |
| 2023 | 64° | 60° | 62° | — | — |
| 2022 | 64° | 56° | 60° | 0.03" | — |
| 2021 | 65° | 56° | 60° | — | — |
| 2020 | 70° | 56° | 63° | — | — |
| 2019 | 65° | 57° | 61° | 0.41" | — |
| 2018 | 62° | 58° | 60° | 0.05" | — |
| 2017warmest | 81° | 61° | 71° | — | — |
| 2016 | 65° | 60° | 62° | — | — |
| 2015 | 66° | 58° | 62° | — | — |
| 2014 | 66° | 60° | 63° | — | — |
| 2013 | 72° | 61° | 66° | — | — |
| 2012 | 69° | 60° | 65° | — | — |
| 2011 | 67° | 58° | 62° | — | — |
| 2010 | 66° | 53° | 60° | — | — |
| 2009 | 71° | 61° | 66° | — | — |
| 2008 | 68° | 60° | 64° | — | — |
| 2007 | 64° | 58° | 61° | — | — |
| 2006 | 68° | 61° | 64° | — | — |
| 2005 | 74° | 60° | 67° | — | — |
| 2004 | 66° | 59° | 63° | — | — |
| 2003 | 70° | 54° | 62° | — | — |
| 2002 | 65° | 56° | 60° | — | — |
| 2001 | 67° | 60° | 63° | — | — |
| 2000 | 69° | 57° | 63° | 0.03" | — |
| 1999 | 62° | 57° | 60° | — | — |
| 1998 | 65° | 56° | 60° | — | — |
| 1997 | 76° | 57° | 66° | — | — |
| 1996 | 76° | 56° | 66° | — | — |
| 1995 | 73° | 55° | 64° | — | — |
| 1994 | 73° | 49° | 61° | — | — |
| 1993 | 77° | 61° | 69° | — | — |
| 1992 | 76° | 61° | 68° | — | — |
| 1991 | 69° | 53° | 61° | — | — |
| 1990 | 71° | 56° | 63° | — | — |
| 1989 | 78° | 53° | 66° | — | — |
| 1988 | 83° | 56° | 69° | — | — |
| 1987 | 69° | 55° | 62° | — | — |
| 1986 | 76° | 56° | 66° | — | — |
| 1985 | 73° | 52° | 62° | — | — |
| 1984 | 78° | 58° | 68° | — | — |
| 1983 | 82° | 53° | 68° | — | — |
| 1982 | 69° | 56° | 62° | — | — |
| 1981 | 67° | 53° | 60° | — | — |
| 1980 | 66° | 55° | 61° | — | — |
| 1979 | 67° | 55° | 61° | 0.13" | — |
| 1978 | 78° | 55° | 67° | — | — |
| 1977 | 75° | 47° | 61° | — | — |
| 1976 | 68° | 54° | 61° | — | — |
| 1975coldest | 58° | 45° | 51° | 0.41" | — |
| 1974 | 72° | 42° | 57° | — | — |
| 1973 | 69° | 54° | 61° | — | — |
| 1972 | 67° | 48° | 57° | 0.43" | — |
| 1971 | 78° | 52° | 65° | — | — |
55 years of data from CARLSBAD MCCLELLAN PALOMAR AP