Weather on May 19
Hayward, CA
55 Years of Data
Avg High
68°F
Avg Low
51°F
Warmest
1978
73°F avg
Coldest
1974
47°F avg
About This Date
May 19th in Hayward, CA typically brings mild spring weather, with average highs around 68°F and lows near 51°F. Over 52 years of records, the warmest May 19th was in 1978 (73°F average), while the coldest was 1974 (47°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 13% of May 19th dates historically, with the wettest May 19th recording 1.27" 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 May 19th in Hayward, CA? Great weather for outdoor activities.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 76° | 54° | 65° | — | — |
| 2024 | 71° | 56° | 63° | — | — |
| 2023 | 63° | 54° | 58° | — | — |
| 2022 | 69° | 54° | 61° | — | — |
| 2021 | 63° | 51° | 57° | — | — |
| 2020 | 67° | 55° | 61° | 0.2" | — |
| 2019 | 61° | 50° | 55° | 1.27" | — |
| 2018 | 63° | 54° | 58° | — | — |
| 2017 | 85° | 55° | 70° | — | — |
| 2016 | 66° | 54° | 60° | — | — |
| 2015 | 63° | 54° | 58° | — | — |
| 2014 | 65° | 52° | 58° | — | — |
| 2013 | 77° | 52° | 64° | — | — |
| 2012 | 72° | 48° | 60° | — | — |
| 2011 | 71° | 50° | 61° | — | — |
| 2010 | 65° | 50° | 57° | — | — |
| 2009 | 67° | 53° | 60° | — | — |
| 2008 | 70° | 52° | 61° | — | — |
| 2007 | 62° | 53° | 58° | — | — |
| 2006 | 62° | 54° | 58° | 0.36" | — |
| 2005 | 65° | 58° | 61° | 0.64" | — |
| 2004 | 66° | 53° | 60° | — | — |
| 2003 | 80° | 53° | 67° | — | — |
| 2002 | 63° | 53° | 58° | 0.99" | — |
| 2001 | 77° | 56° | 66° | — | — |
| 2000 | 79° | 55° | 67° | — | — |
| 1999 | 60° | 51° | 56° | — | — |
| 1998 | 60° | 44° | 52° | — | — |
| 1997 | 72° | 53° | 62° | — | — |
| 1996 | 66° | 49° | 57° | — | — |
| 1995 | 74° | 55° | 64° | — | — |
| 1994 | 55° | 50° | 53° | — | — |
| 1993 | 73° | 57° | 65° | — | — |
| 1989 | 66° | 44° | 55° | — | — |
| 1988 | 68° | 45° | 56° | — | — |
| 1987 | 62° | 52° | 57° | — | — |
| 1986 | 71° | 49° | 60° | — | — |
| 1985 | 66° | 52° | 59° | — | — |
| 1984 | 73° | 48° | 61° | — | — |
| 1983 | 80° | 54° | 67° | — | — |
| 1982 | 69° | 45° | 57° | — | — |
| 1981 | 63° | 50° | 56° | 0.41" | — |
| 1980 | 72° | 49° | 60° | — | — |
| 1979 | 71° | 51° | 61° | — | — |
| 1978warmest | 89° | 58° | 73° | — | — |
| 1977 | 59° | 48° | 54° | 0.56" | — |
| 1976 | 61° | 44° | 52° | — | — |
| 1975 | 65° | 49° | 57° | — | — |
| 1974coldest | 59° | 35° | 47° | — | — |
| 1973 | 60° | 53° | 57° | — | — |
| 1972 | 64° | 46° | 55° | — | — |
| 1971 | 73° | 46° | 60° | — | — |
52 years of data from HAYWARD AIR TERMINAL