Weather on May 31
Hayward, CA
55 Years of Data
Avg High
73°F
Avg Low
53°F
Warmest
2001
81°F avg
Coldest
1971
52°F avg
About This Date
May 31st in Hayward, CA typically brings pleasant spring weather, with average highs around 73°F and lows near 53°F. Over 52 years of records, the warmest May 31st was in 2001 (81°F average), while the coldest was 1971 (52°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 6% of May 31st dates historically, with the wettest May 31st recording 1.3" 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 31st in Hayward, CA? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 59° | 73° | — | — |
| 2024 | 82° | 56° | 69° | — | — |
| 2023 | 64° | 54° | 59° | — | — |
| 2022 | 77° | 46° | 62° | — | — |
| 2021 | 83° | 54° | 68° | — | — |
| 2020 | 69° | 58° | 63° | — | — |
| 2019 | 73° | 54° | 63° | — | — |
| 2018 | 63° | 53° | 58° | — | — |
| 2017 | 71° | 55° | 63° | — | — |
| 2016 | 86° | 54° | 70° | — | — |
| 2015 | 66° | 53° | 60° | — | — |
| 2014 | 72° | 50° | 61° | — | — |
| 2013 | 79° | 50° | 64° | — | — |
| 2012 | 82° | 51° | 67° | — | — |
| 2011 | 61° | 54° | 57° | 0.46" | — |
| 2010 | 67° | 55° | 61° | — | — |
| 2009 | 64° | 54° | 59° | — | — |
| 2008 | 60° | 52° | 56° | — | — |
| 2007 | 62° | 53° | 58° | — | — |
| 2006 | 69° | 55° | 62° | — | — |
| 2005 | 73° | 58° | 65° | — | — |
| 2004 | 75° | 55° | 65° | — | — |
| 2003 | 69° | 54° | 61° | — | — |
| 2002 | 74° | 55° | 64° | — | — |
| 2001warmest | 94° | 68° | 81° | — | — |
| 2000 | 75° | 51° | 63° | — | — |
| 1999 | 65° | 54° | 59° | — | — |
| 1998 | 68° | 51° | 60° | — | — |
| 1997 | 82° | 60° | 71° | — | — |
| 1996 | 74° | 47° | 60° | — | — |
| 1995 | 80° | 64° | 72° | — | — |
| 1994 | 67° | 58° | 62° | — | — |
| 1993 | 68° | 55° | 62° | — | — |
| 1989 | 73° | 48° | 61° | — | — |
| 1988 | 68° | 44° | 56° | — | — |
| 1987 | 70° | 57° | 63° | 0.25" | — |
| 1986 | 68° | 52° | 60° | — | — |
| 1985 | 70° | 48° | 59° | 1.3" | — |
| 1984 | 79° | 50° | 64° | — | — |
| 1983 | 70° | 54° | 62° | — | — |
| 1982 | 65° | 53° | 59° | — | — |
| 1981 | 68° | 52° | 60° | — | — |
| 1980 | 60° | 52° | 56° | — | — |
| 1979 | 87° | 53° | 70° | — | — |
| 1978 | 94° | 58° | 76° | — | — |
| 1977 | 82° | 48° | 65° | — | — |
| 1976 | 64° | 48° | 56° | — | — |
| 1975 | 83° | 50° | 66° | — | — |
| 1974 | 74° | 41° | 57° | — | — |
| 1973 | 69° | 58° | 63° | — | — |
| 1972 | 67° | 48° | 57° | — | — |
| 1971coldest | 63° | 42° | 52° | — | — |
52 years of data from HAYWARD AIR TERMINAL