Weather on May 9
San Jose, CA
55 Years of Data
Avg High
73°F
Avg Low
51°F
Warmest
1987
72°F avg
Coldest
1977
53°F avg
About This Date
May 9th in San Jose, CA typically brings pleasant spring weather, with average highs around 73°F and lows near 51°F. Over 55 years of records, the warmest May 9th was in 1987 (72°F average), while the coldest was 1977 (53°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 9% of May 9th dates historically. The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
Planning for May 9th in San Jose, CA? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 53° | 70° | — | — |
| 2024 | 86° | 54° | 70° | — | — |
| 2023 | 68° | 48° | 58° | — | — |
| 2022 | 63° | 43° | 53° | — | — |
| 2021 | 81° | 53° | 67° | — | — |
| 2020 | 76° | 55° | 65° | — | — |
| 2019 | 69° | 57° | 63° | — | — |
| 2018 | 72° | 56° | 64° | — | — |
| 2017 | 83° | 52° | 67° | — | — |
| 2016 | 72° | 56° | 64° | — | — |
| 2015 | 68° | 54° | 61° | — | — |
| 2014 | 70° | 53° | 61° | — | — |
| 2013 | 67° | 53° | 60° | — | — |
| 2012 | 76° | 54° | 65° | — | — |
| 2011 | 69° | 45° | 57° | — | — |
| 2010 | 64° | 52° | 58° | 0.08" | — |
| 2009 | 77° | 51° | 64° | — | — |
| 2008 | 69° | 47° | 58° | — | — |
| 2007 | 78° | 53° | 66° | — | — |
| 2006 | 80° | 52° | 66° | — | — |
| 2005 | 64° | 50° | 57° | 0.3" | — |
| 2004 | 73° | 51° | 62° | — | — |
| 2003 | 66° | 47° | 56° | — | — |
| 2002 | 70° | 48° | 59° | — | — |
| 2001 | 84° | 54° | 69° | — | — |
| 2000 | 71° | 56° | 63° | — | — |
| 1999 | 66° | 44° | 55° | — | — |
| 1998 | 65° | 46° | 55° | — | — |
| 1997 | 84° | 51° | 68° | — | — |
| 1996 | 74° | 49° | 61° | — | — |
| 1995 | 64° | 51° | 58° | 0.05" | — |
| 1994 | 70° | 55° | 62° | — | — |
| 1993 | 91° | 51° | 71° | — | — |
| 1992 | 87° | 58° | 72° | — | — |
| 1991 | 68° | 49° | 58° | — | — |
| 1990 | 69° | 53° | 61° | — | — |
| 1989 | 62° | 57° | 60° | — | — |
| 1988 | 73° | 49° | 61° | — | — |
| 1987warmest | 83° | 61° | 72° | — | — |
| 1986 | 86° | 50° | 68° | — | — |
| 1985 | 68° | 45° | 56° | — | — |
| 1984 | 82° | 51° | 67° | — | — |
| 1983 | 68° | 46° | 57° | — | — |
| 1982 | 63° | 46° | 54° | — | — |
| 1981 | 80° | 54° | 67° | — | — |
| 1980 | 66° | 55° | 61° | 0.1" | — |
| 1979 | 71° | 47° | 59° | — | — |
| 1978 | 81° | 56° | 68° | — | — |
| 1977coldest | 61° | 45° | 53° | 0.2" | — |
| 1976 | 74° | 51° | 62° | — | — |
| 1975 | 70° | 49° | 59° | — | — |
| 1974 | 75° | 50° | 63° | — | — |
| 1973 | 75° | 46° | 61° | — | — |
| 1972 | 70° | 43° | 56° | — | — |
| 1971 | 72° | 49° | 60° | — | — |
55 years of data from SAN JOSE