Weather on October 31
San Jose, CA
55 Years of Data
Avg High
70°F
Avg Low
49°F
Warmest
2015
69°F avg
Coldest
1972
52°F avg
About This Date
October 31st in San Jose, CA typically brings pleasant fall weather, with average highs around 70°F and lows near 49°F. Over 55 years of records, the warmest October 31st was in 2015 (69°F average), while the coldest was 1972 (52°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 18% of October 31st dates historically, with the wettest October 31st recording 1.3" of rain. The last decade has been 2.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.9°F warmer on this date compared to 20-30 years ago.
Planning for October 31st in San Jose, CA? Great weather for outdoor activities.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 73° | 56° | 64° | — | — |
| 2024 | 69° | 53° | 61° | — | — |
| 2023 | 76° | 45° | 60° | — | — |
| 2022 | 69° | 51° | 60° | — | — |
| 2021 | 68° | 50° | 59° | — | — |
| 2020 | 77° | 47° | 62° | — | — |
| 2019 | 73° | 42° | 58° | — | — |
| 2018 | 80° | 47° | 63° | — | — |
| 2017 | 71° | 53° | 62° | — | — |
| 2016 | 68° | 51° | 60° | — | — |
| 2015warmest | 85° | 53° | 69° | — | — |
| 2014 | 63° | 53° | 58° | 1.3" | — |
| 2013 | 72° | 44° | 58° | — | — |
| 2012 | 64° | 57° | 61° | 0.05" | — |
| 2011 | 78° | 51° | 65° | — | — |
| 2010 | 74° | 49° | 61° | — | — |
| 2009 | 69° | 52° | 60° | — | — |
| 2008 | 74° | 60° | 67° | 0.08" | — |
| 2007 | 65° | 54° | 59° | — | — |
| 2006 | 64° | 48° | 56° | — | — |
| 2005 | 74° | 47° | 60° | — | — |
| 2004 | 68° | 52° | 60° | — | — |
| 2003 | 57° | 46° | 52° | 0.03" | — |
| 2002 | 69° | 41° | 55° | — | — |
| 2001 | 69° | 52° | 60° | — | — |
| 2000 | 66° | 45° | 55° | 0.03" | — |
| 1999 | 74° | 46° | 60° | — | — |
| 1998 | 70° | 44° | 57° | — | — |
| 1997 | 73° | 60° | 67° | 0.03" | — |
| 1996 | 63° | 46° | 54° | 0.3" | — |
| 1995 | 67° | 59° | 63° | — | — |
| 1994 | 73° | 44° | 59° | — | — |
| 1993 | 67° | 57° | 62° | — | — |
| 1992 | 71° | 52° | 61° | — | — |
| 1991 | 68° | 41° | 55° | — | — |
| 1990 | 65° | 58° | 61° | 0.58" | — |
| 1989 | 71° | 42° | 57° | — | — |
| 1988 | 73° | 49° | 61° | — | — |
| 1987 | 66° | 55° | 61° | — | — |
| 1986 | 72° | 48° | 60° | — | — |
| 1985 | 68° | 44° | 56° | — | — |
| 1984 | 69° | 48° | 59° | — | — |
| 1983 | 70° | 62° | 66° | 0.2" | — |
| 1982 | 68° | 44° | 56° | — | — |
| 1981 | 74° | 45° | 59° | — | — |
| 1980 | 74° | 46° | 60° | — | — |
| 1979 | 65° | 54° | 59° | — | — |
| 1978 | 67° | 47° | 57° | — | — |
| 1977 | 65° | 43° | 54° | — | — |
| 1976 | 68° | 47° | 57° | — | — |
| 1975 | 68° | 42° | 55° | — | — |
| 1974 | 60° | 48° | 54° | 0.56" | — |
| 1973 | 80° | 49° | 64° | — | — |
| 1972coldest | 67° | 38° | 52° | — | — |
| 1971 | 61° | 45° | 53° | — | — |
55 years of data from SAN JOSE