Weather on May 1
Santa Rosa, CA
55 Years of Data
Avg High
74°F
Avg Low
47°F
Warmest
1996
76°F avg
Coldest
1986
52°F avg
About This Date
May 1st in Santa Rosa, CA typically brings pleasant spring weather, with average highs around 74°F and lows near 47°F — a 27°F daily swing. Over 55 years of records, the warmest May 1st was in 1996 (76°F average), while the coldest was 1986 (52°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 15% of May 1st dates historically, with the wettest May 1st recording 3.35" of rain. The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.
Planning for May 1st in Santa Rosa, CA? Great weather for outdoor activities.
Warming Trend
1.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 73° | 50° | 62° | — | — |
| 2024 | 82° | 49° | 65° | — | — |
| 2023 | 73° | 45° | 59° | — | — |
| 2022 | 76° | 45° | 60° | — | — |
| 2021 | 83° | 43° | 63° | — | — |
| 2020 | 80° | 51° | 66° | — | — |
| 2019 | 77° | 44° | 61° | — | — |
| 2018 | 74° | 46° | 60° | — | — |
| 2017 | 89° | 59° | 74° | — | — |
| 2016 | 84° | 53° | 69° | — | — |
| 2015 | 81° | 50° | 65° | — | — |
| 2014 | 87° | 60° | 74° | — | — |
| 2013 | 86° | 61° | 73° | — | — |
| 2012 | 80° | 45° | 62° | — | — |
| 2011 | 80° | 42° | 61° | — | — |
| 2010 | 77° | 45° | 61° | — | — |
| 2009 | 57° | 49° | 53° | 0.89" | — |
| 2008 | 74° | 40° | 57° | — | — |
| 2007 | 68° | 39° | 54° | — | — |
| 2006 | 78° | 45° | 61° | — | — |
| 2005 | 71° | 48° | 60° | — | — |
| 2004 | 81° | 47° | 64° | — | — |
| 2003 | 69° | 44° | 57° | — | — |
| 2002 | 64° | 48° | 56° | 0.28" | — |
| 2001 | 80° | 50° | 65° | — | — |
| 2000 | 73° | 45° | 59° | — | — |
| 1999 | 69° | 49° | 59° | — | — |
| 1998 | 69° | 54° | 61° | 0.61" | — |
| 1997 | 71° | 44° | 58° | — | — |
| 1996warmest | 91° | 61° | 76° | — | — |
| 1995 | 65° | 56° | 60° | 3.35" | — |
| 1994 | 66° | 44° | 55° | — | — |
| 1993 | 84° | 55° | 70° | — | — |
| 1992 | 78° | 49° | 63° | — | — |
| 1991 | 64° | 44° | 54° | — | — |
| 1990 | 86° | 51° | 69° | — | — |
| 1989 | 73° | 45° | 59° | — | — |
| 1988 | 66° | 41° | 54° | — | — |
| 1987 | 60° | 47° | 53° | 0.08" | — |
| 1986coldest | 59° | 44° | 52° | — | — |
| 1985 | 68° | 41° | 55° | — | — |
| 1984 | 59° | 50° | 55° | 0.13" | — |
| 1983 | 65° | 43° | 54° | 0.76" | — |
| 1982 | 64° | 44° | 54° | — | — |
| 1981 | 87° | 47° | 67° | — | — |
| 1980 | 68° | 47° | 57° | — | — |
| 1979 | 69° | 44° | 57° | — | — |
| 1978 | 69° | 45° | 57° | — | — |
| 1977 | 72° | 53° | 62° | 1.75" | — |
| 1976 | 80° | 46° | 63° | — | — |
| 1975 | 67° | 41° | 54° | — | — |
| 1974 | 70° | 45° | 57° | — | — |
| 1973 | 76° | 40° | 58° | — | — |
| 1972 | 86° | 40° | 63° | — | — |
| 1971 | 66° | 48° | 57° | — | — |
55 years of data from SANTA ROSA