Weather on April 9
Santa Rosa, CA
55 Years of Data
Avg High
69°F
Avg Low
43°F
Warmest
1989
73°F avg
Coldest
1999
45°F avg
About This Date
April 9th in Santa Rosa, CA typically brings mild spring weather, with average highs around 69°F and lows near 43°F — a 26°F daily swing. Over 56 years of records, the warmest April 9th was in 1989 (73°F average), while the coldest was 1999 (45°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 23% of April 9th dates historically, with the wettest April 9th recording 1.07" of rain. The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
Planning for April 9th in Santa Rosa, CA? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 73° | 52° | 62° | — | — |
| 2025 | 80° | 45° | 62° | — | — |
| 2024 | 77° | 44° | 61° | — | — |
| 2023 | 76° | 40° | 58° | — | — |
| 2022 | 81° | 44° | 62° | — | — |
| 2021 | 71° | 40° | 55° | — | — |
| 2020 | 65° | 51° | 58° | 0.03" | — |
| 2019 | 69° | 44° | 57° | 0.08" | — |
| 2018 | 78° | 43° | 60° | — | — |
| 2017 | 60° | 39° | 50° | — | — |
| 2016 | 56° | 53° | 54° | — | — |
| 2015 | 68° | 43° | 55° | — | — |
| 2014 | 69° | 47° | 58° | — | — |
| 2013 | 76° | 46° | 61° | — | — |
| 2012 | 72° | 42° | 57° | — | — |
| 2011 | 67° | 34° | 50° | — | — |
| 2010 | 74° | 39° | 56° | — | — |
| 2009 | 60° | 50° | 55° | 0.38" | — |
| 2008 | 67° | 37° | 52° | — | — |
| 2007 | 70° | 48° | 59° | — | — |
| 2006 | 62° | 48° | 55° | 0.08" | — |
| 2005 | 68° | 41° | 55° | 0.05" | — |
| 2004 | 76° | 42° | 59° | — | — |
| 2003 | 73° | 40° | 56° | — | — |
| 2002 | 57° | 50° | 54° | 0.28" | — |
| 2001 | 63° | 38° | 50° | — | — |
| 2000 | 68° | 42° | 55° | — | — |
| 1999coldest | 58° | 33° | 45° | — | — |
| 1998 | 60° | 48° | 54° | 0.56" | — |
| 1997 | 70° | 42° | 56° | — | — |
| 1996 | 66° | 53° | 60° | 0.2" | — |
| 1995 | 64° | 38° | 51° | — | — |
| 1994 | 64° | 44° | 54° | 0.89" | — |
| 1993 | 64° | 45° | 54° | 0.05" | — |
| 1992 | 67° | 44° | 55° | — | — |
| 1991 | 74° | 48° | 61° | — | — |
| 1990 | 74° | 41° | 57° | — | — |
| 1989warmest | 91° | 55° | 73° | — | — |
| 1988 | 84° | 43° | 63° | — | — |
| 1987 | 75° | 47° | 61° | — | — |
| 1986 | 67° | 42° | 54° | — | — |
| 1985 | 62° | 44° | 53° | — | — |
| 1984 | 60° | 40° | 50° | — | — |
| 1983 | 58° | 45° | 51° | — | — |
| 1982 | 71° | 37° | 54° | — | — |
| 1981 | 70° | 44° | 57° | — | — |
| 1980 | 68° | 44° | 56° | 0.15" | — |
| 1979 | 70° | 43° | 56° | — | — |
| 1978 | 88° | 43° | 65° | — | — |
| 1977 | 68° | 35° | 52° | — | — |
| 1976 | 67° | 38° | 52° | — | — |
| 1975 | 67° | 33° | 50° | 0.18" | — |
| 1974 | 62° | 41° | 52° | 1.07" | — |
| 1973 | 77° | 45° | 61° | — | — |
| 1972 | 67° | 37° | 52° | — | — |
| 1971 | 62° | 46° | 54° | — | — |
56 years of data from SANTA ROSA