Weather on April 15
Santa Rosa, CA
55 Years of Data
Avg High
68°F
Avg Low
43°F
Warmest
1999
68°F avg
Coldest
1975
45°F avg
About This Date
April 15th in Santa Rosa, CA typically brings mild spring weather, with average highs around 68°F and lows near 43°F — a 25°F daily swing. Over 55 years of records, the warmest April 15th was in 1999 (68°F average), while the coldest was 1975 (45°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 16% of April 15th dates historically, with the wettest April 15th recording 0.61" 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 April 15th in Santa Rosa, CA? Great weather for outdoor activities.
Cooling Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 59° | 49° | 54° | — | — |
| 2024 | 70° | 43° | 56° | — | — |
| 2023 | 60° | 42° | 51° | — | — |
| 2022 | 62° | 44° | 53° | — | — |
| 2021 | 64° | 43° | 53° | — | — |
| 2020 | 80° | 43° | 61° | — | — |
| 2019 | 55° | 43° | 49° | — | — |
| 2018 | 75° | 42° | 59° | 0.28" | — |
| 2017 | 67° | 42° | 54° | — | — |
| 2016 | 73° | 43° | 58° | — | — |
| 2015 | 76° | 45° | 60° | — | — |
| 2014 | 71° | 47° | 59° | — | — |
| 2013 | 59° | 43° | 51° | — | — |
| 2012 | 65° | 41° | 53° | — | — |
| 2011 | 70° | 44° | 57° | — | — |
| 2010 | 70° | 38° | 54° | — | — |
| 2009 | 66° | 42° | 54° | — | — |
| 2008 | 64° | 41° | 53° | — | — |
| 2007 | 70° | 39° | 54° | — | — |
| 2006 | 67° | 48° | 57° | 0.15" | — |
| 2005 | 73° | 40° | 56° | — | — |
| 2004 | 61° | 40° | 50° | 0.03" | — |
| 2003 | 60° | 37° | 49° | — | — |
| 2002 | 64° | 45° | 54° | — | — |
| 2001 | 62° | 37° | 50° | — | — |
| 2000 | 57° | 48° | 53° | — | — |
| 1999warmest | 85° | 51° | 68° | — | — |
| 1998 | 62° | 37° | 50° | 0.3" | — |
| 1997 | 81° | 50° | 65° | — | — |
| 1996 | 72° | 51° | 61° | 0.18" | — |
| 1995 | 63° | 41° | 52° | 0.61" | — |
| 1994 | 76° | 49° | 62° | — | — |
| 1993 | 65° | 52° | 58° | — | — |
| 1992 | 68° | 49° | 58° | 0.05" | — |
| 1991 | 62° | 42° | 52° | — | — |
| 1990 | 63° | 53° | 58° | — | — |
| 1989 | 64° | 51° | 58° | — | — |
| 1988 | 64° | 47° | 55° | — | — |
| 1987 | 80° | 42° | 61° | — | — |
| 1986 | 58° | 44° | 51° | 0.41" | — |
| 1985 | 73° | 46° | 60° | — | — |
| 1984 | 83° | 47° | 65° | — | — |
| 1983 | 70° | 39° | 54° | — | — |
| 1982 | 65° | 33° | 49° | 0.05" | — |
| 1981 | 74° | 41° | 57° | — | — |
| 1980 | 76° | 42° | 59° | — | — |
| 1979 | 80° | 41° | 61° | — | — |
| 1978 | 59° | 47° | 53° | — | — |
| 1977 | 82° | 40° | 61° | — | — |
| 1976 | 69° | 45° | 57° | — | — |
| 1975coldest | 58° | 33° | 45° | — | — |
| 1974 | 70° | 37° | 53° | — | — |
| 1973 | 68° | 46° | 57° | — | — |
| 1972 | 77° | 40° | 58° | — | — |
| 1971 | 73° | 45° | 59° | — | — |
55 years of data from SANTA ROSA