Weather on June 18
Santa Rosa, CA
55 Years of Data
Avg High
81°F
Avg Low
52°F
Warmest
2017
87°F avg
Coldest
2011
57°F avg
About This Date
June 18th in Santa Rosa, CA typically brings warm summer weather, with average highs around 81°F and lows near 52°F — a 29°F daily swing. Over 55 years of records, the warmest June 18th was in 2017 (87°F average), while the coldest was 2011 (57°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 2% of June 18th dates historically. The last decade has been 4.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.6°F warmer on this date compared to 20-30 years ago.
Planning for June 18th in Santa Rosa, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 93° | 50° | 72° | — | — |
| 2024 | 87° | 52° | 69° | — | — |
| 2023 | 82° | 53° | 68° | — | — |
| 2022 | 77° | 47° | 62° | — | — |
| 2021 | 101° | 58° | 79° | — | — |
| 2020 | 95° | 53° | 74° | — | — |
| 2019 | 78° | 46° | 62° | — | — |
| 2018 | 75° | 55° | 65° | — | — |
| 2017warmest | 104° | 69° | 87° | — | — |
| 2016 | 81° | 52° | 66° | — | — |
| 2015 | 78° | 47° | 62° | — | — |
| 2014 | 87° | 52° | 69° | — | — |
| 2013 | 72° | 51° | 61° | — | — |
| 2012 | 78° | — | — | — | — |
| 2011coldest | 71° | 43° | 57° | — | — |
| 2010 | 77° | 46° | 62° | — | — |
| 2009 | 90° | 56° | 73° | — | — |
| 2008 | 94° | 52° | 73° | — | — |
| 2007 | 85° | 50° | 67° | — | — |
| 2006 | 89° | 50° | 70° | — | — |
| 2005 | 67° | 54° | 60° | 0.13" | — |
| 2004 | 70° | 56° | 63° | — | — |
| 2003 | 81° | 49° | 65° | — | — |
| 2002 | 87° | 59° | 73° | — | — |
| 2001 | 90° | 53° | 71° | — | — |
| 2000 | 67° | 55° | 61° | — | — |
| 1999 | 79° | 51° | 65° | — | — |
| 1998 | 75° | 51° | 63° | — | — |
| 1997 | 83° | 52° | 67° | — | — |
| 1996 | 82° | 57° | 70° | — | — |
| 1995 | 67° | 51° | 59° | — | — |
| 1994 | 81° | 50° | 65° | — | — |
| 1993 | 97° | 62° | 79° | — | — |
| 1992 | 76° | 52° | 64° | — | — |
| 1991 | 75° | 46° | 61° | — | — |
| 1990 | 73° | 52° | 62° | — | — |
| 1989 | 85° | 55° | 70° | — | — |
| 1988 | 92° | 56° | 74° | — | — |
| 1987 | 74° | 48° | 61° | — | — |
| 1986 | 77° | 48° | 63° | — | — |
| 1985 | 71° | 53° | 62° | — | — |
| 1984 | 82° | 52° | 67° | — | — |
| 1983 | 84° | 50° | 67° | — | — |
| 1982 | 66° | 51° | 59° | — | — |
| 1981 | 95° | 62° | 79° | — | — |
| 1980 | 75° | 48° | 62° | — | — |
| 1979 | 80° | 42° | 61° | — | — |
| 1978 | 87° | 53° | 70° | — | — |
| 1977 | 75° | 51° | 63° | — | — |
| 1976 | 75° | 53° | 64° | — | — |
| 1975 | 78° | 47° | 62° | — | — |
| 1974 | 70° | 51° | 60° | — | — |
| 1973 | 92° | 46° | 69° | — | — |
| 1972 | 84° | 49° | 66° | — | — |
| 1971 | 91° | 52° | 71° | — | — |
55 years of data from SANTA ROSA