Weather on February 18
Santa Rosa, CA
55 Years of Data
About This Date
February 18th in Santa Rosa, CA typically brings mild winter weather, with average highs around 61°F and lows near 41°F. Over 56 years of records, the warmest February 18th was in 1995 (59°F average), while the coldest was 2011 (37°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 36% of February 18th dates historically, with the wettest February 18th recording 3.63" of rain. The last decade has been 2.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.0°F cooler on this date compared to 20-30 years ago.
Planning for February 18th in Santa Rosa, CA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 55° | 34° | 44° | 0.48" | — |
| 2025 | 66° | 43° | 54° | — | — |
| 2024 | 60° | 47° | 53° | 3.63" | — |
| 2023 | 64° | 28° | 46° | — | — |
| 2022 | 67° | 45° | 56° | — | — |
| 2021 | 64° | 36° | 50° | — | — |
| 2020 | 68° | 35° | 52° | — | — |
| 2019 | 59° | 29° | 44° | — | — |
| 2018 | 65° | 39° | 52° | — | — |
| 2017 | 58° | 45° | 51° | — | — |
| 2016 | 55° | 47° | 51° | — | — |
| 2015 | 63° | 50° | 56° | — | — |
| 2014 | 62° | 47° | 54° | — | — |
| 2013 | 50° | 39° | 45° | — | — |
| 2012 | 62° | 40° | 51° | — | — |
| 2011coldest | 44° | 30° | 37° | 0.48" | — |
| 2010 | 71° | 44° | 58° | — | — |
| 2009 | 63° | 43° | 53° | 0.18" | — |
| 2008 | 56° | 36° | 46° | — | — |
| 2007 | 71° | 40° | 55° | — | — |
| 2006 | 48° | 31° | 39° | 0.08" | — |
| 2005 | 61° | 50° | 55° | 1.57" | — |
| 2004 | 62° | 45° | 53° | 1.27" | — |
| 2003 | 65° | 35° | 50° | — | — |
| 2002 | 54° | 37° | 45° | — | — |
| 2001 | 55° | 49° | 52° | 0.25" | — |
| 2000 | 65° | 37° | 51° | — | — |
| 1999 | 62° | 47° | 54° | 1.02" | — |
| 1998 | 57° | 42° | 50° | 0.38" | — |
| 1997 | 66° | 41° | 54° | — | — |
| 1996 | 62° | 56° | 59° | 0.81" | — |
| 1995warmest | 70° | 48° | 59° | — | — |
| 1994 | 51° | 38° | 44° | 1.35" | — |
| 1993 | 58° | 48° | 53° | 1.52" | — |
| 1992 | 56° | 47° | 51° | 1.24" | — |
| 1991 | 72° | 43° | 57° | — | — |
| 1990 | 52° | 28° | 40° | — | — |
| 1989 | 51° | 46° | 49° | 0.46" | — |
| 1988 | 66° | 45° | 55° | — | — |
| 1987 | 62° | 40° | 51° | — | — |
| 1986 | 60° | 54° | 57° | 1.73" | — |
| 1985 | 68° | 38° | 53° | — | — |
| 1984 | 59° | 37° | 48° | — | — |
| 1983 | 59° | 50° | 55° | 1.57" | — |
| 1982 | 67° | 41° | 54° | — | — |
| 1981 | 70° | 45° | 57° | — | — |
| 1980 | 63° | 52° | 57° | 1.14" | — |
| 1979 | 57° | 34° | 45° | 3.35" | — |
| 1978 | 66° | 49° | 57° | — | — |
| 1977 | 78° | 37° | 58° | — | — |
| 1976 | 60° | 43° | 51° | — | — |
| 1975 | 59° | 33° | 46° | — | — |
| 1974 | 58° | 41° | 49° | 0.41" | — |
| 1973 | 67° | 33° | 50° | — | — |
| 1972 | 73° | 43° | 58° | — | — |
| 1971 | 60° | 35° | 48° | — | — |
Santa Rosa, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Santa Rosa, CA Monthly Precipitation
Average rainfall per month, in inches.
Santa Rosa, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Santa Rosa, CA
Most pleasant months in Santa Rosa, CA: July.