Weather on April 18
Vacaville, CA
55 Years of Data
About This Date
April 18th in Vacaville, CA typically brings pleasant spring weather, with average highs around 73°F and lows near 45°F — a 28°F daily swing. Over 56 years of records, the warmest April 18th was in 2009 (69°F average), while the coldest was 1979 (49°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 14% of April 18th dates historically, with the wettest April 18th recording 1.32" of rain. The last decade has been 3.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.8°F warmer on this date compared to 20-30 years ago.
Planning for April 18th in Vacaville, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 77° | 39° | 58° | — | — |
| 2025 | 79° | 44° | 61° | — | — |
| 2024 | 82° | 46° | 64° | — | — |
| 2023 | 64° | 41° | 53° | — | — |
| 2022 | 73° | 42° | 58° | — | — |
| 2021 | 92° | 45° | 68° | — | — |
| 2020 | 68° | 50° | 59° | — | — |
| 2019 | 85° | 47° | 66° | — | — |
| 2018 | 63° | 39° | 51° | — | — |
| 2017 | 71° | 47° | 59° | — | — |
| 2016 | 87° | 50° | 69° | — | — |
| 2015 | 87° | 45° | 66° | — | — |
| 2014 | 78° | 49° | 63° | — | — |
| 2013 | 79° | 48° | 63° | — | — |
| 2012 | 75° | 49° | 62° | — | — |
| 2011 | 67° | 53° | 60° | — | — |
| 2010 | 77° | 48° | 63° | — | — |
| 2009warmest | 87° | 50° | 69° | — | — |
| 2008 | 77° | — | — | — | — |
| 2007 | 64° | 43° | 53° | — | — |
| 2006 | 70° | 44° | 57° | — | — |
| 2005 | 71° | 45° | 58° | — | — |
| 2004 | 57° | 41° | 49° | 0.05" | — |
| 2003 | 69° | 40° | 54° | — | — |
| 2002 | 67° | 36° | 51° | — | — |
| 2001 | 72° | 48° | 60° | — | — |
| 2000 | 66° | 40° | 53° | — | — |
| 1999 | 84° | 47° | 65° | — | — |
| 1998 | 71° | 39° | 55° | — | — |
| 1997 | 81° | 51° | 66° | 0.1" | — |
| 1996 | 67° | — | — | 0.36" | — |
| 1995 | 66° | 39° | 53° | — | — |
| 1994 | 85° | 47° | 66° | — | — |
| 1993 | 66° | 45° | 55° | 0.05" | — |
| 1992 | 77° | 57° | 67° | — | — |
| 1991 | 69° | 41° | 55° | — | — |
| 1990 | 75° | 50° | 63° | — | — |
| 1989 | 83° | 47° | 65° | — | — |
| 1988 | 67° | 48° | 57° | 1.32" | — |
| 1987 | 65° | 46° | 55° | — | — |
| 1986 | 70° | 40° | 55° | — | — |
| 1985 | 72° | 41° | 56° | — | — |
| 1984 | 59° | 46° | 53° | 0.71" | — |
| 1983 | 67° | 51° | 59° | 0.13" | — |
| 1982 | 75° | 40° | 57° | — | — |
| 1981 | 66° | 50° | 58° | — | — |
| 1980 | 77° | 43° | 60° | — | — |
| 1979coldest | 65° | 34° | 49° | — | — |
| 1978 | 66° | 44° | 55° | — | — |
| 1977 | 80° | 43° | 61° | — | — |
| 1976 | 75° | 43° | 59° | — | — |
| 1975 | 74° | 40° | 57° | — | — |
| 1974 | 61° | 42° | 51° | 0.18" | — |
| 1973 | 70° | 45° | 57° | — | — |
| 1972 | 69° | 48° | 59° | — | — |
| 1971 | 68° | 35° | 52° | — | — |
Vacaville, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Vacaville, CA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Vacaville, 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 Vacaville, CA
Vacaville, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.