Ximonic (Simo Rasanen) / CC BY-SA 4.0
Vacaville, CA Weather on October 12
October 12th in Vacaville, CA typically brings warm fall weather, with average highs around 81°F and lows near 50°F — a 31°F daily swing. Over 55 years of records, the warmest October 12th was in 2001 (80°F average), while the coldest was 2012 (53°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 5% of October 12th dates historically, with the wettest October 12th recording 0.56" of rain. The last decade has been 3.8°F cooler on this date compared to 20-30 years ago.
What to Expect on October 12
Planning for October 12th in Vacaville, CA? Stay hydrated and seek shade during peak afternoon hours.
October 12 Weather Records for Vacaville
- •The all-time record high for October 12th in Vacaville, CA is 97°F, set in 1991.
- •The coldest October 12th on record dropped to 38°F in 2019.
- •Temperatures have reached 90°F or higher on October 12th in 12 of the last 55 years.
- •Last year (1971), October 12th was 9°F warmer than the long-term average.
Frequently Asked Questions
What was the warmest October 12 ever in Vacaville?
The warmest October 12 in Vacaville, CA reached 97°F in 1991. That is 16°F above the long-term average high of 81°F.
What was the coldest October 12 ever in Vacaville?
The coldest October 12 in Vacaville, CA dropped to 38°F in 2019. That is 12°F below the long-term average low of 50°F.
What is the average temperature on October 12 in Vacaville?
On October 12, Vacaville averages a high of 81°F and a low of 50°F based on 55 years of NOAA weather observations from VACAVILLE/NUT TREE AP ASOS.
How many years of weather data are available for October 12 in Vacaville?
We have 55 years of weather records for October 12 in Vacaville, CA, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
October 12 Weather History in Vacaville
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 77°F | 45°F | 0" | -- |
| 2024 | 81°F | 56°F | 0" | -- |
| 2023 | 82°F | 49°F | 0" | -- |
| 2022 | 87°F | 53°F | 0" | -- |
| 2021 | 72°F | 42°F | 0" | -- |
| 2020 | 90°F | 51°F | 0" | -- |
| 2019 | 81°F | 38°F | 0" | -- |
| 2018 | 87°F | 46°F | 0" | -- |
| 2017 | 79°F | 48°F | 0" | -- |
| 2016 | 78°F | 45°F | 0" | -- |
| 2015 | 95°F | 52°F | 0" | -- |
| 2014 | 94°F | 57°F | 0" | -- |
| 2013 | 76°F | 41°F | 0" | -- |
| 2012 | 61°F | 46°F | 0" | -- |
| 2011 | 84°F | 51°F | 0" | -- |
| 2010 | 94°F | 57°F | 0" | -- |
| 2009 | 65°F | 55°F | 0" | -- |
| 2008 | 74°F | 54°F | 0" | -- |
| 2007 | 59°F | 53°F | 0.56" | -- |
| 2006 | 84°F | 48°F | 0" | -- |
| 2005 | 88°F | 49°F | 0" | -- |
| 2004 | 95°F | 57°F | 0" | -- |
| 2003 | 88°F | 53°F | 0" | -- |
| 2002 | 86°F | 44°F | 0" | -- |
| 2001 | 93°F | 67°F | 0" | -- |
| 2000 | 67°F | 48°F | 0" | -- |
| 1999 | 92°F | 50°F | 0" | -- |
| 1998 | 78°F | 45°F | 0" | -- |
| 1997 | 74°F | 50°F | 0" | -- |
| 1996 | 83°F | 56°F | 0" | -- |
| 1995 | 80°F | 49°F | 0" | -- |
| 1994 | 74°F | 50°F | 0" | -- |
| 1993 | 79°F | 49°F | 0" | -- |
| 1992 | 92°F | 54°F | 0" | -- |
| 1991 | 97°F | 59°F | 0" | -- |
| 1990 | 87°F | 49°F | 0" | -- |
| 1989 | 85°F | 49°F | 0" | -- |
| 1988 | 72°F | 51°F | 0" | -- |
| 1987 | 79°F | 51°F | 0" | -- |
| 1986 | 75°F | 45°F | 0" | -- |
| 1985 | 76°F | 46°F | 0" | -- |
| 1984 | 75°F | 47°F | 0" | -- |
| 1983 | 84°F | 51°F | 0" | -- |
| 1982 | 83°F | 48°F | 0" | -- |
| 1981 | 66°F | 45°F | 0" | -- |
| 1980 | 73°F | 53°F | 0.03" | -- |
| 1979 | 80°F | 48°F | 0" | -- |
| 1978 | 93°F | 51°F | 0" | -- |
| 1977 | 89°F | 50°F | 0" | -- |
| 1976 | 92°F | 62°F | 0" | -- |
| 1975 | 68°F | 55°F | 0" | -- |
| 1974 | 88°F | 54°F | 0" | -- |
| 1973 | 80°F | 38°F | 0" | -- |
| 1972 | 67°F | 53°F | 0.12" | -- |
| 1971 | 90°F | 50°F | 0" | -- |
Based on 55 years of data from NOAA station: VACAVILLE/NUT TREE AP ASOS
Monthly Climate Averages
Historical temperature and precipitation averages for Vacaville, CA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.