Annual mean
Annual mean of daily highs
Annual mean of daily lows
Vacaville city, California
Official LSAD Designation: Vacaville city • Census GEOID: 0681554
• Solano County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Vacaville city.
Reference Weather Station: VACAVILLE NUT TREE AP, CA US (ID: USW00093241)
• Located 1.4 miles from community center
• Elevation: 33.2 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 57.6° | 37.7° | 47.7° | 5.26" |
| February | 62.6° | 40.3° | 51.5° | 5.06" |
| March | 67.7° | 43.0° | 55.3° | 3.69" |
| April | 72.8° | 45.8° | 59.3° | 1.29" |
| May | 81.0° | 51.1° | 66.1° | 0.81" |
| June | 89.5° | 56.4° | 73.0° | 0.17" |
| July | 95.0° | 59.0° | 77.0° | 0.01" |
| August | 93.8° | 57.9° | 75.9° | 0.02" |
| September | 90.6° | 55.6° | 73.1° | 0.06" |
| October | 79.9° | 49.1° | 64.5° | 1.08" |
| November | 66.5° | 41.5° | 54.0° | 2.31" |
| December | 57.8° | 37.1° | 47.5° | 5.08" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station VACAVILLE NUT TREE AP, CA US (ID: USW00093241) • 1.4 miles from community center .
This is the same reference station used for monthly normals.
Source: NOAA NCEI Global Summary of the Year.
Annual temperature data table (°F)
| Year | Annual mean (°F) | Annual mean of daily highs (°F) | Annual mean of daily lows (°F) |
|---|---|---|---|
| 2010 | 61.4 | 73.4 | 49.4 |
| 2011 | 60.1 | 73.2 | 47.0 |
| 2012 | 61.5 | 75.5 | 47.4 |
| 2013 | 61.5 | 76.6 | 46.4 |
| 2014 | 63.6 | 77.6 | 49.6 |
| 2015 | 64.0 | 78.4 | 49.5 |
| 2016 | 63.2 | 77.0 | 49.4 |
| 2017 | 63.6 | 77.2 | 50.0 |
| 2018 | 62.4 | 77.4 | 47.5 |
| 2019 | 62.4 | 76.1 | 48.6 |
| 2020 | 63.6 | 79.0 | 48.3 |
| 2021 | 63.0 | 77.5 | 48.6 |
| 2022 | 63.6 | 79.1 | 48.0 |
| 2023 | 61.6 | 75.5 | 47.7 |
| 2024 | 63.6 | 77.9 | 49.2 |
| 2025 | 62.3 | 75.8 | 48.8 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.