United States · urban-centre population 76,355
Vacaville
Weather values are area-weighted across the 30 km² urban centre (2 ERA5 cells).
110.6
matching days / year for “Warm, not sweaty” · 2021-2025 recent-weather sample (not a 30-year normal)
Monthly high (p10–p90)
Whiskers span the 10th–90th percentile daily high; the tick marks the monthly average.
- January: average 15°C, p10 12°C, p90 19°C
- February: average 17°C, p10 13°C, p90 22°C
- March: average 18°C, p10 13°C, p90 24°C
- April: average 23°C, p10 16°C, p90 28°C
- May: average 26°C, p10 20°C, p90 32°C
- June: average 29°C, p10 24°C, p90 34°C
- July: average 30°C, p10 25°C, p90 35°C
- August: average 31°C, p10 27°C, p90 35°C
- September: average 29°C, p10 24°C, p90 36°C
- October: average 25°C, p10 20°C, p90 33°C
- November: average 18°C, p10 15°C, p90 22°C
- December: average 14°C, p10 10°C, p90 18°C
Matching days by month · Warm, not sweaty
- January: 3.8 matching days per year
- February: 9.2 matching days per year
- March: 10.0 matching days per year
- April: 15.8 matching days per year
- May: 15.2 matching days per year
- June: 12.0 matching days per year
- July: 7.4 matching days per year
- August: 3.0 matching days per year
- September: 7.4 matching days per year
- October: 13.0 matching days per year
- November: 11.0 matching days per year
- December: 2.8 matching days per year
Presets
- Eternal spring: 77.6 days/yr
- Mild and dry: 104.0 days/yr
- Beach weather: 121.0 days/yr
- Crisp and clear: 15.4 days/yr
- Warm, not sweaty: 110.6 days/yr