Climate almanac
Vacaville
California, US · 38.36°, -121.99°
What is the climate like in Vacaville?
Vacaville is warmest in August, when daily highs average 88°F (31°C), and coolest in December, when lows fall to about 43°F (6°C). The wettest month is typically January and the driest is August; the year sees roughly 21 in of precipitation.
- Warmest monthAugust — average high 88°F (31°C)
- Coolest monthDecember — average low 43°F (6°C)
- Wettest monthJanuary (5.0 in)
- Driest monthAugust (0.0 in)
- Annual precipitation21 in