Vacaville Weather in August

With daytime temperatures of 33°C (91°F) and nighttime lows of 15°C (59°F), August in Vacaville brings very high temperatures during the day. It is also the driest month of the year, with minimal rainfall.

Rainfall in Vacaville in August

Take advantage of the dry conditions this month, with minimal rain expected. Rain is expected on roughly 0 days, totalling around 0.1 mm (0 in) for the month.

Temperature in Vacaville in August

August in Vacaville is generally excellent, with days reaching 33°C (91°F) and nights settling around 15°C (59°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. Nights drop to around 15°C (59°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Vacaville in August

There are approximately 406 hours of sunshine this month, resulting in mostly clear days.

Should you favor a climate that's both dry and comfortably warm, April, May and October typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.