Yountville Weather in August

August in Yountville averages 31°C (88°F) during the day and 12°C (54°F) at night. With just 0 mm (0 in) of rainfall on average, it doesn't get much drier than this.

Rainfall in Yountville in August

The month is known for having the least rain of the year. Make the most of the sunshine and clear skies. This month experiences about 0 days of rain according to historical data, averaging 0 mm (0 in).

Temperature in Yountville in August

August is one of the better months to visit Yountville. Expect 31°C (88°F) during the day and 12°C (54°F) at night. Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. Nights drop to around 12°C (54°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 Yountville in August

The city usually sees around 290 hours of sunlight, indicating many sunny days , a great month for sightseeing.

If you prefer enjoying temperate temperatures and rain-free days, April, May, June and October typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.