Yountville Weather in May

With daytime temperatures of 25°C (77°F) and nighttime lows of 10°C (50°F), May in Yountville brings high temperatures during the day. The excellent weather makes it an appealing time to visit.

Rainfall in Yountville in May

Climate statistics over the past 30 years suggest around 4 days of rain, with 19 mm (0.7 in) average for the month. Rain is scarce this month and when it does fall, it tends to be light. Unlikely to disrupt plans significantly.

Temperature in Yountville in May

Weather in Yountville is at its excellent in May. Highs reach 25°C (77°F), while nights settle around 10°C (50°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights drop to 10°C (50°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Yountville in May

With approximately 310 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

If your ideal day consists of dry skies and pleasant temperatures, April, May, June and October typically offer the best circumstances for Yountville.