Vacaville Weather in May
During May, Vacaville experiences high daytime temperatures of 27°C (81°F) and cooler nights around 11°C (52°F). Rainfall is low, averaging just 12 mm (0.5 in) for the month.
Rainfall in Vacaville in May
You can expect rain on roughly 3 days based on historical data, averaging 12 mm (0.5 in) for the month. The occasional light shower is possible, but rain is rarely an issue this month.
Temperature in Vacaville in May
May tends to be one of the perfect months in Vacaville, with 27°C (81°F) in the afternoon and 11°C (52°F) overnight. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 11°C (52°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Vacaville in May
There are approximately 406 hours of sunshine this month, resulting in mostly clear days.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Vacaville's climate page.
Vacaville Temperature in May
Min Temperature
11°C (52°F)
Max Temperature
27°C (81°F)
Chance of Rain
10%
Precipitation
12 mm (0.5 in)
Rainy days
3 days
Humidity
58% *
Sunshine
406 hours *
Percentage Sunshine
92% *
Best Places in the United States of America in May
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in May →
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What to Wear in Vacaville in May
Warm but pleasant conditions in Vacaville in May. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Dry conditions mean you won't need to worry about rain protection. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Vacaville in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Vacaville's climate page.
Temperature Rainfall Sunshine Humidity
See the full Vacaville climate overview or explore weather in the United States of America.
