Best time to visit Vacaville, CA
A month-by-month travel weather guide based on NOAA 30-year climate normals.
The most comfortable travel window in Vacaville runs from March through May — 3 months of pleasant temperatures and modest rainfall.
Frequent rain. Bring waterproof gear; outdoor plans need flexibility.
Daylight ≈ 9h 36m
Frequent rain. Bring waterproof gear; outdoor plans need flexibility.
Daylight ≈ 10h 34m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 11h 45m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 13h 0m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 14h 5m
Summer heat. Avoid midday exertion; aim for morning and evening activities.
Daylight ≈ 14h 38m
Summer heat. Avoid midday exertion; aim for morning and evening activities.
Daylight ≈ 14h 25m
Summer heat. Avoid midday exertion; aim for morning and evening activities.
Daylight ≈ 13h 30m
Summer heat. Avoid midday exertion; aim for morning and evening activities.
Daylight ≈ 12h 14m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 10h 58m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 9h 52m
Frequent rain. Bring waterproof gear; outdoor plans need flexibility.
Daylight ≈ 9h 20m
Looking for similar climates? See Vacaville's climate twins. Or jump straight to the full climate profile.