Best time to visit Grass Valley, CA
A month-by-month travel weather guide based on NOAA 30-year climate normals.
The most comfortable travel window in Grass Valley runs from April through June — 3 months of pleasant temperatures and modest rainfall.
Frequent rain. Bring waterproof gear; outdoor plans need flexibility.
Daylight ≈ 9h 32m
Frequent rain. Bring waterproof gear; outdoor plans need flexibility.
Daylight ≈ 10h 31m
Frequent rain. Bring waterproof gear; outdoor plans need flexibility.
Daylight ≈ 11h 44m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 13h 2m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 14h 9m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 14h 43m
Summer heat. Avoid midday exertion; aim for morning and evening activities.
Daylight ≈ 14h 30m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 13h 32m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 12h 14m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 10h 57m
Frequent rain. Bring waterproof gear; outdoor plans need flexibility.
Daylight ≈ 9h 48m
Frequent rain. Bring waterproof gear; outdoor plans need flexibility.
Daylight ≈ 9h 15m
Looking for similar climates? See Grass Valley's climate twins. Or jump straight to the full climate profile.