Month-by-month advice for visiting Cucamonga Valley wine country: weather, harvest, crowds and the seasons locals love.
Late fall through spring, when the inland light is clear and the tasting rooms are cool.
Season by season: October through May is prime; the Inland Empire's summer heat makes morning visits the smart play in July and August
The valley's remaining old vines are picked early in the Southern California heat, typically August, with fruit prized by producers statewide
Day one: Galleano's ranch and d'Ellena's landmark. Day two: San Antonio's Ontario patio and the Central Park heritage vineyard for context
Whenever you come, remember the region sits in the Inland Empire east of Los Angeles, with Route 66 crossing the appellation, so build the travel time into the day.
Every winery we track in the region, each with its own page.
See the full Cucamonga Valley guide → · Browse all wineries →