Cheap flights from Saint John to Napa Valley
Best time to book a flight from St John to Napa Valley
Have a flexible travel schedule? Discover the best time to fly to Napa Valley from St John with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Saint John to Napa Valley
Rainfall in Napa Valley by month
Plan your trip to Napa Valley by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Napa Valley ranges from 0.0 - 112.0 mm per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit Napa Valley when rainfall is around 0.0 mm.
Temperature in Napa Valley by month
Plan your trip to Napa Valley by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Napa Valley, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 8.0 C).
Related info for your journey
Find useful and relevant information for your journey from St John to Napa Valley. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for St John to Napa Valley
See prices for flight routes from nearby airports that may be better suited for you.
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