While many factors play into the science of Napa Valley – and how such science lends itself to creating world-class wines, one cannot discuss Napa Valley without mentioning the Napa Valley weather. The Napa Valley Climate in combination with soils and geology (over 100 different soil variations), and geography make Napa Valley, California the ideal place for growing a variety of wine grapes. As most oenophile’s know Napa Valley Climate Wine is among the most prestigious of all wines grown in America.

The climate of the Napa Valley is best described as a Mediterranean Climate, a climate only found in about 2% of the world. During the Napa Valley season of growing – the Mediterranean climate may be noted by the long, warm, sunny and dry days followed by cool to mild evenings. While most of Napa weather can be described as mild, the microclimates found within the Napa Valley can be distinctive and dramatic. Often, the configuration of the hills, mountains and valleys and reach of marine breezes can influence the Napa weather.

While most wineries are open throughout the four seasons of Napa, Napa Valley High Season typically falls between late August through November (the region’s harvest season) or March through May. Perhaps the best season for Napa Valley is the Napa Valley High Season, as weather averages highs between 70-80 degrees fahrenheit and lows from the high 40’s to 50’s. Because of the mild temperatures of Napa Valley High Season, it does draw crowds – making an alternative for those who want to tour Napa without the crowds a visit to Napa during the Napa Valley off season. Off season in Napa Valley runs during the Winter and Spring (excluding March – May) and is a great time to get the most out of Napa, including off season Napa Valley rates on resorts, boutique B&Bs, and spas.

No matter the season and no matter the weather conditions, we at We Drive Your Car Napa Valley are happy to help you tour the Napa Valley. Forego buying a Napa Valley Map and researching Napa Valley climate information and call us to plan an itinerary customized around your interests. At We Drive Your Car Napa Valley, our guides are Napa Valley locals, who know the best ways to navigate the four seasons Napa Valley offers. With We Drive Your Car Napa Valley, you enjoy the best Napa Valley has to offer – from the comforts of your own car.