Planning a trip to the Napa Valley, the United States of America this July? Here's what you need to know about the weather:
What to Expect in the Napa Valley in July
The Napa Valley, the United States of America is a region in the United States of America. July in the Napa Valley generally has temperatures that range from warm to very warm, with almost no precipitation. During July, summer is in full swing.
Temperatures
Based on our climate data spanning from 1990-2020, the average maximum temperature is warm in American Canyon at 27°C (81°F) to very warm in Calistoga at 32°C (90°F). Nighttime temperatures generally drop to 13°C (55°F) in Calistoga and 13°C (55°F) in American Canyon. The temperatures cited for both day and night represent usual averages, but it's possible some days could be hotter. It's advisable to dress accordingly to handle the heat.For a closer look at conditions across the Napa Valley, the United States of America, refer to the map below.
Precipitation
July is a very dry month with an average rainfall of around 0.1 mm (0 in) in Napa. Going by our weather data, this month in Napa usually has the least rain, making it the driest month of the year.Average sunshine
Sunshine is generally plentiful throughout many areas. Napa enjoys about 306 hours of sunlight, ideal for those seeking sunny weather.
