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The hottest month of the year in Napa is July, with an average high of 82°F and low of 56°F. The cool season lasts for 2.4 months, from November 28 to February 10, with an average daily high temperature below 60°F. The coldest month of the year in Napa is January, with an average low of 40°F and high of 56°F.
Currently: 61 °F. Clear. (Weather station: Napa County Airport, USA). See more current weather. Annual Weather Averages Near Napa. Averages are for Napa County Airport, which is 6 miles from Napa. Based on weather reports collected during 1992–2021. Showing: Weather by CustomWeather, © 2024. Need some help? Climate data and weather averages in Napa
Napa Temperatures: Averages by Month. The numbers here tell you how hot and cold the weather usually is in Napa, California during each month of the year. The average high and low temperatures are listed below for Napa, in both degrees Fahrenheit and Celsius.
Napa weather averages and climate Napa, California. Monthly temperature, precipitation and hours of sunshine. A climate graph showing rainfall, temperatures and normals.
In Napa, the climate is warm and temperate. The winters are rainier than the summers in Napa. The climate here is classified as Csc by the Köppen-Geiger. The temperature in this location is approximately 15.0 °C | 59.0 °F, as determined by statistical analysis.
Napa Valley enjoys mild weather year-round, but winter brings the coldest temperatures. While daytime temperatures rarely drop below 55 degrees between January and March, average lows range between 38 – 40 degrees F at night.
Check out Napa weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures. Temperature. Rainfall. Sunshine & daylight. UV levels & humidity.
