In November, Napa typically sees daytime highs of 17.6°C and overnight lows around 5.1°C. Compared to the annual average high of 21.5°C, November runs -3.9°C.
November in Napa averages a daytime high of 17.6°C and an overnight low of 5.1°C.
November runs -3.9°C compared to Napa's annual average high of 21.5°C, ranking #8 of 12 months by warmth.
Plan for daytime highs near 17.6°C and cooler evenings around 5.1°C.