In February, Napa typically sees daytime highs of 15.3°C and overnight lows around 4.1°C. Compared to the annual average high of 21.5°C, February runs -6.2°C.
February in Napa averages a daytime high of 15.3°C and an overnight low of 4.1°C.
February runs -6.2°C compared to Napa's annual average high of 21.5°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 15.3°C and cooler evenings around 4.1°C.