In February, Fontana typically sees daytime highs of 18.1°C and overnight lows around 4.4°C. Compared to the annual average high of 24.7°C, February runs -6.7°C.
February in Fontana averages a daytime high of 18.1°C and an overnight low of 4.4°C.
February runs -6.7°C compared to Fontana's annual average high of 24.7°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 18.1°C and cooler evenings around 4.4°C.