In February, Rancho Cucamonga typically sees daytime highs of 17.2°C and overnight lows around 4.3°C. Compared to the annual average high of 23.1°C, February runs -5.9°C.
February in Rancho Cucamonga averages a daytime high of 17.2°C and an overnight low of 4.3°C.
February runs -5.9°C compared to Rancho Cucamonga's annual average high of 23.1°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 17.2°C and cooler evenings around 4.3°C.