In February, Sioux City typically sees daytime highs of 1.7°C and overnight lows around -10.2°C. Compared to the annual average high of 15.8°C, February runs -14.1°C.
February in Sioux City averages a daytime high of 1.7°C and an overnight low of -10.2°C.
February runs -14.1°C compared to Sioux City's annual average high of 15.8°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 1.7°C and cooler evenings around -10.2°C.