In December, South Bend typically sees daytime highs of 1.9°C and overnight lows around -5.6°C. Compared to the annual average high of 15.1°C, December runs -13.1°C.
December in South Bend averages a daytime high of 1.9°C and an overnight low of -5.6°C.
December runs -13.1°C compared to South Bend's annual average high of 15.1°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 1.9°C and cooler evenings around -5.6°C.