In December, Bloomington typically sees daytime highs of 3.0°C and overnight lows around -5.9°C. Compared to the annual average high of 16.5°C, December runs -13.5°C.
December in Bloomington averages a daytime high of 3.0°C and an overnight low of -5.9°C.
December runs -13.5°C compared to Bloomington's annual average high of 16.5°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 3.0°C and cooler evenings around -5.9°C.