In December, Bloomington typically sees daytime highs of 5.3°C and overnight lows around -4.1°C. Compared to the annual average high of 17.8°C, December runs -12.5°C.
December in Bloomington averages a daytime high of 5.3°C and an overnight low of -4.1°C.
December runs -12.5°C compared to Bloomington's annual average high of 17.8°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 5.3°C and cooler evenings around -4.1°C.