Typical Weather in Bloomington, IL in December
38° F Avg High
21° F Avg Low
6 Rainy Days
☀️ Temperature Summary
December is one of the cooler months of the year for Bloomington, with highs averaging around 38°F. You can expect overnight lows near 21°F most days. Temperatures will usually fall as the month goes on, with daily high temperatures ranging between 45°F and 36°F.
You may want to consider a warmer month to visit Bloomington, unless you're ready to brave the cold. If you're looking to travel when it's warmer, you might consider visiting in November instead, when daily highs are typically closer to 51°.
High Temps Throughout the Year
☔ Rain Summary
In December you can expect close to a 19% chance of rain for any given day. It rains less than usual in December, with total rainfall for the month typically near 2 inches.
Rainfall Throughout the Year
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