In June, Champaign typically sees daytime highs of 27.9°C and overnight lows around 15.3°C. Compared to the annual average high of 16.4°C, June runs +11.5°C.
June in Champaign averages a daytime high of 27.9°C and an overnight low of 15.3°C.
June runs +11.5°C compared to Champaign's annual average high of 16.4°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 27.9°C and cooler evenings around 15.3°C.