Champaign December Weather

Averages and records for weather in Champaign, Illinois in the month of December.
Typical Champaign December Weather
1991–2020
Average daily high 38.6 °F
Average daily low 23.4 °F
Average monthly precipitation 2.1 inches
Daily chance of precipitation 30.1%
Champaign December Weather Records
1902–2024
Highest temperature 73 °F December 3, 2012
Lowest temperature -20 °F December 24, 1983
Highest daily low 61 °F December 2, 1982
Lowest daily high -12 °F December 24, 1983
Hottest average high temperature 50.0 °F 2021
Coldest average high temperature 22.8 °F 1983
Most daily precipitation 2.7 inches December 7, 1966
Most monthly precipitation 6.7 inches 2015
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
December 1 44.1 27.5 68 8
December 2 43.7 27.2 69 0
December 3 43.2 26.9 73 -8
December 4 42.7 26.6 71 1
December 5 42.3 26.2 68 4
December 6 41.8 25.9 69 -2
December 7 41.5 25.7 66 -5
December 8 41.1 25.5 65 -6
December 9 40.8 25.3 65 -7
December 10 40.4 24.9 64 -10
December 11 40.0 24.6 64 -12
December 12 39.7 24.3 67 -7
December 13 39.4 24.0 64 -7
December 14 39.0 23.8 64 -4
December 15 38.7 23.5 70 -8
December 16 38.5 23.4 64 -11
December 17 38.2 23.2 62 -10
December 18 37.9 22.8 60 -11
December 19 37.7 22.6 59 -13
December 20 37.5 22.4 64 -18
December 21 37.4 22.2 63 -16
December 22 37.2 22.1 57 -16
December 23 37.1 21.9 64 -18
December 24 36.9 21.8 63 -20
December 25 36.7 21.7 62 -15
December 26 36.5 21.5 63 -13
December 27 36.4 21.4 62 -10
December 28 36.3 21.3 68 -20
December 29 36.2 21.1 62 -9
December 30 36.0 20.9 63 -13
December 31 35.7 20.6 65 -10
Weather Station Details
Years Station Coordinates
1999–2024 Champaign Willard Aiport location
1902–1998 Champaign 3S location