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Rantoul December Weather

Averages and records for weather in Rantoul, Illinois in the month of December.

Typical Rantoul December Weather 1991–2020
Average daily high	39.3 °F
Average daily low	21.8 °F
Average monthly precipitation	2.1 inches
Average monthly snow	2.0 inches
Daily chance of precipitation	23.8%
Daily chance of snow	4.4%

Rantoul December Weather Records 1893–2023
Highest temperature	75 °F	December 4, 1999
Lowest temperature	-22 °F	December 22, 1989
Highest daily low	60 °F	December 29, 1984
Lowest daily high	-8 °F	December 21, 1989
Hottest average high temperature	49.6 °F	2021
Coldest average high temperature	23.7 °F	1963
Most daily precipitation	2.9 inches	December 7, 1966
Most monthly precipitation	7.1 inches	1967
Most daily snow	8.5 inches	December 2, 1893
Most monthly snow	17.7 inches	1973

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
December 1	44.5	26.2	68	5
December 2	44.3	26.0	67	6
December 3	43.8	25.6	70	4
December 4	43.4	25.2	75	1
December 5	43.0	24.9	70	0
December 6	42.5	24.5	66	0
December 7	42.2	24.2	70	-6
December 8	41.8	24.0	65	-6
December 9	41.5	23.9	67	-10
December 10	41.1	23.5	64	-9
December 11	40.7	23.2	64	-7
December 12	40.4	22.9	64	-8
December 13	40.1	22.7	63	-10
December 14	39.7	22.4	63	-6
December 15	39.3	22.2	70	-13
December 16	39.1	21.9	65	-12
December 17	39.0	21.7	63	-9
December 18	38.7	21.4	65	-10
December 19	38.4	21.0	58	-13
December 20	38.1	20.7	61	-14
December 21	38.0	20.5	64	-19
December 22	37.9	20.4	59	-22
December 23	37.8	20.2	62	-17
December 24	37.6	20.1	62	-14
December 25	37.4	19.9	63	-9
December 26	37.2	19.7	63	-11
December 27	37.0	19.5	61	-10
December 28	36.9	19.4	63	-4
December 29	36.9	19.3	68	-10
December 30	36.7	19.1	64	-13
December 31	36.4	18.7	63	-15

Weather Station Details

Years	Station	Coordinates
1893–2023	Rantoul	location