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Rantoul August Weather

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

Typical Rantoul August Weather 1991–2020
Average daily high	85.2 °F
Average daily low	61.5 °F
Average monthly precipitation	3.8 inches
Average monthly snow	none
Daily chance of precipitation	25.7%
Daily chance of snow	0%

Rantoul August Weather Records 1893–2023
Highest temperature	102 °F	August 17, 1988
Lowest temperature	38 °F	August 29, 1986
Highest daily low	80 °F	August 2, 2006
Lowest daily high	60 °F	August 11, 1982
Hottest average high temperature	90.9 °F	2010
Coldest average high temperature	79.7 °F	1992
Most daily precipitation	6.2 inches	August 6, 1977
Most monthly precipitation	12.8 inches	1977
Most daily snow	none	-
Most monthly snow	none	-

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

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
August 1	86.1	63.1	99	42
August 2	85.9	62.9	102	49
August 3	85.8	62.8	99	43
August 4	85.6	62.6	98	40
August 5	85.5	62.5	98	44
August 6	85.4	62.3	94	46
August 7	85.3	62.2	96	46
August 8	85.3	62.1	98	45
August 9	85.2	62.1	97	47
August 10	85.2	62.0	97	50
August 11	85.2	61.9	98	46
August 12	85.2	61.8	99	47
August 13	85.2	61.8	97	47
August 14	85.3	61.8	99	45
August 15	85.3	61.6	98	46
August 16	85.2	61.6	100	46
August 17	85.1	61.4	102	48
August 18	85.0	61.3	100	50
August 19	84.8	61.2	96	50
August 20	84.8	61.1	102	44
August 21	84.9	61.1	100	47
August 22	84.8	60.9	98	49
August 23	84.8	60.8	98	46
August 24	84.7	60.7	96	48
August 25	84.6	60.5	97	42
August 26	84.5	60.3	96	43
August 27	84.3	60.1	98	46
August 28	84.2	59.9	97	42
August 29	84.1	59.7	97	38
August 30	84.1	59.5	97	43
August 31	84.0	59.3	98	43

Weather Station Details

Years	Station	Coordinates
1893–2023	Rantoul	location