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Rantoul May Weather

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

Typical Rantoul May Weather 1991–2020
Average daily high	74.8 °F
Average daily low	51.3 °F
Average monthly precipitation	4.3 inches
Average monthly snow	none
Daily chance of precipitation	35.6%
Daily chance of snow	0%

Rantoul May Weather Records 1893–2023
Highest temperature	99 °F	May 28, 2018
Lowest temperature	26 °F	May 21, 2002
Highest daily low	76 °F	May 30, 1991
Lowest daily high	40 °F	May 2, 1909
Hottest average high temperature	85.7 °F	2018
Coldest average high temperature	67.2 °F	1960
Most daily precipitation	6.0 inches	May 27, 1956
Most monthly precipitation	10.8 inches	1908
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
May 1	69.3	45.6	97	26
May 2	69.6	46.0	91	29
May 3	69.9	46.3	88	27
May 4	70.1	46.6	89	31
May 5	70.5	46.9	93	32
May 6	70.8	47.2	91	28
May 7	71.1	47.6	92	30
May 8	71.5	48.0	89	30
May 9	71.9	48.3	92	30
May 10	72.3	48.7	90	26
May 11	72.7	49.1	94	30
May 12	73.0	49.5	93	32
May 13	73.5	49.9	91	33
May 14	74.0	50.4	94	32
May 15	74.4	50.8	93	37
May 16	74.8	51.1	95	33
May 17	75.1	51.5	94	36
May 18	75.6	51.9	93	27
May 19	76.0	52.2	94	34
May 20	76.3	52.6	95	32
May 21	76.5	52.9	93	26
May 22	76.7	53.1	93	35
May 23	77.0	53.4	93	39
May 24	77.2	53.6	93	39
May 25	77.5	53.9	95	35
May 26	77.8	54.2	94	36
May 27	78.2	54.6	99	35
May 28	78.6	55.0	99	34
May 29	78.9	55.4	95	34
May 30	79.3	55.9	96	39
May 31	79.8	56.2	94	36

Weather Station Details

Years	Station	Coordinates
1893–2023	Rantoul	location