Rantoul Average Weather by Day

Data and chart of the the average high and low temperature for every day of the year in Rantoul, Illinois, based on NOAA data.

Also see:

What's the hottest day of the year in Rantoul?

On average, July 14 is the hottest day of the year Rantoul, Illinois. From 1991–2020, the average high temperature on July 14 was 86.9 °F and the average low was 64.1 °F.

What's the coldest day of the year in Rantoul?

On average, January 18 is the coldest day of the year Rantoul, Illinois. From 1991–2020, the average high temperature on January 18 was 33.7 °F, and the average low was 15.8 °F.

Average Temperature by Day

Average temperatures from 1991–2020. Daily averages are a mean of the period from 14 days before to 14 days after, inclusive.

Day	Average (°F)
Day	High	Low
January 1	36.2	18.5
January 2	35.9	18.2
January 3	35.7	18.0
January 4	35.6	17.8
January 5	35.3	17.6
January 6	35.1	17.2
January 7	34.8	17.0
January 8	34.7	16.9
January 9	34.6	16.8
January 10	34.5	16.6
January 11	34.4	16.4
January 12	34.3	16.3
January 13	34.2	16.1
January 14	34.1	15.9
January 15	33.9	15.8
January 16	33.9	15.8
January 17	33.8	15.8
January 18	33.7	15.8
January 19	33.8	15.8
January 20	33.9	15.8
January 21	34.0	15.9
January 22	34.1	15.8
January 23	34.1	15.9
January 24	34.2	16.0
January 25	34.3	16.0
January 26	34.3	16.0
January 27	34.2	15.8
January 28	34.2	15.8
January 29	34.4	15.9
January 30	34.5	15.9
January 31	34.7	16.1
February 1	34.9	16.2
February 2	35.1	16.4
February 3	35.4	16.6
February 4	35.8	16.9
February 5	36.2	17.0
February 6	36.5	17.3
February 7	36.9	17.5
February 8	37.2	17.9
February 9	37.6	18.2
February 10	37.9	18.5
February 11	38.2	18.6
February 12	38.4	18.9
February 13	38.7	19.1
February 14	38.9	19.2
February 15	39.3	19.6
February 16	39.6	19.9
February 17	39.7	20.1
February 18	39.8	20.1
February 19	40.2	20.4
February 20	40.5	20.7
February 21	41.0	21.1
February 22	41.4	21.4
February 23	41.8	21.7
February 24	42.2	22.0
February 25	42.6	22.3
February 26	43.0	22.6
February 27	43.4	23.1
February 28	43.9	23.6
March 1	44.5	23.9
March 2	45.0	24.3
March 3	45.5	24.8
March 4	46.0	25.2
March 5	46.5	25.7
March 6	46.9	26.0
March 7	47.3	26.3
March 8	47.5	26.5
March 9	47.9	26.7
March 10	48.2	27.0
March 11	48.6	27.3
March 12	49.0	27.6
March 13	49.4	28.0
March 14	50.0	28.4
March 15	50.4	28.8
March 16	50.8	29.1
March 17	51.3	29.6
March 18	52.0	30.0
March 19	52.5	30.5
March 20	53.1	30.9
March 21	53.6	31.2
March 22	53.9	31.4
March 23	54.3	31.7
March 24	54.7	32.1
March 25	55.2	32.5
March 26	55.7	32.9
March 27	56.1	33.3
March 28	56.6	33.5
March 29	57.0	33.8
March 30	57.3	34.1
March 31	57.6	34.4
April 1	58.1	34.7
April 2	58.5	35.0
April 3	58.9	35.2
April 4	59.4	35.6
April 5	59.8	36.0
April 6	60.3	36.4
April 7	60.7	36.8
April 8	61.0	37.1
April 9	61.4	37.4
April 10	61.9	37.8
April 11	62.3	38.1
April 12	62.6	38.4
April 13	63.1	38.7
April 14	63.4	39.0
April 15	63.5	39.2
April 16	63.9	39.5
April 17	64.3	40.0
April 18	64.6	40.3
April 19	64.8	40.6
April 20	65.2	41.1
April 21	65.6	41.5
April 22	65.9	41.9
April 23	66.3	42.3
April 24	66.8	42.7
April 25	67.3	43.2
April 26	67.7	43.6
April 27	68.1	44.1
April 28	68.5	44.5
April 29	68.9	44.9
April 30	69.1	45.2
May 1	69.3	45.6
May 2	69.6	46.0
May 3	69.9	46.3
May 4	70.1	46.6
May 5	70.5	46.9
May 6	70.8	47.2
May 7	71.1	47.6
May 8	71.5	48.0
May 9	71.9	48.3
May 10	72.3	48.7
May 11	72.7	49.1
May 12	73.0	49.5
May 13	73.5	49.9
May 14	74.0	50.4
May 15	74.4	50.8
May 16	74.8	51.1
May 17	75.1	51.5
May 18	75.6	51.9
May 19	76.0	52.2
May 20	76.3	52.6
May 21	76.5	52.9
May 22	76.7	53.1
May 23	77.0	53.4
May 24	77.2	53.6
May 25	77.5	53.9
May 26	77.8	54.2
May 27	78.2	54.6
May 28	78.6	55.0
May 29	78.9	55.4
May 30	79.3	55.9
May 31	79.8	56.2
June 1	80.1	56.6
June 2	80.5	57.0
June 3	80.8	57.4
June 4	81.2	57.8
June 5	81.6	58.2
June 6	82.0	58.6
June 7	82.2	59.0
June 8	82.5	59.3
June 9	82.8	59.6
June 10	83.2	59.9
June 11	83.4	60.2
June 12	83.6	60.5
June 13	83.8	60.8
June 14	84.0	61.0
June 15	84.2	61.1
June 16	84.3	61.4
June 17	84.5	61.7
June 18	84.7	61.9
June 19	85.0	62.1
June 20	85.3	62.4
June 21	85.4	62.6
June 22	85.6	62.8
June 23	85.8	62.9
June 24	85.9	63.1
June 25	86.0	63.2
June 26	86.1	63.3
June 27	86.2	63.3
June 28	86.3	63.4
June 29	86.3	63.4
June 30	86.3	63.5
July 1	86.4	63.6
July 2	86.4	63.6
July 3	86.5	63.6
July 4	86.5	63.7
July 5	86.6	63.8
July 6	86.7	63.9
July 7	86.8	64.0
July 8	86.9	64.1
July 9	86.8	64.1
July 10	86.8	64.0
July 11	86.8	64.0
July 12	86.9	64.0
July 13	86.9	64.0
July 14	86.9	64.1
July 15	86.9	64.1
July 16	86.9	64.0
July 17	86.8	64.0
July 18	86.8	64.1
July 19	86.8	64.1
July 20	86.9	64.1
July 21	86.8	64.0
July 22	86.7	63.9
July 23	86.6	63.8
July 24	86.6	63.7
July 25	86.5	63.6
July 26	86.5	63.6
July 27	86.4	63.6
July 28	86.4	63.5
July 29	86.4	63.4
July 30	86.3	63.4
July 31	86.2	63.3
August 1	86.1	63.1
August 2	85.9	62.9
August 3	85.8	62.8
August 4	85.6	62.6
August 5	85.5	62.5
August 6	85.4	62.3
August 7	85.3	62.2
August 8	85.3	62.1
August 9	85.2	62.1
August 10	85.2	62.0
August 11	85.2	61.9
August 12	85.2	61.8
August 13	85.2	61.8
August 14	85.3	61.8
August 15	85.3	61.6
August 16	85.2	61.6
August 17	85.1	61.4
August 18	85.0	61.3
August 19	84.8	61.2
August 20	84.8	61.1
August 21	84.9	61.1
August 22	84.8	60.9
August 23	84.8	60.8
August 24	84.7	60.7
August 25	84.6	60.5
August 26	84.5	60.3
August 27	84.3	60.1
August 28	84.2	59.9
August 29	84.1	59.7
August 30	84.1	59.5
August 31	84.0	59.3
September 1	83.9	59.0
September 2	83.6	58.7
September 3	83.5	58.4
September 4	83.3	58.1
September 5	83.2	57.8
September 6	83.0	57.6
September 7	82.8	57.4
September 8	82.5	57.1
September 9	82.2	56.7
September 10	81.8	56.3
September 11	81.5	55.8
September 12	81.1	55.4
September 13	80.8	55.0
September 14	80.4	54.5
September 15	80.2	54.1
September 16	79.9	53.7
September 17	79.7	53.2
September 18	79.3	52.8
September 19	78.9	52.4
September 20	78.5	52.1
September 21	78.2	51.6
September 22	77.8	51.2
September 23	77.4	50.8
September 24	77.2	50.4
September 25	76.9	50.0
September 26	76.6	49.6
September 27	76.2	49.2
September 28	75.7	48.8
September 29	75.3	48.3
September 30	74.8	47.9
October 1	74.3	47.5
October 2	73.8	47.1
October 3	73.3	46.7
October 4	72.8	46.2
October 5	72.3	45.7
October 6	71.7	45.2
October 7	71.2	44.8
October 8	70.9	44.5
October 9	70.5	44.1
October 10	70.0	43.8
October 11	69.5	43.4
October 12	69.0	43.1
October 13	68.5	42.8
October 14	67.9	42.5
October 15	67.3	42.1
October 16	66.8	41.8
October 17	66.3	41.5
October 18	65.8	41.1
October 19	65.2	40.7
October 20	64.7	40.2
October 21	64.2	39.9
October 22	63.6	39.6
October 23	63.0	39.2
October 24	62.3	38.7
October 25	61.7	38.3
October 26	61.2	38.1
October 27	60.8	37.7
October 28	60.3	37.3
October 29	59.8	36.9
October 30	59.3	36.5
October 31	58.8	36.1
November 1	58.4	35.8
November 2	57.8	35.5
November 3	57.3	35.2
November 4	56.9	34.9
November 5	56.4	34.7
November 6	55.8	34.3
November 7	55.3	34.0
November 8	54.8	33.6
November 9	54.4	33.3
November 10	53.9	32.8
November 11	53.4	32.5
November 12	53.1	32.1
November 13	52.7	31.9
November 14	52.3	31.6
November 15	51.8	31.2
November 16	51.4	30.9
November 17	51.0	30.6
November 18	50.5	30.3
November 19	50.1	30.0
November 20	49.7	29.7
November 21	49.3	29.4
November 22	48.8	29.1
November 23	48.3	28.6
November 24	47.6	28.2
November 25	47.0	27.8
November 26	46.4	27.5
November 27	46.0	27.2
November 28	45.6	26.9
November 29	45.2	26.7
November 30	44.8	26.4
December 1	44.5	26.2
December 2	44.3	26.0
December 3	43.8	25.6
December 4	43.4	25.2
December 5	43.0	24.9
December 6	42.5	24.5
December 7	42.2	24.2
December 8	41.8	24.0
December 9	41.5	23.9
December 10	41.1	23.5
December 11	40.7	23.2
December 12	40.4	22.9
December 13	40.1	22.7
December 14	39.7	22.4
December 15	39.3	22.2
December 16	39.1	21.9
December 17	39.0	21.7
December 18	38.7	21.4
December 19	38.4	21.0
December 20	38.1	20.7
December 21	38.0	20.5
December 22	37.9	20.4
December 23	37.8	20.2
December 24	37.6	20.1
December 25	37.4	19.9
December 26	37.2	19.7
December 27	37.0	19.5
December 28	36.9	19.4
December 29	36.9	19.3
December 30	36.7	19.1
December 31	36.4	18.7

Weather Station Details

Years	Station	Coordinates
1893–2023	Rantoul	location