Rockford Weather in 1939

Historical record of Rockford, Illinois weather for the year 1939 based on NOAA data.

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1939 Rockford Weather Extremes
Highest temperature	103 °F	September 7
Lowest temperature	-1 °F	February 11
Highest daily low	77 °F	September 7
Lowest daily high	13 °F	December 31
Most daily precipitation	1.8 inches	August 8
Most daily snow	3.0 inches	March 30
Total annual precipitation	26.2 inches	-
Total annual snow	23.5 inches	-

What was the hottest temperature in Rockford in 1939?

The highest temperature recorded in Rockford, Illinois in 1939 was 103 °F which happened on September 7.

Highest Temperatures: All-Time By Year

Highest Temperatures in Rockford in 1939

Rank	Temperature	Date
1	103 °F	Sep 7
2	102 °F	Sep 15
3	101 °F	Sep 14
4	99 °F	Sep 13
4	99 °F	Jul 27
4	99 °F	Jul 13
7	97 °F	Jul 6
8	95 °F	Sep 6
8	95 °F	Jul 26
10	94 °F	Sep 8
10	94 °F	Sep 3
10	94 °F	Aug 15
10	94 °F	Aug 1
10	94 °F	Jul 31
10	94 °F	Jul 9
10	94 °F	Jul 4
10	94 °F	Jun 16
10	94 °F	Jun 7

What was the coldest temperature in Rockford in 1939?

The lowest temperature recorded in Rockford, Illinois in 1939 was -1 °F which happened on Feb 11.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Rockford in 1939

Rank	Temperature	Date
1	-1 °F	February 11
2	1 °F	December 31
2	1 °F	February 22
2	1 °F	February 10
5	3 °F	February 25
5	3 °F	February 16
7	4 °F	February 23
7	4 °F	February 17
7	4 °F	January 22
10	5 °F	January 25
10	5 °F	January 23

January 1939 Rockford Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	37	13	0.00	0.0
January 2	37	24	0.00	0.0
January 3	35	29	0.00	0.0
January 4	48	31	0.00	0.0
January 5	48	31	1.12	0.5
January 6	40	30	0.00	0.0
January 7	40	32	0.00	0.0
January 8	40	25	0.00	0.0
January 9	55	33	0.19	0.0
January 10	55	32	0.00	0.0
January 11	37	25	0.00	0.0
January 12	39	22	0.00	0.0
January 13	34	30	0.10	1.0
January 14	34	29	0.12	1.5
January 15	35	26	0.00	0.0
January 16	34	20	0.00	0.0
January 17	29	19	0.25	3.0
January 18	32	22	0.08	1.0
January 19	30	22	0.00	0.0
January 20	32	19	0.00	0.0
January 21	39	n/a	0.00	0.0
January 22	37	4	0.00	0.0
January 23	22	5	0.08	1.0
January 24	30	18	0.18	2.0
January 25	25	5	0.00	0.0
January 26	22	12	0.00	0.0
January 27	29	10	0.00	0.0
January 28	34	26	0.05	0.0
January 29	35	28	0.00	0.0
January 30	29	20	0.00	0.0
January 31	37	8	0.00	0.0

February 1939 Rockford Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	37	20	0.40	2.0
February 2	37	15	0.00	0.0
February 3	20	9	0.00	0.0
February 4	27	6	0.00	0.0
February 5	40	20	0.00	0.0
February 6	44	25	0.00	0.0
February 7	35	16	0.00	0.0
February 8	32	17	0.00	0.0
February 9	35	11	0.15	0.0
February 10	41	1	0.46	0.0
February 11	16	-1	0.00	0.0
February 12	40	14	0.00	0.0
February 13	53	33	0.00	0.0
February 14	42	22	0.00	0.0
February 15	29	6	0.00	0.0
February 16	24	3	0.17	2.0
February 17	24	4	0.18	2.0
February 18	41	20	0.00	0.0
February 19	43	36	0.21	0.0
February 20	43	15	0.00	0.0
February 21	20	10	0.05	0.5
February 22	17	1	0.00	0.0
February 23	30	4	0.01	0.0
February 24	30	6	0.00	0.0
February 25	31	3	0.00	0.0
February 26	29	18	0.00	0.0
February 27	41	13	0.00	0.0
February 28	37	30	0.25	0.5

March 1939 Rockford Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	32	10	0.00	0.0
March 2	41	18	0.00	0.0
March 3	48	30	0.00	0.0
March 4	53	36	0.00	0.0
March 5	41	28	0.31	2.5
March 6	33	18	0.05	1.0
March 7	27	6	0.00	0.0
March 8	50	20	0.00	0.0
March 9	45	29	0.00	0.0
March 10	41	24	0.00	0.0
March 11	39	32	0.11	0.0
March 12	43	30	0.40	0.0
March 13	57	26	0.00	0.0
March 14	64	31	0.00	0.0
March 15	58	16	0.00	0.0
March 16	28	11	0.00	0.0
March 17	22	8	0.00	0.0
March 18	28	6	0.00	0.0
March 19	59	20	0.00	0.0
March 20	52	29	0.00	0.0
March 21	63	26	0.00	0.0
March 22	63	31	0.00	0.0
March 23	82	30	0.00	0.0
March 24	80	39	0.00	0.0
March 25	72	51	0.00	0.0
March 26	67	46	0.00	0.0
March 27	47	28	0.09	0.0
March 28	44	26	0.00	0.0
March 29	37	25	0.00	0.0
March 30	44	27	0.30	3.0
March 31	60	29	0.00	0.0

April 1939 Rockford Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	55	32	0.04
April 2	52	25	0.00
April 3	56	23	0.00
April 4	58	28	0.00
April 5	52	38	0.10
April 6	42	24	0.23
April 7	45	20	0.00
April 8	40	21	0.00
April 9	50	20	0.00
April 10	42	32	0.00
April 11	42	29	0.00
April 12	40	19	0.00
April 13	53	19	0.00
April 14	51	36	0.50
April 15	55	36	0.07
April 16	48	38	0.00
April 17	53	39	0.70
April 18	53	35	0.19
April 19	54	36	0.09
April 20	51	35	0.00
April 21	50	39	0.00
April 22	68	29	0.00
April 23	72	47	0.00
April 24	86	57	0.00
April 25	85	54	0.00
April 26	79	57	0.91
April 27	67	49	0.00
April 28	65	46	0.00
April 29	71	37	0.00
April 30	76	43	0.00

May 1939 Rockford Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	64	32	0.00
May 2	65	31	0.00
May 3	69	32	0.00
May 4	74	49	0.00
May 5	86	50	0.00
May 6	85	56	0.00
May 7	84	64	0.00
May 8	72	59	0.20
May 9	78	46	1.21
May 10	71	56	0.00
May 11	64	40	0.00
May 12	64	35	0.00
May 13	71	43	0.00
May 14	78	50	0.00
May 15	63	46	0.12
May 16	70	40	0.00
May 17	71	51	0.00
May 18	76	40	0.00
May 19	88	49	0.00
May 20	83	62	0.00
May 21	84	64	1.10
May 22	86	54	0.00
May 23	81	59	0.00
May 24	83	49	0.00
May 25	92	64	0.00
May 26	90	66	0.00
May 27	82	67	0.72
May 28	83	62	0.66
May 29	76	55	0.05
May 30	91	59	0.00
May 31	91	64	0.00

June 1939 Rockford Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	88	67	0.00
June 2	81	66	0.88
June 3	76	58	0.25
June 4	80	50	0.00
June 5	85	57	0.00
June 6	88	65	0.00
June 7	94	70	0.75
June 8	87	64	0.00
June 9	78	57	0.24
June 10	72	58	0.22
June 11	69	55	0.00
June 12	67	45	0.00
June 13	68	47	0.00
June 14	72	43	0.06
June 15	86	60	0.00
June 16	94	59	0.00
June 17	90	73	0.00
June 18	90	60	0.00
June 19	83	66	0.33
June 20	84	59	0.00
June 21	83	65	0.25
June 22	80	66	0.25
June 23	83	53	0.00
June 24	90	60	0.00
June 25	88	62	0.00
June 26	83	68	0.03
June 27	86	69	0.00
June 28	84	64	0.06
June 29	84	66	0.00
June 30	82	59	0.00

July 1939 Rockford Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	86	56	0.00
July 2	86	55	0.00
July 3	91	65	0.00
July 4	94	72	0.07
July 5	91	70	0.08
July 6	97	70	0.18
July 7	91	70	0.10
July 8	91	70	0.00
July 9	94	63	0.00
July 10	85	58	0.00
July 11	90	60	0.00
July 12	91	68	0.00
July 13	99	70	0.00
July 14	89	58	0.00
July 15	84	60	0.07
July 16	83	55	0.00
July 17	76	56	1.75
July 18	71	61	0.00
July 19	83	60	0.00
July 20	85	59	0.00
July 21	86	58	0.00
July 22	87	66	0.00
July 23	91	60	0.00
July 24	91	63	0.00
July 25	85	70	0.00
July 26	95	67	0.00
July 27	99	70	0.00
July 28	83	63	0.04
July 29	81	56	0.00
July 30	86	53	0.00
July 31	94	60	0.00

August 1939 Rockford Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	94	67	0.00
August 2	87	71	0.14
August 3	90	59	0.00
August 4	88	54	0.00
August 5	93	56	0.00
August 6	87	62	0.00
August 7	83	66	0.00
August 8	79	68	1.75
August 9	80	53	0.00
August 10	83	54	0.00
August 11	81	64	0.20
August 12	81	66	0.03
August 13	86	67	0.00
August 14	88	58	0.00
August 15	94	68	0.00
August 16	86	70	0.00
August 17	79	64	0.00
August 18	78	61	0.00
August 19	78	62	0.00
August 20	86	57	0.13
August 21	69	55	0.03
August 22	80	54	0.09
August 23	81	53	0.00
August 24	83	53	0.00
August 25	86	52	0.00
August 26	86	53	0.00
August 27	85	53	0.00
August 28	87	53	0.00
August 29	82	60	0.00
August 30	87	63	0.00
August 31	87	57	0.00

September 1939 Rockford Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	90	57	0.00
September 2	93	62	0.00
September 3	94	73	0.00
September 4	88	62	0.12
September 5	84	50	0.00
September 6	95	60	0.00
September 7	103	77	0.00
September 8	94	67	0.00
September 9	78	57	0.52
September 10	72	55	0.00
September 11	71	45	0.28
September 12	93	56	0.05
September 13	99	69	0.00
September 14	101	70	0.00
September 15	102	71	0.00
September 16	91	68	0.00
September 17	81	53	0.00
September 18	77	52	0.00
September 19	83	47	0.00
September 20	78	52	0.00
September 21	76	38	0.00
September 22	82	46	0.00
September 23	79	56	0.00
September 24	77	52	0.00
September 25	68	51	0.00
September 26	56	41	0.24
September 27	69	39	0.00
September 28	82	49	0.00
September 29	81	48	0.44
September 30	56	33	0.00

October 1939 Rockford Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	68	34	0.00
October 2	69	38	0.00
October 3	72	46	0.00
October 4	80	53	0.00
October 5	78	64	0.00
October 6	80	45	0.00
October 7	85	50	0.00
October 8	80	65	0.00
October 9	80	60	0.12
October 10	73	50	0.12
October 11	66	40	0.00
October 12	56	36	0.00
October 13	48	40	0.15
October 14	49	25	0.00
October 15	62	31	0.00
October 16	56	40	0.00
October 17	52	26	0.00
October 18	66	35	0.00
October 19	73	51	0.00
October 20	74	35	0.28
October 21	69	45	0.00
October 22	64	40	0.00
October 23	57	40	0.00
October 24	54	41	0.20
October 25	69	49	1.55
October 26	76	52	0.20
October 27	65	42	0.75
October 28	43	30	0.00
October 29	43	30	0.03
October 30	44	29	0.03
October 31	45	32	0.00

November 1939 Rockford Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	44	31	0.00
November 2	47	27	0.00
November 3	46	26	0.00
November 4	47	24	0.00
November 5	37	28	0.00
November 6	53	23	0.00
November 7	55	41	0.00
November 8	46	28	0.00
November 9	57	29	0.00
November 10	57	31	0.35
November 11	46	23	0.00
November 12	51	34	0.00
November 13	57	26	0.00
November 14	57	32	0.00
November 15	64	37	0.00
November 16	68	38	0.00
November 17	66	38	0.00
November 18	55	37	0.00
November 19	45	32	0.00
November 20	38	32	0.00
November 21	39	31	0.00
November 22	45	28	0.00
November 23	38	22	0.00
November 24	40	36	0.10
November 25	41	33	0.04
November 26	38	31	0.00
November 27	43	20	0.00
November 28	45	21	0.00
November 29	40	30	0.07
November 30	43	36	0.00

December 1939 Rockford Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	43	40	0.26
December 2	44	30	0.07
December 3	32	29	0.00
December 4	33	22	0.00
December 5	45	24	0.00
December 6	49	27	0.00
December 7	53	40	0.00
December 8	53	26	0.00
December 9	54	36	0.00
December 10	47	37	0.00
December 11	46	30	0.00
December 12	45	35	0.00
December 13	44	24	0.00
December 14	34	13	0.00
December 15	47	29	0.00
December 16	47	34	0.00
December 17	48	32	0.00
December 18	54	34	0.00
December 19	47	35	0.00
December 20	35	25	0.00
December 21	33	23	0.00
December 22	41	12	0.00
December 23	39	19	0.00
December 24	40	19	0.00
December 25	46	22	0.00
December 26	32	21	0.00
December 27	33	22	0.00
December 28	32	19	0.00
December 29	29	18	0.00
December 30	29	12	0.00
December 31	13	1	0.00

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Weather Station Details

Years	Station	Coordinates
1951–2024	Greater Rockford Airport	location
1893–1950	Rockford	location