Janesville Weather in 2003

Historical record of Janesville, Wisconsin weather for the year 2003 based on NOAA data.

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2003 Janesville Weather Extremes
Highest temperature	98 °F	August 27
Lowest temperature	-7 °F	January 24
Highest daily low	73 °F	June 25
Lowest daily high	11 °F	January 24
Most daily precipitation	2.0 inches	July 15
Most daily snow	5.3 inches	March 5
Total annual precipitation	29.3 inches	-
Total annual snow	19.7 inches	-

What was the hottest temperature in Janesville in 2003?

The highest temperature recorded in Janesville, Wisconsin in 2003 was 98 °F which happened on August 27.

Highest Temperatures: All-Time By Year

Highest Temperatures in Janesville in 2003

Rank	Temperature	Date
1	98 °F	Aug 27
2	97 °F	Aug 26
3	95 °F	Aug 22
3	95 °F	Aug 21
3	95 °F	Aug 17
3	95 °F	Jun 25
7	93 °F	Aug 29
8	92 °F	Jun 26
9	91 °F	Sep 8
9	91 °F	Aug 16

What was the coldest temperature in Janesville in 2003?

The lowest temperature recorded in Janesville, Wisconsin in 2003 was -7 °F which happened on Jan 24.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Janesville in 2003

Rank	Temperature	Date
1	-7 °F	January 24
2	-6 °F	January 27
2	-6 °F	January 23
4	-5 °F	March 10
4	-5 °F	February 25
6	-4 °F	February 26
7	-2 °F	March 11
7	-2 °F	February 13
7	-2 °F	February 12
10	-1 °F	February 9

January 2003 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	38	21	0.00	0.0
January 2	28	20	0.00	0.0
January 3	30	16	0.00	0.0
January 4	35	14	0.00	0.0
January 5	36	16	0.10	1.0
January 6	33	26	0.02	0.0
January 7	35	24	0.00	0.0
January 8	46	27	0.00	0.0
January 9	55	32	0.00	0.0
January 10	36	20	0.00	0.0
January 11	22	6	0.00	0.0
January 12	19	5	0.00	0.0
January 13	33	7	0.00	0.0
January 14	33	5	0.02	0.4
January 15	17	1	0.00	0.0
January 16	22	2	0.00	0.0
January 17	27	6	0.00	0.0
January 18	20	6	0.00	0.0
January 19	23	1	0.00	0.0
January 20	28	2	0.01	0.4
January 21	28	2	0.00	0.0
January 22	16	1	0.00	0.0
January 23	13	-6	0.00	0.0
January 24	11	-7	0.00	0.0
January 25	18	4	0.00	0.0
January 26	30	2	0.02	0.8
January 27	14	-6	0.00	0.0
January 28	23	0	0.00	0.0
January 29	28	17	0.10	1.5
January 30	25	7	0.00	0.0
January 31	33	15	0.00	0.0

February 2003 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	36	30	0.04	0.4
February 2	36	30	0.02	0.0
February 3	38	34	0.01	0.0
February 4	38	18	0.04	0.8
February 5	19	2	0.00	0.0
February 6	26	2	0.00	0.0
February 7	26	2	0.00	0.0
February 8	15	4	0.00	0.0
February 9	28	-1	0.00	0.0
February 10	22	n/a	0.00	0.0
February 11	22	2	0.00	0.0
February 12	31	-2	0.07	1.4
February 13	20	-2	0.00	0.0
February 14	31	9	0.00	0.0
February 15	36	14	0.02	0.4
February 16	22	7	0.00	0.0
February 17	29	8	0.00	0.0
February 18	36	19	0.00	0.0
February 19	42	19	0.00	0.0
February 20	42	19	0.00	0.0
February 21	53	26	0.00	0.0
February 22	52	26	0.00	0.0
February 23	26	9	0.00	0.0
February 24	25	9	0.01	0.3
February 25	18	-5	0.01	0.0
February 26	16	-4	0.00	0.0
February 27	31	4	0.00	0.0
February 28	39	9	0.00	0.0

March 2003 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	40	12	0.00	0.0
March 2	40	20	0.00	0.0
March 3	24	7	0.00	0.0
March 4	28	13	0.07	0.3
March 5	30	11	0.40	5.3
March 6	22	5	0.00	0.0
March 7	31	7	0.00	0.0
March 8	37	21	0.07	0.8
March 9	32	0	0.12	1.5
March 10	12	-5	0.00	0.0
March 11	17	-2	0.00	0.0
March 12	40	17	0.00	0.0
March 13	43	26	0.03	0.0
March 14	40	24	0.00	0.0
March 15	53	26	0.00	0.0
March 16	56	33	0.00	0.0
March 17	68	35	0.00	0.0
March 18	75	41	0.00	0.0
March 19	51	36	0.00	0.0
March 20	44	36	0.22	0.0
March 21	51	36	0.08	0.0
March 22	46	36	0.00	0.0
March 23	49	32	0.00	0.0
March 24	65	33	0.00	0.0
March 25	68	39	0.00	0.0
March 26	58	31	0.00	0.0
March 27	58	38	0.06	0.0
March 28	62	41	0.30	0.0
March 29	49	28	0.40	0.0
March 30	37	21	0.01	0.0
March 31	48	24	0.00	0.0

April 2003 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	55	30	0.03	0.0
April 2	78	38	0.00	0.0
April 3	61	37	0.00	0.0
April 4	40	33	0.06	0.0
April 5	35	21	0.27	0.0
April 6	32	22	0.00	0.0
April 7	41	22	0.05	0.8
April 8	33	27	0.19	2.5
April 9	38	18	0.00	0.0
April 10	52	19	0.00	0.0
April 11	64	27	0.00	0.0
April 12	73	32	0.00	0.0
April 13	n/a	n/a	0.00	0.0
April 14	70	32	0.00	0.0
April 15	85	51	0.00	0.0
April 16	86	46	0.00	0.0
April 17	53	36	0.01	0.0
April 18	47	37	0.00	0.0
April 19	50	39	0.11	0.0
April 20	72	44	0.65	0.0
April 21	60	45	0.05	0.0
April 22	48	37	0.01	0.0
April 23	62	32	0.00	0.0
April 24	65	34	0.00	0.0
April 25	63	40	0.00	0.0
April 26	68	37	0.00	0.0
April 27	67	39	0.00	0.0
April 28	76	46	0.00	0.0
April 29	73	42	0.00	0.0
April 30	65	44	0.29	0.0

May 2003 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	53	45	0.84
May 2	58	42	0.02
May 3	60	37	0.00
May 4	64	38	0.00
May 5	58	44	0.00
May 6	60	50	0.00
May 7	71	47	0.02
May 8	50	47	0.23
May 9	60	50	1.17
May 10	78	50	0.00
May 11	76	47	0.15
May 12	51	46	0.14
May 13	68	46	0.00
May 14	74	50	0.06
May 15	58	49	0.49
May 16	64	42	0.00
May 17	70	46	0.00
May 18	72	51	0.00
May 19	74	54	0.00
May 20	69	50	0.95
May 21	64	42	0.00
May 22	62	39	0.00
May 23	68	45	0.06
May 24	67	49	0.00
May 25	73	52	0.00
May 26	75	46	0.00
May 27	76	48	0.00
May 28	79	54	0.00
May 29	74	52	0.21
May 30	73	48	0.00
May 31	75	52	0.28

June 2003 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	62	38	0.00
June 2	68	41	0.00
June 3	68	48	0.04
June 4	70	48	0.00
June 5	72	51	0.00
June 6	79	53	0.00
June 7	66	54	0.11
June 8	75	56	0.41
June 9	66	53	0.24
June 10	76	57	0.01
June 11	76	59	0.00
June 12	65	54	0.00
June 13	74	57	0.00
June 14	82	58	0.00
June 15	82	56	0.00
June 16	82	55	0.00
June 17	84	52	0.00
June 18	86	60	0.00
June 19	86	57	0.63
June 20	73	44	0.00
June 21	78	50	0.00
June 22	83	54	0.00
June 23	86	57	0.00
June 24	87	68	0.00
June 25	95	73	0.00
June 26	92	62	1.38
June 27	72	56	0.00
June 28	82	61	0.03
June 29	78	62	0.08
June 30	80	57	0.00

July 2003 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	85	59	0.00
July 2	86	58	0.00
July 3	88	66	0.00
July 4	81	68	0.30
July 5	88	68	0.72
July 6	86	68	0.00
July 7	84	69	0.59
July 8	88	64	0.09
July 9	73	58	0.96
July 10	74	62	0.11
July 11	77	58	0.02
July 12	76	55	0.00
July 13	81	57	0.00
July 14	83	59	0.00
July 15	83	n/a	2.01
July 16	84	57	0.00
July 17	82	64	0.00
July 18	86	61	0.00
July 19	76	51	0.00
July 20	82	57	0.00
July 21	84	64	1.07
July 22	78	61	0.01
July 23	76	55	0.00
July 24	78	53	0.00
July 25	81	51	0.00
July 26	84	64	0.00
July 27	86	71	0.00
July 28	86	62	0.03
July 29	78	56	0.01
July 30	84	59	0.00
July 31	83	64	0.00

August 2003 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	86	64	0.09
August 2	86	61	0.00
August 3	84	62	0.10
August 4	82	59	0.31
August 5	78	58	0.00
August 6	84	62	0.00
August 7	87	61	0.02
August 8	82	64	0.00
August 9	77	58	0.00
August 10	80	57	0.00
August 11	87	59	0.00
August 12	72	66	0.00
August 13	78	61	0.00
August 14	85	63	0.00
August 15	86	66	0.00
August 16	91	67	0.00
August 17	95	64	0.00
August 18	87	57	0.00
August 19	88	59	0.00
August 20	88	64	0.00
August 21	95	64	0.01
August 22	95	64	0.00
August 23	84	56	0.00
August 24	86	58	0.00
August 25	90	63	0.02
August 26	97	69	0.04
August 27	98	64	0.00
August 28	87	55	0.00
August 29	93	58	0.27
August 30	86	63	0.00
August 31	77	56	0.00

September 2003 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	70	57	0.00
September 2	75	48	0.00
September 3	82	49	0.00
September 4	84	53	0.00
September 5	75	45	0.00
September 6	80	46	0.00
September 7	85	54	0.00
September 8	91	58	0.00
September 9	89	59	0.00
September 10	87	59	0.00
September 11	87	60	0.00
September 12	87	63	0.00
September 13	78	64	0.67
September 14	71	62	0.88
September 15	70	48	0.64
September 16	74	48	0.00
September 17	82	52	0.00
September 18	82	52	0.00
September 19	82	52	0.01
September 20	63	40	0.00
September 21	73	40	0.00
September 22	74	46	0.15
September 23	70	44	0.03
September 24	70	44	0.00
September 25	75	42	0.00
September 26	60	42	0.00
September 27	66	45	0.13
September 28	56	45	0.00
September 29	55	35	0.04
September 30	59	35	0.00

October 2003 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	58	29	0.00
October 2	50	24	0.00
October 3	53	25	0.00
October 4	60	35	0.07
October 5	60	35	0.00
October 6	63	33	0.00
October 7	69	34	0.00
October 8	81	45	0.00
October 9	82	45	0.00
October 10	82	45	0.00
October 11	80	46	0.00
October 12	78	46	0.19
October 13	69	39	0.00
October 14	72	40	0.42
October 15	61	37	0.08
October 16	62	36	0.00
October 17	53	29	0.00
October 18	57	28	0.00
October 19	74	40	0.00
October 20	72	40	0.00
October 21	80	51	0.00
October 22	65	35	0.00
October 23	56	34	0.00
October 24	58	31	0.00
October 25	56	31	0.55
October 26	59	33	0.00
October 27	43	36	0.00
October 28	46	36	0.05
October 29	51	38	0.01
October 30	47	39	0.11
October 31	70	42	0.00

November 2003 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	60	41	0.00
November 2	48	41	0.52
November 3	49	42	1.05
November 4	47	42	1.79
November 5	65	35	0.25
November 6	37	27	0.00
November 7	42	25	0.00
November 8	40	15	0.00
November 9	35	15	0.00
November 10	42	16	0.00
November 11	48	27	0.02
November 12	54	27	0.00
November 13	57	28	0.00
November 14	39	23	0.00
November 15	48	32	0.00
November 16	42	39	0.00
November 17	45	32	0.00
November 18	55	33	0.53
November 19	57	34	0.22
November 20	57	32	0.00
November 21	66	36	0.00
November 22	46	36	0.00
November 23	59	41	0.11
November 24	59	19	0.18
November 25	29	18	0.00
November 26	42	18	0.00
November 27	44	24	0.00
November 28	46	27	0.00
November 29	30	22	0.00
November 30	39	24	0.00

December 2003 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	56	28	0.00	0.0
December 2	42	17	0.00	0.0
December 3	35	17	0.00	0.0
December 4	40	23	0.00	0.0
December 5	38	32	0.22	0.0
December 6	45	28	0.00	0.0
December 7	34	28	0.00	0.0
December 8	42	31	0.00	0.0
December 9	42	35	0.00	0.0
December 10	42	36	1.54	0.0
December 11	36	14	0.29	1.0
December 12	20	3	0.00	0.0
December 13	21	3	0.00	0.0
December 14	28	9	0.03	0.1
December 15	30	23	0.00	0.0
December 16	40	27	0.00	0.0
December 17	36	23	0.00	0.0
December 18	24	17	0.00	0.0
December 19	29	20	0.00	0.0
December 20	29	12	0.00	0.0
December 21	34	14	0.00	0.0
December 22	46	33	0.00	0.0
December 23	44	30	0.00	0.0
December 24	33	15	0.00	0.0
December 25	26	13	0.00	0.0
December 26	40	14	0.00	0.0
December 27	44	16	0.00	0.0
December 28	52	39	0.17	0.0
December 29	51	31	0.00	0.0
December 30	40	23	0.00	0.0
December 31	41	23	0.00	0.0

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Weather Station Details

Years	Station	Coordinates
1987–2024	Afton-Janesville WWTP	location
1893–1987	Janesville	location