Janesville Weather in 2004

Historical record of Janesville, Wisconsin weather for the year 2004 based on NOAA data.

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2004 Janesville Weather Extremes
Highest temperature	90 °F	July 21
Lowest temperature	-12 °F	January 30
Highest daily low	73 °F	June 9
Lowest daily high	6 °F	January 30
Most daily precipitation	2.4 inches	May 22
Most daily snow	3.5 inches	January 5
Total annual precipitation	33.2 inches	-
Total annual snow	15.4 inches	-

What was the hottest temperature in Janesville in 2004?

The highest temperature recorded in Janesville, Wisconsin in 2004 was 90 °F which happened 2 different times.

Highest Temperatures: All-Time By Year

Highest Temperatures in Janesville in 2004

Rank	Temperature	Date
1	90 °F	Jul 21
1	90 °F	Jun 9
3	89 °F	Aug 4
3	89 °F	Jul 14
5	88 °F	Jun 8
6	87 °F	Sep 16
6	87 °F	Sep 15
6	87 °F	Sep 13
6	87 °F	Jun 10
10	86 °F	Aug 2
10	86 °F	Jul 23
10	86 °F	Jun 17
10	86 °F	May 10

What was the coldest temperature in Janesville in 2004?

The lowest temperature recorded in Janesville, Wisconsin in 2004 was -12 °F which happened on Jan 30.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Janesville in 2004

Rank	Temperature	Date
1	-12 °F	January 30
2	-8 °F	February 1
3	-7 °F	December 25
3	-7 °F	December 24
5	-5 °F	February 4
5	-5 °F	January 7
5	-5 °F	January 6
8	-4 °F	January 29
9	-2 °F	February 8
9	-2 °F	February 5
9	-2 °F	January 23
9	-2 °F	January 22

January 2004 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	36	20	0.00	0.0
January 2	43	25	0.00	0.0
January 3	53	28	0.03	0.0
January 4	35	21	0.00	0.0
January 5	25	17	1.80	3.5
January 6	18	-5	0.00	0.0
January 7	12	-5	0.00	0.0
January 8	21	6	0.00	0.0
January 9	26	6	0.00	0.0
January 10	25	12	0.00	0.0
January 11	28	17	0.00	0.0
January 12	39	26	0.00	0.0
January 13	40	26	0.00	0.0
January 14	33	21	0.00	0.0
January 15	35	11	0.00	0.0
January 16	27	11	0.00	0.0
January 17	32	25	0.13	0.0
January 18	33	9	0.00	0.0
January 19	13	2	0.00	0.0
January 20	18	2	0.00	0.0
January 21	21	6	0.00	0.0
January 22	33	-2	0.00	0.0
January 23	10	-2	0.00	0.0
January 24	20	3	0.06	0.5
January 25	16	3	0.00	0.0
January 26	22	3	0.00	0.0
January 27	23	13	0.90	1.4
January 28	22	0	0.30	1.8
January 29	11	-4	0.00	0.0
January 30	6	-12	0.01	0.0
January 31	11	n/a	0.00	0.0

February 2004 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	13	-8	0.00	0.0
February 2	30	13	0.03	0.0
February 3	31	24	0.21	2.0
February 4	26	-5	0.00	0.0
February 5	24	-2	0.00	0.0
February 6	28	24	0.20	3.0
February 7	29	23	0.03	0.5
February 8	29	-2	0.00	0.0
February 9	31	16	0.00	0.0
February 10	32	21	0.00	0.0
February 11	23	11	0.00	0.0
February 12	34	16	0.00	0.0
February 13	27	6	0.00	0.0
February 14	29	6	0.00	0.0
February 15	33	4	0.00	0.0
February 16	21	1	0.00	0.0
February 17	28	2	0.00	0.0
February 18	32	11	0.00	0.0
February 19	44	18	0.00	0.0
February 20	42	26	0.06	0.0
February 21	39	31	0.18	0.0
February 22	39	23	0.00	0.0
February 23	40	23	0.18	0.0
February 24	42	32	0.00	0.0
February 25	36	25	0.00	0.0
February 26	39	25	0.00	0.0
February 27	45	26	0.00	0.0
February 28	47	26	0.00	0.0
February 29	53	27	0.00	0.0

March 2004 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	58	31	0.11	0.0
March 2	58	40	0.09	0.0
March 3	44	36	0.00	0.0
March 4	40	36	0.00	0.0
March 5	58	36	1.49	0.0
March 6	56	34	0.06	0.0
March 7	44	34	0.00	0.0
March 8	39	28	0.00	0.0
March 9	40	26	0.00	0.0
March 10	43	27	0.00	0.0
March 11	49	29	0.00	0.0
March 12	33	12	0.00	0.0
March 13	35	13	0.00	0.0
March 14	48	25	0.18	0.0
March 15	40	24	0.00	0.0
March 16	35	27	0.00	0.0
March 17	39	28	0.07	0.3
March 18	39	28	0.03	0.0
March 19	40	24	0.09	0.9
March 20	53	27	0.01	0.0
March 21	58	26	0.00	0.0
March 22	36	16	0.00	0.0
March 23	42	20	0.00	0.0
March 24	61	34	0.42	0.0
March 25	61	44	0.02	0.0
March 26	61	56	1.04	0.0
March 27	64	43	0.00	0.0
March 28	66	43	0.00	0.0
March 29	68	40	0.55	0.0
March 30	60	39	0.00	0.0
March 31	50	34	0.07	0.0

April 2004 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	46	29	0.00
April 2	52	30	0.00
April 3	57	30	0.00
April 4	53	30	0.00
April 5	52	27	0.00
April 6	58	27	0.00
April 7	72	40	0.00
April 8	68	40	0.00
April 9	53	31	0.00
April 10	57	31	0.00
April 11	52	28	0.00
April 12	45	28	0.00
April 13	44	26	0.00
April 14	54	27	0.00
April 15	71	33	0.00
April 16	74	38	0.00
April 17	84	53	0.30
April 18	78	53	0.00
April 19	83	57	0.00
April 20	62	39	0.00
April 21	62	40	1.10
April 22	n/a	36	0.00
April 23	56	34	0.00
April 24	64	36	0.00
April 25	55	40	0.13
April 26	58	43	0.01
April 27	56	32	0.00
April 28	52	33	0.00
April 29	83	50	0.00
April 30	77	47	0.00

May 2004 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	48	43	0.31
May 2	53	38	0.01
May 3	53	29	0.03
May 4	56	35	0.00
May 5	73	38	0.00
May 6	72	43	0.00
May 7	76	50	0.00
May 8	59	42	0.26
May 9	76	48	0.07
May 10	86	58	0.05
May 11	78	53	0.23
May 12	78	55	0.17
May 13	83	66	0.32
May 14	76	50	0.27
May 15	53	40	0.36
May 16	63	40	0.00
May 17	70	44	0.00
May 18	80	60	0.53
May 19	60	42	0.00
May 20	72	50	0.00
May 21	85	55	0.00
May 22	73	47	2.43
May 23	75	56	0.95
May 24	76	52	0.01
May 25	64	46	0.02
May 26	68	46	0.00
May 27	67	49	0.00
May 28	78	49	0.00
May 29	68	50	0.00
May 30	66	46	0.41
May 31	73	57	0.98

June 2004 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	70	56	0.15
June 2	69	56	0.01
June 3	72	49	0.00
June 4	73	45	0.00
June 5	76	48	0.00
June 6	79	54	0.01
June 7	84	64	0.00
June 8	88	67	0.00
June 9	90	73	0.00
June 10	87	57	0.12
June 11	68	57	1.15
June 12	77	59	0.80
June 13	85	62	0.02
June 14	81	64	0.01
June 15	82	58	0.29
June 16	82	61	0.00
June 17	86	64	0.71
June 18	80	60	0.00
June 19	75	51	0.00
June 20	68	50	0.00
June 21	73	55	0.00
June 22	68	53	0.63
June 23	72	56	0.00
June 24	78	50	0.17
June 25	63	45	0.18
June 26	70	48	0.00
June 27	73	51	0.00
June 28	77	55	0.13
June 29	75	53	0.02
June 30	80	53	0.00

July 2004 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	82	57	0.00
July 2	85	59	0.00
July 3	84	62	0.00
July 4	83	68	1.16
July 5	81	63	0.00
July 6	77	59	0.05
July 7	74	58	0.58
July 8	69	52	0.04
July 9	74	55	0.00
July 10	74	55	0.28
July 11	83	60	0.00
July 12	84	64	0.01
July 13	84	63	0.00
July 14	89	61	0.00
July 15	81	58	0.00
July 16	84	62	0.00
July 17	78	61	0.15
July 18	78	57	0.01
July 19	80	59	0.01
July 20	81	61	0.06
July 21	90	69	0.00
July 22	82	69	0.42
July 23	86	60	0.00
July 24	75	53	0.00
July 25	71	53	0.00
July 26	76	51	0.00
July 27	76	54	0.00
July 28	83	57	0.00
July 29	82	60	0.00
July 30	82	64	0.00
July 31	76	63	0.01

August 2004 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	82	60	0.00
August 2	86	60	0.00
August 3	85	66	0.00
August 4	89	65	1.67
August 5	78	54	0.02
August 6	74	50	0.00
August 7	77	50	0.00
August 8	72	55	0.00
August 9	80	58	0.00
August 10	82	59	0.01
August 11	66	54	0.00
August 12	60	52	0.00
August 13	68	45	0.00
August 14	71	47	0.00
August 15	74	47	0.00
August 16	77	48	0.00
August 17	77	53	0.07
August 18	76	57	0.01
August 19	79	49	0.00
August 20	69	50	0.00
August 21	78	45	0.00
August 22	73	46	0.00
August 23	82	55	0.00
August 24	80	62	0.00
August 25	76	66	0.36
August 26	78	67	0.02
August 27	84	67	0.21
August 28	84	63	0.10
August 29	66	52	0.60
August 30	70	52	0.00
August 31	78	52	0.00

September 2004 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	80	54	0.00
September 2	82	59	0.12
September 3	85	58	0.00
September 4	84	59	0.00
September 5	85	60	0.00
September 6	85	65	0.02
September 7	75	51	0.01
September 8	72	51	0.00
September 9	72	51	0.00
September 10	74	50	0.00
September 11	82	51	0.00
September 12	84	51	0.00
September 13	87	55	0.00
September 14	85	55	0.00
September 15	87	65	0.00
September 16	87	55	0.07
September 17	71	46	0.00
September 18	76	47	0.00
September 19	79	56	0.00
September 20	82	56	0.00
September 21	80	47	0.00
September 22	83	46	0.00
September 23	84	46	0.00
September 24	83	52	0.00
September 25	76	46	0.00
September 26	72	42	0.00
September 27	77	41	0.00
September 28	79	41	0.00
September 29	64	39	0.00
September 30	70	36	0.00

October 2004 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	75	36	0.00
October 2	74	33	0.34
October 3	57	33	0.00
October 4	70	38	0.00
October 5	54	27	0.00
October 6	62	27	0.00
October 7	77	39	0.00
October 8	76	43	0.68
October 9	69	43	0.06
October 10	70	38	0.00
October 11	68	37	0.00
October 12	66	37	0.00
October 13	64	43	0.00
October 14	64	43	0.00
October 15	52	44	0.00
October 16	52	39	0.04
October 17	45	29	0.00
October 18	55	29	0.00
October 19	51	46	0.02
October 20	50	46	0.00
October 21	50	44	0.00
October 22	60	44	0.00
October 23	61	44	0.89
October 24	73	44	0.10
October 25	67	38	0.00
October 26	69	38	0.00
October 27	69	49	0.12
October 28	69	48	0.00
October 29	66	47	0.02
October 30	75	47	0.31
October 31	56	44	0.02

November 2004 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	49	42	0.00
November 2	48	42	0.61
November 3	46	42	0.00
November 4	53	43	0.15
November 5	52	32	0.02
November 6	55	31	0.00
November 7	65	38	0.00
November 8	56	26	0.00
November 9	46	31	0.00
November 10	55	32	0.00
November 11	61	35	0.03
November 12	45	26	0.00
November 13	44	22	0.00
November 14	48	21	0.00
November 15	50	21	0.01
November 16	46	36	0.17
November 17	54	46	0.02
November 18	62	54	0.02
November 19	62	47	0.14
November 20	53	47	0.17
November 21	48	29	0.00
November 22	42	29	0.00
November 23	46	34	0.00
November 24	48	32	0.00
November 25	33	17	0.00
November 26	40	18	0.00
November 27	43	30	0.24
November 28	45	30	0.50
November 29	43	30	0.02
November 30	38	22	0.00

December 2004 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	35	20	0.10	1.0
December 2	40	21	0.00	0.0
December 3	36	18	0.00	0.0
December 4	34	18	0.00	0.0
December 5	46	23	0.00	0.0
December 6	43	23	0.20	0.0
December 7	46	34	0.17	0.0
December 8	46	35	0.26	0.0
December 9	41	35	0.00	0.0
December 10	43	38	0.00	0.0
December 11	43	33	0.03	0.0
December 12	35	32	0.00	0.0
December 13	43	22	0.00	0.0
December 14	28	12	0.00	0.0
December 15	28	11	0.00	0.0
December 16	39	16	0.00	0.0
December 17	43	14	0.00	0.0
December 18	33	14	0.00	0.0
December 19	35	1	0.00	0.0
December 20	28	n/a	0.00	0.0
December 21	28	13	0.01	0.3
December 22	30	2	0.00	0.0
December 23	10	1	0.00	0.0
December 24	15	-7	0.00	0.0
December 25	15	-7	0.00	0.0
December 26	19	5	0.00	0.2
December 27	22	5	0.00	0.0
December 28	27	12	0.00	0.0
December 29	40	21	0.00	0.0
December 30	33	20	0.00	0.0
December 31	55	33	0.00	0.0

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Weather Station Details

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