Janesville Weather in 2011

Historical record of Janesville, Wisconsin weather for the year 2011 based on NOAA data.

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2011 Janesville Weather Extremes
Highest temperature	99 °F	July 21
Lowest temperature	-17 °F	February 11
Highest daily low	77 °F	July 21
Lowest daily high	8 °F	January 22
Most daily precipitation	1.9 inches	June 9
Most daily snow	9.6 inches	February 2
Total annual precipitation	33.2 inches	-

What was the hottest temperature in Janesville in 2011?

The highest temperature recorded in Janesville, Wisconsin in 2011 was 99 °F which happened on July 21.

Highest Temperatures: All-Time By Year

Highest Temperatures in Janesville in 2011

Rank	Temperature	Date
1	99 °F	Jul 21
2	97 °F	Jun 8
3	96 °F	Jul 20
3	96 °F	Jun 7
5	95 °F	Aug 3
5	95 °F	Jul 18
7	93 °F	Sep 2
7	93 °F	Jul 19
9	92 °F	Jun 9
9	92 °F	Jun 4
9	92 °F	May 11

What was the coldest temperature in Janesville in 2011?

The lowest temperature recorded in Janesville, Wisconsin in 2011 was -17 °F which happened on Feb 11.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Janesville in 2011

Rank	Temperature	Date
1	-17 °F	February 11
2	-12 °F	February 10
2	-12 °F	January 22
2	-12 °F	January 21
5	-9 °F	January 24
5	-9 °F	January 23
7	-7 °F	February 4
8	-6 °F	February 3
9	-3 °F	February 12
10	-1 °F	February 9

January 2011 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	50	16	0.00	0.0
January 2	17	10	0.00	0.0
January 3	24	10	0.00	0.0
January 4	33	15	0.03	0.6
January 5	19	5	0.00	0.0
January 6	28	7	0.00	0.0
January 7	25	12	0.00	0.0
January 8	18	8	0.00	0.0
January 9	22	3	0.00	0.0
January 10	29	3	0.00	0.0
January 11	32	16	0.02	0.3
January 12	26	17	0.08	1.2
January 13	28	18	0.00	0.0
January 14	25	16	0.01	0.2
January 15	23	17	0.04	0.6
January 16	23	7	0.00	0.0
January 17	21	8	0.02	0.1
January 18	32	21	0.58	7.0
January 19	27	12	0.00	0.0
January 20	23	5	0.00	0.0
January 21	18	-12	0.00	0.0
January 22	8	-12	0.01	0.4
January 23	15	-9	0.00	0.0
January 24	20	-9	0.00	0.0
January 25	23	17	0.00	0.0
January 26	29	19	0.00	0.0
January 27	21	17	0.00	0.0
January 28	26	17	0.12	2.0
January 29	32	18	0.00	0.0
January 30	35	22	0.01	0.0
January 31	28	17	0.00	0.0

February 2011 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	23	16	0.14	2.8
February 2	22	15	0.49	9.6
February 3	23	-6	0.00	0.0
February 4	15	-7	0.00	0.0
February 5	24	4	0.00	0.0
February 6	27	9	0.13	2.0
February 7	31	13	0.05	1.0
February 8	29	5	0.02	0.3
February 9	12	-1	0.00	0.0
February 10	12	-12	0.00	0.0
February 11	16	-17	0.00	0.0
February 12	21	-3	0.00	0.0
February 13	36	21	0.00	0.0
February 14	44	29	0.00	0.0
February 15	46	25	0.00	0.0
February 16	39	28	0.00	0.0
February 17	47	34	0.00	0.0
February 18	52	33	0.00	0.0
February 19	44	21	0.00	0.0
February 20	44	21	0.00	0.0
February 21	34	29	1.21	0.0
February 22	29	21	0.07	1.0
February 23	28	21	0.00	0.0
February 24	33	26	0.01	0.0
February 25	33	26	0.00	0.0
February 26	32	15	0.03	0.6
February 27	20	14	0.06	0.6
February 28	32	14	0.00	0.0

March 2011 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	36	20	0.00	0.0
March 2	43	19	0.00	0.0
March 3	28	19	0.00	0.0
March 4	43	28	0.02	0.0
March 5	42	30	0.48	0.0
March 6	33	16	0.00	0.0
March 7	34	17	0.00	0.0
March 8	33	25	0.00	0.0
March 9	44	32	0.40	1.0
March 10	36	31	0.02	0.0
March 11	41	n/a	0.00	0.0
March 12	48	26	0.00	0.0
March 13	34	23	0.00	0.0
March 14	43	23	0.00	0.0
March 15	41	24	0.00	0.0
March 16	51	26	0.00	0.0
March 17	60	27	0.00	0.0
March 18	63	35	0.00	0.0
March 19	52	25	0.00	0.0
March 20	54	25	0.00	0.0
March 21	45	39	1.26	0.0
March 22	55	36	0.05	0.0
March 23	39	33	0.38	0.0
March 24	35	21	0.02	0.0
March 25	35	21	0.00	0.0
March 26	37	20	0.00	0.0
March 27	32	20	0.00	0.0
March 28	37	19	0.00	0.0
March 29	40	21	0.00	0.0
March 30	44	24	0.00	0.0
March 31	47	21	0.00	0.0

April 2011 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	50	22	0.00
April 2	42	32	0.13
April 3	55	35	0.02
April 4	54	40	0.24
April 5	48	32	0.00
April 6	52	32	0.00
April 7	n/a	37	0.00
April 8	56	38	0.28
April 9	49	41	0.02
April 10	68	46	0.00
April 11	82	48	0.06
April 12	63	35	0.00
April 13	62	36	0.00
April 14	71	38	0.01
April 15	47	35	0.01
April 16	45	36	0.26
April 17	39	33	0.11
April 18	53	32	0.18
April 19	46	32	0.08
April 20	37	33	0.69
April 21	44	28	0.00
April 22	54	30	0.04
April 23	45	39	0.49
April 24	57	45	0.00
April 25	59	44	0.00
April 26	62	45	0.53
April 27	63	46	0.51
April 28	50	39	0.06
April 29	43	33	0.04
April 30	64	36	0.00

May 2011 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
May 1	70	45	0.13	0.0
May 2	57	39	0.00	0.0
May 3	57	33	0.00	0.0
May 4	46	31	0.00	0.0
May 5	62	36	0.00	n/a
May 6	63	37	0.00	0.0
May 7	68	46	0.01	n/a
May 8	61	39	0.00	n/a
May 9	72	46	0.00	n/a
May 10	68	55	0.03	0.0
May 11	92	58	0.00	n/a
May 12	90	60	0.00	n/a
May 13	85	59	0.07	n/a
May 14	67	48	0.28	n/a
May 15	53	47	0.07	n/a
May 16	59	38	0.00	n/a
May 17	59	37	0.00	n/a
May 18	66	44	0.02	n/a
May 19	57	48	0.05	n/a
May 20	72	50	0.00	n/a
May 21	79	55	0.00	n/a
May 22	77	60	0.00	n/a
May 23	87	61	1.11	n/a
May 24	77	54	0.00	n/a
May 25	n/a	48	0.05	n/a
May 26	55	48	0.42	n/a
May 27	60	40	0.00	n/a
May 28	65	44	0.01	n/a
May 29	69	50	0.00	n/a
May 30	70	54	0.26	n/a
May 31	89	67	0.00	n/a

June 2011 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
June 1	82	57	0.02	n/a
June 2	80	55	0.00	n/a
June 3	73	55	0.00	n/a
June 4	92	67	0.00	n/a
June 5	89	59	0.00	n/a
June 6	89	63	0.00	n/a
June 7	96	67	0.00	n/a
June 8	97	76	0.00	n/a
June 9	92	64	1.92	n/a
June 10	66	51	0.36	n/a
June 11	66	52	0.02	n/a
June 12	63	51	0.00	n/a
June 13	69	52	0.00	n/a
June 14	75	51	0.00	n/a
June 15	75	56	0.33	n/a
June 16	68	56	0.10	n/a
June 17	81	60	0.01	n/a
June 18	83	61	0.00	n/a
June 19	83	63	0.00	n/a
June 20	84	64	0.03	n/a
June 21	82	66	0.00	n/a
June 22	87	65	0.05	n/a
June 23	72	63	0.09	n/a
June 24	66	57	0.05	n/a
June 25	70	53	0.00	n/a
June 26	76	54	0.00	n/a
June 27	81	60	0.00	n/a
June 28	n/a	61	0.03	n/a
June 29	80	55	0.00	n/a
June 30	84	59	0.00	n/a

July 2011 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
July 1	89	66	0.00	n/a
July 2	91	76	0.00	n/a
July 3	88	65	0.00	n/a
July 4	83	59	0.00	n/a
July 5	89	62	0.00	n/a
July 6	90	69	0.00	n/a
July 7	88	61	0.00	n/a
July 8	85	56	0.00	n/a
July 9	89	61	0.00	n/a
July 10	90	69	0.00	n/a
July 11	90	74	0.05	n/a
July 12	87	65	0.67	n/a
July 13	85	61	0.01	n/a
July 14	78	56	0.00	n/a
July 15	82	59	0.00	n/a
July 16	83	67	0.05	n/a
July 17	87	69	0.00	n/a
July 18	95	70	0.09	n/a
July 19	93	74	0.00	n/a
July 20	96	74	0.00	n/a
July 21	99	77	0.00	n/a
July 22	91	68	0.42	n/a
July 23	87	68	1.43	n/a
July 24	86	71	0.08	n/a
July 25	86	66	0.00	n/a
July 26	86	66	0.00	n/a
July 27	86	63	0.30	n/a
July 28	77	63	1.24	n/a
July 29	79	68	0.10	n/a
July 30	88	65	0.00	n/a
July 31	89	65	0.00	n/a

August 2011 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
August 1	90	66	0.00	n/a
August 2	89	72	0.00	n/a
August 3	95	72	0.00	n/a
August 4	88	65	0.00	n/a
August 5	86	67	0.00	n/a
August 6	84	69	0.00	n/a
August 7	88	70	0.02	n/a
August 8	87	63	0.12	n/a
August 9	77	63	0.31	n/a
August 10	79	55	0.00	n/a
August 11	77	52	0.00	n/a
August 12	81	54	0.00	n/a
August 13	81	58	0.20	n/a
August 14	80	59	0.01	n/a
August 15	77	53	0.00	n/a
August 16	83	55	0.00	n/a
August 17	83	52	0.00	n/a
August 18	84	56	0.00	n/a
August 19	83	56	0.00	n/a
August 20	88	62	0.03	n/a
August 21	81	59	0.60	n/a
August 22	80	56	0.01	n/a
August 23	83	57	0.00	n/a
August 24	77	64	0.86	n/a
August 25	88	59	0.00	n/a
August 26	82	55	0.00	n/a
August 27	81	56	0.00	n/a
August 28	84	56	0.00	n/a
August 29	76	51	0.00	n/a
August 30	80	53	0.00	n/a
August 31	73	57	0.28	n/a

September 2011 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
September 1	84	63	0.00	n/a
September 2	93	67	0.00	n/a
September 3	90	67	0.02	n/a
September 4	77	56	0.80	n/a
September 5	69	48	0.02	n/a
September 6	64	n/a	0.00	n/a
September 7	70	46	0.00	n/a
September 8	72	48	0.00	n/a
September 9	78	52	0.00	n/a
September 10	75	55	0.00	n/a
September 11	82	55	0.00	n/a
September 12	83	56	0.00	n/a
September 13	85	59	0.00	n/a
September 14	73	47	0.00	n/a
September 15	61	37	0.00	n/a
September 16	60	37	0.00	n/a
September 17	58	44	0.03	n/a
September 18	69	48	0.00	n/a
September 19	59	55	0.48	n/a
September 20	73	46	0.00	n/a
September 21	76	47	0.00	n/a
September 22	65	50	0.00	n/a
September 23	61	40	0.00	n/a
September 24	56	39	0.00	n/a
September 25	62	44	0.15	n/a
September 26	67	49	0.94	n/a
September 27	60	51	0.90	n/a
September 28	62	52	0.05	n/a
September 29	69	47	0.00	n/a
September 30	70	46	0.14	0.0

October 2011 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	61	35	0.00
October 2	60	32	0.00
October 3	68	32	0.00
October 4	74	40	0.00
October 5	76	40	0.00
October 6	81	43	0.00
October 7	81	46	0.00
October 8	83	50	0.00
October 9	83	47	0.00
October 10	80	47	0.00
October 11	76	47	0.00
October 12	78	53	0.22
October 13	77	57	0.57
October 14	65	45	0.17
October 15	61	41	0.00
October 16	60	41	0.01
October 17	60	40	0.00
October 18	56	36	0.00
October 19	51	36	0.00
October 20	48	41	0.00
October 21	48	32	0.00
October 22	57	32	0.00
October 23	65	33	0.00
October 24	67	39	0.80
October 25	63	38	0.00
October 26	69	44	0.00
October 27	46	40	0.00
October 28	53	29	0.04
October 29	55	29	0.01
October 30	54	29	0.00
October 31	52	35	0.05

November 2011 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	47	30	0.00
November 2	66	34	0.00
November 3	57	38	0.87
November 4	49	29	0.00
November 5	54	28	0.00
November 6	55	32	0.00
November 7	59	32	0.00
November 8	59	33	0.14
November 9	43	40	1.10
November 10	43	31	0.74
November 11	39	28	0.00
November 12	45	29	0.00
November 13	56	31	0.01
November 14	65	34	0.00
November 15	52	28	0.02
November 16	59	29	0.00
November 17	41	21	0.00
November 18	34	22	0.00
November 19	51	31	0.00
November 20	53	36	0.00
November 21	40	29	0.00
November 22	45	30	0.00
November 23	n/a	n/a	0.09
November 24	49	27	0.00
November 25	48	40	0.00
November 26	53	42	0.00
November 27	52	35	0.54
November 28	36	30	0.00
November 29	35	26	0.00
November 30	38	20	0.00

December 2011 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	44	20	0.00	0.0
December 2	42	21	0.05	0.0
December 3	39	21	0.29	0.0
December 4	51	39	0.74	0.0
December 5	39	32	0.00	0.0
December 6	34	26	0.01	0.0
December 7	30	21	0.00	0.0
December 8	31	18	0.00	0.0
December 9	35	18	0.00	0.0
December 10	25	9	0.00	0.0
December 11	28	9	0.00	0.0
December 12	45	25	0.00	0.0
December 13	42	29	0.00	0.0
December 14	42	34	0.47	0.0
December 15	54	39	0.27	0.0
December 16	43	22	0.00	0.0
December 17	33	22	0.05	0.8
December 18	30	16	0.00	0.0
December 19	42	16	0.00	0.0
December 20	44	28	0.00	0.0
December 21	37	28	0.02	0.0
December 22	38	31	0.00	0.0
December 23	35	16	0.00	0.0
December 24	30	16	0.00	0.0
December 25	38	18	0.00	0.0
December 26	44	21	0.00	0.0
December 27	43	23	0.00	0.0
December 28	39	17	0.00	0.0
December 29	33	18	0.00	0.0
December 30	46	27	0.13	0.0
December 31	38	23	0.34	0.0

Next Year >

Weather Station Details

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