Janesville Weather in 2019

Historical record of Janesville, Wisconsin weather for the year 2019 based on NOAA data.

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2019 Janesville Weather Extremes
Highest temperature	93 °F	July 21
Lowest temperature	-30 °F	February 1
Highest daily low	74 °F	July 20
Lowest daily high	-12 °F	January 31
Most daily precipitation	2.9 inches	September 13
Most daily snow	8.0 inches	January 28
Total annual precipitation	49.9 inches	-
Total annual snow	61.7 inches	-

What was the hottest temperature in Janesville in 2019?

The highest temperature recorded in Janesville, Wisconsin in 2019 was 93 °F which happened 2 different times.

Highest Temperatures: All-Time By Year

Highest Temperatures in Janesville in 2019

Rank	Temperature	Date
1	93 °F	Jul 21
1	93 °F	Jul 20
3	91 °F	Jul 15
3	91 °F	Jul 3
5	90 °F	Jul 18
5	90 °F	Jul 14
5	90 °F	Jun 30
5	90 °F	Jun 28
9	89 °F	Jul 29
9	89 °F	Jul 16
9	89 °F	Jul 11
9	89 °F	Jul 6
9	89 °F	Jul 5

What was the coldest temperature in Janesville in 2019?

The lowest temperature recorded in Janesville, Wisconsin in 2019 was -30 °F which happened 2 different times.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Janesville in 2019

Rank	Temperature	Date
1	-30 °F	February 1
1	-30 °F	January 31
3	-26 °F	January 30
4	-20 °F	January 27
5	-19 °F	January 26
6	-14 °F	January 28
7	-11 °F	January 25
8	-10 °F	January 21
9	-7 °F	March 5
9	-7 °F	March 4
9	-7 °F	January 22

January 2019 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	36	24	0.50	0.5
January 2	25	20	0.00	0.0
January 3	27	20	0.00	0.0
January 4	39	21	0.00	0.0
January 5	45	25	0.00	0.0
January 6	50	25	0.00	0.0
January 7	42	28	0.26	0.0
January 8	50	35	0.50	0.0
January 9	42	16	0.00	0.0
January 10	22	13	0.00	0.0
January 11	26	13	0.00	0.0
January 12	28	18	0.00	0.0
January 13	31	28	0.03	0.3
January 14	30	25	0.00	0.0
January 15	28	23	0.00	0.0
January 16	33	26	0.00	0.0
January 17	33	25	0.00	0.0
January 18	32	24	0.00	0.0
January 19	25	12	0.35	4.5
January 20	19	-1	0.00	0.0
January 21	10	-10	0.00	0.0
January 22	18	-7	0.00	0.0
January 23	27	17	0.38	7.5
January 24	23	-1	0.04	1.6
January 25	22	-11	0.01	0.0
January 26	5	-19	0.00	0.4
January 27	6	-20	0.02	1.0
January 28	19	-14	0.42	8.0
January 29	23	-3	0.01	0.2
January 30	3	-26	0.00	0.0
January 31	-12	-30	0.00	0.0

February 2019 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	0	-30	0.02	1.0
February 2	21	-1	0.00	0.0
February 3	42	21	0.01	0.0
February 4	44	37	0.00	0.0
February 5	44	20	0.10	0.0
February 6	29	20	0.32	0.0
February 7	31	25	0.24	0.0
February 8	33	0	0.23	0.0
February 9	10	-1	0.00	0.0
February 10	22	1	0.00	0.0
February 11	27	22	0.05	0.8
February 12	29	25	0.43	4.2
February 13	30	11	0.13	2.6
February 14	33	11	0.00	0.0
February 15	43	3	0.00	0.0
February 16	17	3	0.00	0.0
February 17	29	7	0.07	1.1
February 18	28	16	0.17	4.6
February 19	26	0	0.00	0.0
February 20	29	1	0.07	1.1
February 21	34	18	0.13	1.0
February 22	29	14	0.00	0.0
February 23	36	17	0.05	0.0
February 24	39	31	1.10	0.0
February 25	32	1	0.00	0.0
February 26	13	1	0.00	0.0
February 27	19	9	0.05	1.0
February 28	23	6	0.00	0.0

March 2019 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	22	8	0.00	0.0
March 2	31	20	0.03	0.3
March 3	27	10	0.00	0.0
March 4	16	-7	0.00	0.0
March 5	9	-7	0.00	0.0
March 6	18	5	0.00	0.0
March 7	26	5	0.00	0.0
March 8	24	10	0.00	0.0
March 9	37	22	0.00	0.0
March 10	36	31	0.43	0.0
March 11	34	23	0.00	0.0
March 12	37	20	0.00	0.0
March 13	45	19	0.41	0.0
March 14	54	38	0.20	0.0
March 15	63	34	0.23	0.0
March 16	42	27	0.00	0.0
March 17	41	25	0.00	0.0
March 18	42	24	0.00	0.0
March 19	45	25	0.00	0.0
March 20	49	25	0.00	0.0
March 21	48	34	0.00	0.0
March 22	51	32	0.00	0.0
March 23	50	24	0.00	0.0
March 24	54	24	0.01	0.0
March 25	44	28	0.13	0.0
March 26	45	21	0.00	0.0
March 27	49	21	0.00	0.0
March 28	60	34	0.00	0.0
March 29	61	31	0.00	0.0
March 30	54	31	0.03	0.0
March 31	43	21	0.00	0.0

April 2019 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	41	20	0.00	0.0
April 2	51	29	0.00	0.0
April 3	47	30	0.00	0.0
April 4	58	30	0.00	0.0
April 5	44	37	0.01	0.0
April 6	58	37	0.00	0.0
April 7	65	39	0.00	0.0
April 8	64	42	0.14	0.0
April 9	73	38	0.00	0.0
April 10	65	33	0.00	0.0
April 11	38	33	0.17	0.0
April 12	48	34	0.55	0.0
April 13	41	31	0.00	0.0
April 14	46	32	0.00	0.0
April 15	37	26	0.09	0.9
April 16	56	27	0.01	0.0
April 17	68	45	0.00	0.0
April 18	72	47	0.00	0.0
April 19	49	39	0.00	0.0
April 20	58	32	0.00	0.0
April 21	67	35	0.00	0.0
April 22	79	42	0.00	0.0
April 23	80	46	0.07	0.0
April 24	65	40	0.00	0.0
April 25	65	39	0.00	0.0
April 26	73	41	0.26	0.0
April 27	62	40	0.00	0.0
April 28	42	26	0.56	5.0
April 29	53	31	0.33	0.0
April 30	51	41	0.26	0.0

May 2019 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	44	41	0.60
May 2	52	42	0.05
May 3	50	40	0.29
May 4	56	35	0.00
May 5	69	40	0.00
May 6	73	48	0.65
May 7	58	44	0.14
May 8	56	41	0.02
May 9	61	44	1.05
May 10	62	38	0.01
May 11	60	41	0.00
May 12	54	39	0.01
May 13	54	36	0.00
May 14	65	39	0.00
May 15	71	43	0.00
May 16	77	50	0.00
May 17	77	52	0.36
May 18	61	45	0.08
May 19	70	47	0.10
May 20	69	41	0.12
May 21	57	43	0.00
May 22	54	47	0.60
May 23	80	53	0.19
May 24	73	53	0.65
May 25	73	53	0.90
May 26	81	63	0.00
May 27	78	54	0.00
May 28	69	55	0.30
May 29	62	53	0.12
May 30	71	54	1.03
May 31	79	56	0.00

June 2019 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	83	59	0.01
June 2	78	56	0.42
June 3	73	47	0.01
June 4	69	50	0.00
June 5	79	57	1.56
June 6	83	58	0.00
June 7	83	56	0.00
June 8	83	56	0.00
June 9	82	63	0.00
June 10	77	57	0.01
June 11	74	50	0.00
June 12	79	57	0.02
June 13	65	50	0.06
June 14	69	46	0.01
June 15	78	55	0.01
June 16	73	56	0.12
June 17	64	56	0.00
June 18	73	55	0.00
June 19	80	58	0.05
June 20	67	57	0.23
June 21	74	53	0.00
June 22	73	56	0.00
June 23	79	60	0.04
June 24	81	63	0.07
June 25	78	55	0.47
June 26	81	60	0.25
June 27	87	63	0.00
June 28	90	65	0.14
June 29	86	66	0.67
June 30	90	69	0.00

July 2019 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	86	66	0.34
July 2	87	69	0.12
July 3	91	69	0.00
July 4	87	68	0.02
July 5	89	69	0.16
July 6	89	69	0.49
July 7	79	63	0.59
July 8	81	58	0.00
July 9	82	58	0.00
July 10	87	64	0.34
July 11	89	65	0.00
July 12	83	59	0.00
July 13	86	62	0.00
July 14	90	65	0.00
July 15	91	70	0.00
July 16	89	68	0.00
July 17	87	69	0.03
July 18	90	70	0.74
July 19	86	71	0.67
July 20	93	74	0.01
July 21	93	69	0.46
July 22	82	65	0.00
July 23	76	58	0.00
July 24	80	58	0.00
July 25	83	60	0.00
July 26	84	63	0.00
July 27	85	66	0.00
July 28	87	70	0.00
July 29	89	68	0.15
July 30	84	63	0.00
July 31	77	55	0.00

August 2019 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	79	54	0.00
August 2	81	54	0.00
August 3	84	57	0.00
August 4	88	61	0.19
August 5	86	64	0.00
August 6	88	64	1.10
August 7	83	62	0.00
August 8	85	63	0.05
August 9	80	55	0.00
August 10	79	56	0.00
August 11	82	62	0.57
August 12	79	63	0.04
August 13	79	69	0.10
August 14	83	63	0.18
August 15	76	58	0.00
August 16	79	59	0.00
August 17	81	58	0.08
August 18	81	60	0.66
August 19	79	62	0.32
August 20	83	63	0.01
August 21	80	64	0.13
August 22	81	56	0.00
August 23	77	55	0.00
August 24	74	52	0.00
August 25	75	52	0.00
August 26	76	55	0.42
August 27	76	59	0.64
August 28	78	55	0.00
August 29	73	51	0.00
August 30	83	53	0.00
August 31	73	52	0.00

September 2019 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	73	52	0.00
September 2	75	57	0.00
September 3	83	58	0.32
September 4	81	56	0.00
September 5	66	48	0.00
September 6	75	49	0.01
September 7	72	51	0.00
September 8	76	52	0.00
September 9	64	57	0.04
September 10	72	59	2.33
September 11	84	65	0.01
September 12	84	61	1.56
September 13	77	61	2.90
September 14	70	52	0.00
September 15	79	54	0.26
September 16	77	64	0.01
September 17	82	60	0.00
September 18	81	59	0.00
September 19	82	61	0.00
September 20	74	62	0.55
September 21	83	61	0.00
September 22	74	70	0.50
September 23	71	54	0.88
September 24	74	53	0.00
September 25	81	56	0.00
September 26	76	51	0.00
September 27	71	51	0.03
September 28	65	57	0.45
September 29	65	53	1.48
September 30	65	56	0.29

October 2019 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
October 1	85	56	0.00	0.0
October 2	77	55	1.82	0.0
October 3	59	54	0.55	0.0
October 4	60	43	0.01	0.0
October 5	58	43	0.00	0.0
October 6	60	46	0.65	0.0
October 7	63	43	0.00	0.0
October 8	68	40	0.00	0.0
October 9	71	40	0.00	0.0
October 10	72	43	0.00	0.0
October 11	72	55	0.20	0.0
October 12	59	33	0.18	0.0
October 13	54	33	0.00	0.0
October 14	44	32	0.00	0.0
October 15	53	32	0.00	0.0
October 16	62	43	0.00	0.0
October 17	53	37	0.00	0.0
October 18	54	33	0.00	0.0
October 19	60	35	0.00	0.0
October 20	64	48	0.00	0.0
October 21	69	47	0.00	0.0
October 22	66	45	0.35	0.0
October 23	48	38	0.00	0.0
October 24	58	36	0.20	0.0
October 25	49	30	0.00	0.0
October 26	50	29	0.00	0.0
October 27	48	30	0.88	0.0
October 28	60	36	0.00	0.0
October 29	44	32	0.18	1.8
October 30	41	27	0.00	0.0
October 31	38	27	0.15	1.7

November 2019 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	31	18	0.07	4.0
November 2	41	21	0.05	0.0
November 3	39	27	0.00	0.0
November 4	50	30	0.12	0.0
November 5	47	28	0.00	0.0
November 6	37	28	0.03	0.0
November 7	38	16	0.03	0.5
November 8	28	11	0.00	0.0
November 9	31	12	0.00	0.0
November 10	45	31	0.00	0.0
November 11	37	18	0.23	4.0
November 12	22	2	0.02	0.3
November 13	17	2	0.00	0.0
November 14	25	11	0.04	0.6
November 15	27	15	0.00	0.0
November 16	41	15	0.00	0.0
November 17	40	21	0.00	0.0
November 18	36	30	0.22	0.0
November 19	36	31	0.00	0.0
November 20	38	31	0.01	0.0
November 21	48	37	0.57	0.0
November 22	53	25	0.00	0.0
November 23	35	22	0.00	0.0
November 24	40	22	0.00	0.0
November 25	46	28	0.00	0.0
November 26	52	27	0.00	0.0
November 27	48	29	0.54	0.0
November 28	45	30	0.01	0.0
November 29	33	30	0.01	0.0
November 30	36	31	0.01	0.0

December 2019 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	38	36	0.31	0.0
December 2	38	28	0.01	0.1
December 3	35	25	0.00	0.0
December 4	42	27	0.00	0.0
December 5	44	23	0.00	0.0
December 6	43	22	0.00	0.0
December 7	39	22	0.00	0.0
December 8	38	28	0.00	0.0
December 9	42	34	0.04	0.0
December 10	43	11	0.01	0.0
December 11	20	8	0.00	0.0
December 12	24	14	0.00	0.0
December 13	41	24	0.00	0.0
December 14	39	26	0.00	0.0
December 15	30	12	0.00	0.0
December 16	24	12	0.02	0.3
December 17	30	16	0.00	0.0
December 18	28	6	0.00	0.0
December 19	18	5	0.00	0.0
December 20	37	17	0.00	0.0
December 21	42	23	0.00	0.0
December 22	47	23	0.00	0.0
December 23	52	27	0.00	0.0
December 24	47	32	0.00	0.0
December 25	54	30	0.00	0.0
December 26	56	31	0.00	0.0
December 27	51	31	0.00	0.0
December 28	38	22	0.00	0.0
December 29	54	31	0.62	0.0
December 30	55	32	0.36	0.0
December 31	33	22	0.13	0.8

Next Year >

Weather Station Details

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