Janesville Weather in 1990

Historical record of Janesville, Wisconsin weather for the year 1990 based on NOAA data.

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1990 Janesville Weather Extremes
Highest temperature	95 °F	September 6
Lowest temperature	-10 °F	December 26
Highest daily low	71 °F	August 27
Lowest daily high	2 °F	December 23
Most daily precipitation	1.7 inches	June 13
Most daily snow	8.0 inches	December 3
Total annual precipitation	35.7 inches	-
Total annual snow	36.9 inches	-

What was the hottest temperature in Janesville in 1990?

The highest temperature recorded in Janesville, Wisconsin in 1990 was 95 °F which happened 2 different times.

Highest Temperatures: All-Time By Year

Highest Temperatures in Janesville in 1990

Rank	Temperature	Date
1	95 °F	Sep 6
1	95 °F	Jul 4
3	92 °F	Aug 27
3	92 °F	Jul 8
5	91 °F	Sep 4
5	91 °F	Aug 18
7	90 °F	Jun 12
8	89 °F	Aug 28
8	89 °F	Jul 3
8	89 °F	Jun 30

What was the coldest temperature in Janesville in 1990?

The lowest temperature recorded in Janesville, Wisconsin in 1990 was -10 °F which happened 2 different times.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Janesville in 1990

Rank	Temperature	Date
1	-10 °F	December 26
1	-10 °F	December 25
3	-8 °F	December 23
4	-7 °F	December 22
5	-5 °F	December 24
6	-3 °F	December 31
6	-3 °F	December 30
6	-3 °F	February 24
9	-2 °F	February 25
10	1 °F	February 19
10	1 °F	February 17
10	1 °F	February 16

January 1990 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	28	20	0.00	0.0
January 2	38	22	0.00	0.0
January 3	41	30	0.60	0.3
January 4	33	13	0.03	0.0
January 5	35	13	0.00	0.0
January 6	35	13	0.00	0.0
January 7	40	21	0.00	0.0
January 8	41	30	0.03	0.0
January 9	40	27	0.03	0.0
January 10	40	26	0.00	0.0
January 11	37	20	0.00	0.0
January 12	28	10	0.00	0.0
January 13	29	10	0.00	0.0
January 14	40	19	0.00	0.0
January 15	52	19	0.00	0.0
January 16	52	36	0.15	0.0
January 17	51	28	0.00	0.0
January 18	35	19	0.00	0.0
January 19	38	19	0.00	0.0
January 20	33	22	0.18	1.0
January 21	31	22	0.00	0.0
January 22	41	28	0.00	0.0
January 23	36	31	0.15	0.0
January 24	44	28	0.17	3.5
January 25	28	3	0.11	4.0
January 26	37	4	0.00	0.0
January 27	44	15	0.00	0.0
January 28	36	15	0.00	0.0
January 29	40	14	0.00	0.0
January 30	44	12	0.00	0.0
January 31	42	13	0.00	0.0

February 1990 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	n/a	18	1.07	1.5
February 2	26	18	0.18	1.8
February 3	29	21	0.00	0.0
February 4	34	20	0.00	0.0
February 5	48	25	0.00	0.0
February 6	39	25	0.00	0.0
February 7	39	26	0.00	0.0
February 8	56	30	0.00	0.0
February 9	47	23	0.00	0.0
February 10	39	18	0.00	0.0
February 11	34	19	0.00	0.0
February 12	54	27	0.00	0.0
February 13	38	17	0.00	0.0
February 14	26	17	0.40	5.0
February 15	30	26	0.12	0.8
February 16	31	1	0.00	0.0
February 17	24	1	0.00	0.0
February 18	39	16	0.00	0.0
February 19	28	1	0.00	0.0
February 20	30	3	0.00	0.0
February 21	43	25	0.08	0.0
February 22	35	25	0.26	0.0
February 23	38	16	0.23	3.0
February 24	17	-3	0.00	0.0
February 25	18	-2	0.00	0.0
February 26	31	18	0.00	0.0
February 27	35	10	0.00	0.0
February 28	34	16	0.00	0.0

March 1990 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	43	20	0.00
March 2	52	21	0.00
March 3	28	20	0.00
March 4	35	24	0.00
March 5	32	23	0.00
March 6	34	21	0.00
March 7	36	23	0.10
March 8	40	30	0.66
March 9	49	34	0.37
March 10	46	39	0.53
March 11	67	43	0.23
March 12	76	54	0.08
March 13	71	42	0.50
March 14	69	58	0.20
March 15	69	38	0.00
March 16	59	36	0.00
March 17	44	33	0.00
March 18	43	27	0.01
March 19	33	21	0.00
March 20	46	19	0.00
March 21	62	36	0.04
March 22	48	19	0.31
March 23	30	20	0.00
March 24	36	21	0.00
March 25	45	27	0.00
March 26	41	18	0.00
March 27	49	26	0.00
March 28	54	36	0.05
March 29	54	36	0.09
March 30	54	32	0.00
March 31	54	32	0.02

April 1990 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	54	32	0.29
April 2	38	28	0.00
April 3	52	29	0.02
April 4	58	30	0.09
April 5	44	25	0.00
April 6	34	20	0.00
April 7	46	23	0.00
April 8	64	34	0.00
April 9	57	36	0.45
April 10	48	31	0.01
April 11	38	23	0.00
April 12	45	25	0.00
April 13	52	31	0.59
April 14	59	37	0.01
April 15	56	32	0.00
April 16	57	29	0.01
April 17	45	23	0.00
April 18	56	26	0.00
April 19	55	41	0.61
April 20	59	48	0.25
April 21	69	38	0.00
April 22	73	42	0.00
April 23	81	54	0.00
April 24	85	62	0.00
April 25	85	62	0.00
April 26	84	60	0.00
April 27	84	59	0.08
April 28	62	44	0.19
April 29	71	45	0.00
April 30	59	41	0.00

May 1990 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
May 1	56	36	0.00	0.0
May 2	65	41	0.00	0.0
May 3	62	44	0.88	0.0
May 4	46	37	0.27	0.0
May 5	65	43	0.00	0.0
May 6	68	46	0.00	0.0
May 7	76	53	0.00	0.0
May 8	78	58	0.02	0.0
May 9	78	33	1.34	1.0
May 10	47	30	0.05	0.0
May 11	64	40	0.03	0.0
May 12	52	41	0.23	0.0
May 13	68	45	0.00	0.0
May 14	67	49	0.00	0.0
May 15	n/a	51	0.60	0.0
May 16	70	50	0.00	0.0
May 17	57	43	0.00	0.0
May 18	70	47	0.00	0.0
May 19	55	46	1.16	0.0
May 20	50	46	0.00	0.0
May 21	63	39	0.00	0.0
May 22	70	44	0.00	0.0
May 23	68	51	0.01	0.0
May 24	71	54	0.01	0.0
May 25	59	54	0.00	0.0
May 26	66	53	0.00	0.0
May 27	76	47	0.00	0.0
May 28	76	48	0.00	0.0
May 29	70	41	0.00	0.0
May 30	71	41	0.00	0.0
May 31	77	41	0.02	0.0

June 1990 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	84	62	0.00
June 2	82	59	0.15
June 3	62	41	0.01
June 4	66	41	0.00
June 5	60	48	0.23
June 6	77	49	0.00
June 7	78	56	0.09
June 8	78	60	0.00
June 9	79	52	0.00
June 10	79	51	0.00
June 11	77	58	0.00
June 12	90	70	0.00
June 13	85	67	1.68
June 14	82	57	0.02
June 15	82	62	0.00
June 16	77	65	1.10
June 17	85	65	0.00
June 18	82	54	0.00
June 19	72	57	0.08
June 20	83	60	0.00
June 21	80	62	0.32
June 22	68	58	0.49
June 23	74	49	0.01
June 24	81	55	0.00
June 25	83	62	0.11
June 26	85	63	0.06
June 27	86	62	0.01
June 28	n/a	n/a	1.49
June 29	79	65	0.01
June 30	89	61	0.00

July 1990 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	78	55	0.00
July 2	83	62	0.00
July 3	89	62	0.00
July 4	95	68	0.07
July 5	82	54	0.00
July 6	73	52	0.00
July 7	80	57	0.00
July 8	92	66	0.00
July 9	82	63	0.00
July 10	78	61	0.05
July 11	78	59	0.00
July 12	71	53	0.00
July 13	72	55	0.89
July 14	72	55	0.62
July 15	73	57	0.01
July 16	80	62	0.00
July 17	84	62	0.00
July 18	83	64	0.16
July 19	84	67	0.40
July 20	80	60	0.00
July 21	74	58	0.01
July 22	80	55	0.00
July 23	78	54	0.00
July 24	81	59	0.69
July 25	83	62	0.00
July 26	82	64	0.02
July 27	79	66	0.01
July 28	85	68	0.67
July 29	82	67	0.16
July 30	78	53	0.00
July 31	73	49	0.00

August 1990 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	77	53	0.00
August 2	80	58	0.02
August 3	84	66	0.11
August 4	82	59	0.00
August 5	74	54	0.00
August 6	70	47	0.00
August 7	77	47	0.00
August 8	82	51	0.00
August 9	80	59	0.10
August 10	82	63	0.00
August 11	82	64	0.00
August 12	72	55	0.03
August 13	73	50	0.00
August 14	82	55	0.00
August 15	86	64	0.00
August 16	82	67	0.00
August 17	78	68	0.48
August 18	91	69	0.42
August 19	79	65	1.42
August 20	72	64	0.06
August 21	68	64	0.00
August 22	77	57	0.00
August 23	80	59	0.00
August 24	84	66	0.07
August 25	85	66	0.15
August 26	83	68	0.04
August 27	92	71	0.00
August 28	89	59	0.00
August 29	82	54	0.00
August 30	82	53	0.00
August 31	82	55	0.00

September 1990 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	87	61	0.00
September 2	81	56	0.00
September 3	81	56	0.00
September 4	91	67	0.00
September 5	86	69	0.00
September 6	95	66	0.00
September 7	80	59	0.00
September 8	82	57	0.00
September 9	83	58	0.00
September 10	84	60	0.18
September 11	81	61	0.00
September 12	85	56	0.00
September 13	85	58	0.05
September 14	70	48	0.24
September 15	74	48	0.02
September 16	61	41	0.00
September 17	67	46	0.00
September 18	62	50	0.08
September 19	66	43	0.00
September 20	70	44	0.62
September 21	70	45	0.00
September 22	59	40	0.00
September 23	57	37	0.00
September 24	69	41	0.00
September 25	79	47	0.00
September 26	79	42	0.00
September 27	84	43	0.00
September 28	63	46	0.08
September 29	65	44	0.10
September 30	60	41	0.00

October 1990 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	67	35	0.00
October 2	73	35	0.00
October 3	74	44	0.55
October 4	67	45	0.00
October 5	84	51	0.00
October 6	81	47	0.00
October 7	49	42	0.02
October 8	48	41	0.29
October 9	46	40	0.16
October 10	40	28	0.58
October 11	59	27	0.00
October 12	62	32	0.00
October 13	62	35	0.00
October 14	58	39	0.38
October 15	57	39	0.00
October 16	68	42	0.00
October 17	76	36	0.55
October 18	41	26	0.03
October 19	51	27	0.00
October 20	65	43	0.09
October 21	53	26	0.00
October 22	54	26	0.00
October 23	60	33	0.00
October 24	54	29	0.00
October 25	49	27	0.00
October 26	56	26	0.00
October 27	59	31	0.00
October 28	49	25	0.00
October 29	63	25	0.00
October 30	70	39	0.00
October 31	70	41	0.00

November 1990 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	73	48	0.00	0.0
November 2	70	53	0.01	0.0
November 3	64	34	0.96	0.0
November 4	39	33	0.45	0.0
November 5	36	28	0.06	0.0
November 6	40	29	0.05	0.0
November 7	36	19	0.00	0.0
November 8	36	20	0.21	1.5
November 9	35	27	0.00	0.0
November 10	48	19	0.00	0.0
November 11	49	25	0.00	0.0
November 12	43	23	0.00	0.0
November 13	46	24	0.00	0.0
November 14	68	37	0.00	0.0
November 15	69	49	0.00	0.0
November 16	53	24	0.00	0.0
November 17	52	24	0.00	0.0
November 18	52	36	0.00	0.0
November 19	55	29	0.00	0.0
November 20	57	30	0.18	0.0
November 21	63	29	0.13	0.0
November 22	53	29	0.02	0.0
November 23	43	28	0.00	0.0
November 24	51	30	0.00	0.0
November 25	44	29	0.00	0.0
November 26	66	36	0.32	0.0
November 27	59	27	0.44	0.0
November 28	31	21	0.00	0.0
November 29	37	21	0.00	0.0
November 30	48	35	0.00	0.0

December 1990 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	46	17	0.00	0.0
December 2	38	17	0.27	4.0
December 3	30	17	0.45	8.0
December 4	22	3	0.00	0.0
December 5	36	12	0.00	0.0
December 6	30	10	0.00	0.0
December 7	35	13	0.00	0.0
December 8	41	13	0.00	0.0
December 9	44	21	0.00	0.0
December 10	40	21	0.00	0.0
December 11	45	21	0.00	0.0
December 12	46	26	0.00	0.0
December 13	29	12	0.00	0.0
December 14	33	17	0.19	1.0
December 15	36	21	0.07	0.0
December 16	33	21	0.00	0.0
December 17	38	31	0.26	0.0
December 18	32	24	0.00	0.0
December 19	34	29	0.00	0.0
December 20	40	28	0.00	0.0
December 21	28	3	0.12	n/a
December 22	3	-7	0.00	0.0
December 23	2	-8	0.00	0.0
December 24	19	-5	0.00	0.0
December 25	23	-10	0.00	0.0
December 26	10	-10	0.00	0.0
December 27	28	7	0.00	0.0
December 28	35	25	0.71	0.0
December 29	34	2	0.03	0.0
December 30	8	-3	0.02	0.5
December 31	14	-3	0.00	0.0

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Weather Station Details

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