Janesville Weather in 1977

Historical record of Janesville, Wisconsin weather for the year 1977 based on NOAA data.

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1977 Janesville Weather Extremes
Highest temperature	99 °F	July 14
Lowest temperature	-23 °F	January 28
Highest daily low	74 °F	August 27
Lowest daily high	-2 °F	January 16
Most daily precipitation	1.3 inches	June 30
Most daily snow	5.0 inches	December 20
Total annual precipitation	30.4 inches	-
Total annual snow	44.1 inches	-

What was the hottest temperature in Janesville in 1977?

The highest temperature recorded in Janesville, Wisconsin in 1977 was 99 °F which happened on July 14.

Highest Temperatures: All-Time By Year

Highest Temperatures in Janesville in 1977

Rank	Temperature	Date
1	99 °F	Jul 14
2	97 °F	Jul 15
2	97 °F	Jul 6
2	97 °F	Jul 4
5	96 °F	Jul 19
6	94 °F	Jul 20
6	94 °F	Jul 16
8	93 °F	Jul 5
8	93 °F	Jun 4
10	92 °F	Aug 27

What was the coldest temperature in Janesville in 1977?

The lowest temperature recorded in Janesville, Wisconsin in 1977 was -23 °F which happened 2 different times.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Janesville in 1977

Rank	Temperature	Date
1	-23 °F	January 28
1	-23 °F	January 16
3	-21 °F	January 11
4	-20 °F	January 17
5	-18 °F	January 12
6	-17 °F	January 29
7	-16 °F	January 18
7	-16 °F	January 9
9	-15 °F	February 7
10	-12 °F	February 6
10	-12 °F	January 27
10	-12 °F	January 7

January 1977 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	15	-3	0.00	0.0
January 2	13	1	0.04	0.4
January 3	22	8	0.04	1.0
January 4	24	-11	0.00	0.0
January 5	25	-3	0.00	0.0
January 6	23	5	0.00	0.0
January 7	20	-12	0.00	0.0
January 8	12	-4	0.09	1.0
January 9	5	-16	0.00	0.0
January 10	12	-2	0.10	1.0
January 11	6	-21	0.00	0.0
January 12	5	-18	0.00	0.0
January 13	21	-10	0.05	0.5
January 14	21	1	0.00	0.0
January 15	15	-10	0.00	0.0
January 16	-2	-23	0.00	0.0
January 17	6	-20	0.00	0.0
January 18	20	-16	0.00	0.0
January 19	14	-6	0.00	0.0
January 20	26	2	0.09	0.9
January 21	22	4	0.00	0.0
January 22	20	-11	0.00	0.0
January 23	26	4	0.00	0.0
January 24	29	21	0.04	0.4
January 25	30	16	0.02	0.2
January 26	28	-1	0.03	0.3
January 27	6	-12	0.00	0.0
January 28	14	-23	0.03	0.5
January 29	7	-17	0.00	0.0
January 30	10	-8	0.00	0.0
January 31	17	-5	0.00	0.0

February 1977 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	24	-3	0.00	0.0
February 2	29	-5	0.00	0.0
February 3	30	20	0.00	0.0
February 4	29	15	0.02	2.0
February 5	16	-3	0.00	0.0
February 6	13	-12	0.00	0.0
February 7	17	-15	0.00	0.0
February 8	28	7	0.00	0.0
February 9	45	15	0.00	0.0
February 10	43	17	0.00	0.0
February 11	51	24	0.00	0.0
February 12	42	25	0.00	0.0
February 13	38	27	0.00	0.0
February 14	31	20	0.00	0.0
February 15	23	5	0.00	0.0
February 16	26	-2	0.00	0.0
February 17	37	8	0.00	0.0
February 18	42	15	0.00	0.0
February 19	38	21	0.00	0.0
February 20	29	12	0.00	0.0
February 21	37	9	0.00	0.0
February 22	43	19	0.00	0.0
February 23	51	30	0.37	0.0
February 24	50	27	0.15	0.0
February 25	35	26	0.00	0.0
February 26	35	22	0.00	0.0
February 27	31	20	0.02	0.2
February 28	39	15	0.00	0.0

March 1977 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	38	14	0.00	0.0
March 2	40	14	0.00	0.0
March 3	41	29	0.13	0.0
March 4	41	33	0.56	0.0
March 5	37	22	0.00	0.0
March 6	36	27	0.00	0.0
March 7	50	24	0.00	0.0
March 8	67	29	0.00	0.0
March 9	68	40	0.00	0.0
March 10	65	31	0.00	0.0
March 11	64	47	0.00	0.0
March 12	63	48	0.36	0.0
March 13	52	37	0.03	0.0
March 14	60	41	0.00	0.0
March 15	62	42	0.00	0.0
March 16	53	29	0.00	0.0
March 17	49	25	0.05	0.0
March 18	35	29	0.35	3.5
March 19	42	13	0.00	0.0
March 20	47	27	0.02	0.0
March 21	42	26	0.06	0.5
March 22	45	20	0.00	0.0
March 23	43	31	0.00	0.0
March 24	41	19	0.00	0.0
March 25	62	25	0.00	0.0
March 26	68	33	0.00	0.0
March 27	63	46	0.34	0.0
March 28	57	48	0.75	0.0
March 29	63	48	0.63	0.0
March 30	54	37	0.78	0.0
March 31	48	31	0.00	0.0

April 1977 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	54	33	0.00	0.0
April 2	58	38	0.46	0.0
April 3	50	31	0.00	0.0
April 4	43	33	0.64	0.0
April 5	41	29	0.19	2.0
April 6	43	19	0.00	0.0
April 7	60	31	0.00	0.0
April 8	52	24	0.00	0.0
April 9	63	26	0.00	0.0
April 10	83	44	0.00	0.0
April 11	83	55	0.00	0.0
April 12	82	47	0.00	0.0
April 13	76	54	0.00	0.0
April 14	61	46	0.07	0.0
April 15	82	40	0.00	0.0
April 16	85	49	0.00	0.0
April 17	87	49	0.00	0.0
April 18	88	49	0.03	0.0
April 19	77	60	0.16	0.0
April 20	78	59	0.07	0.0
April 21	73	55	0.72	0.0
April 22	64	48	0.02	0.0
April 23	70	44	0.00	0.0
April 24	65	43	0.00	0.0
April 25	61	40	0.01	0.0
April 26	70	31	0.00	0.0
April 27	82	48	0.00	0.0
April 28	79	35	0.25	0.0
April 29	65	27	0.00	0.0
April 30	73	35	0.00	0.0

May 1977 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	78	47	0.00
May 2	74	54	0.00
May 3	65	45	0.05
May 4	66	47	0.10
May 5	80	55	0.39
May 6	82	47	0.00
May 7	70	38	0.00
May 8	76	38	0.00
May 9	62	32	0.00
May 10	71	32	0.00
May 11	77	49	0.00
May 12	81	43	0.00
May 13	86	52	0.00
May 14	89	50	0.00
May 15	85	58	1.19
May 16	89	57	0.00
May 17	87	64	0.00
May 18	90	65	0.00
May 19	90	61	0.00
May 20	90	n/a	0.04
May 21	89	60	0.12
May 22	83	60	0.00
May 23	89	n/a	0.00
May 24	91	59	0.00
May 25	91	57	0.00
May 26	88	59	0.00
May 27	n/a	n/a	0.00
May 28	91	54	0.00
May 29	89	59	0.07
May 30	82	56	0.23
May 31	79	54	0.00

June 1977 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	75	49	0.00
June 2	73	50	0.00
June 3	80	40	0.00
June 4	93	55	0.00
June 5	87	63	0.76
June 6	83	56	0.00
June 7	70	41	0.04
June 8	61	45	0.15
June 9	70	41	0.00
June 10	75	47	0.00
June 11	77	55	0.29
June 12	73	54	0.00
June 13	72	52	0.00
June 14	79	48	0.00
June 15	81	49	0.00
June 16	88	55	0.00
June 17	90	61	0.00
June 18	82	63	0.12
June 19	84	56	0.00
June 20	82	56	0.00
June 21	79	51	0.00
June 22	82	55	0.00
June 23	84	57	0.00
June 24	91	59	0.00
June 25	89	60	0.00
June 26	90	55	0.00
June 27	91	60	0.00
June 28	89	68	0.35
June 29	85	55	0.00
June 30	84	60	1.34

July 1977 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	79	n/a	0.00
July 2	85	52	0.00
July 3	88	68	0.26
July 4	97	73	0.00
July 5	93	70	0.00
July 6	97	70	0.00
July 7	n/a	69	0.02
July 8	90	68	0.00
July 9	82	61	0.00
July 10	86	52	0.00
July 11	87	63	0.00
July 12	90	64	0.70
July 13	91	57	0.00
July 14	99	67	0.00
July 15	97	67	0.00
July 16	94	67	0.13
July 17	84	63	0.54
July 18	87	64	0.85
July 19	96	67	0.00
July 20	94	74	0.00
July 21	90	69	0.05
July 22	84	56	0.00
July 23	86	53	0.00
July 24	85	n/a	0.06
July 25	80	66	0.00
July 26	77	52	0.00
July 27	81	49	0.00
July 28	83	53	0.00
July 29	87	69	0.15
July 30	90	58	0.00
July 31	88	61	0.01

August 1977 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	83	52	0.00
August 2	80	57	0.08
August 3	83	57	0.00
August 4	81	61	0.53
August 5	80	64	0.39
August 6	79	59	0.01
August 7	84	67	0.00
August 8	84	63	0.99
August 9	80	63	0.17
August 10	83	63	0.00
August 11	80	58	0.05
August 12	80	50	0.00
August 13	83	57	0.06
August 14	77	56	0.00
August 15	80	52	0.00
August 16	76	64	0.66
August 17	75	56	0.00
August 18	72	50	0.00
August 19	70	51	0.00
August 20	74	57	0.00
August 21	74	60	0.43
August 22	79	49	0.00
August 23	73	55	0.12
August 24	71	50	0.04
August 25	78	44	0.00
August 26	85	61	0.00
August 27	92	74	0.00
August 28	87	65	1.00
August 29	79	56	0.16
August 30	82	53	0.00
August 31	86	68	0.00

September 1977 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	83	68	0.00
September 2	81	61	0.02
September 3	77	58	0.00
September 4	87	57	0.00
September 5	80	63	0.00
September 6	81	54	0.00
September 7	78	63	0.00
September 8	83	53	0.00
September 9	81	65	0.00
September 10	73	49	0.00
September 11	79	45	0.00
September 12	73	55	0.41
September 13	68	57	0.02
September 14	74	48	0.00
September 15	69	53	0.09
September 16	66	56	0.17
September 17	77	58	0.18
September 18	81	61	0.68
September 19	77	58	0.01
September 20	63	47	0.00
September 21	62	51	0.00
September 22	64	53	0.06
September 23	65	52	0.01
September 24	74	61	1.22
September 25	76	54	0.00
September 26	76	50	0.00
September 27	68	50	0.00
September 28	71	47	0.00
September 29	68	51	0.03
September 30	68	53	0.06

October 1977 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	60	49	0.48
October 2	60	41	0.00
October 3	66	38	0.00
October 4	68	36	0.00
October 5	65	52	0.06
October 6	61	37	0.00
October 7	56	35	0.47
October 8	53	41	0.24
October 9	56	40	0.03
October 10	67	35	0.05
October 11	54	31	0.23
October 12	54	34	0.00
October 13	58	27	0.00
October 14	69	32	0.00
October 15	61	41	0.03
October 16	55	29	0.00
October 17	62	30	0.00
October 18	58	41	0.01
October 19	62	42	0.00
October 20	65	33	0.00
October 21	72	44	0.00
October 22	67	45	0.04
October 23	52	42	0.01
October 24	62	41	0.11
October 25	65	54	0.04
October 26	63	45	0.00
October 27	65	44	0.00
October 28	64	39	0.00
October 29	64	37	0.00
October 30	64	37	0.00
October 31	59	44	0.22

November 1977 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	59	54	1.23	0.0
November 2	66	52	0.45	0.0
November 3	67	58	0.02	0.0
November 4	60	40	0.00	0.0
November 5	54	40	0.00	0.0
November 6	56	49	0.00	0.0
November 7	57	52	0.02	0.0
November 8	60	53	0.00	0.0
November 9	62	42	0.06	0.0
November 10	44	30	0.01	0.0
November 11	40	26	0.00	0.0
November 12	36	22	0.00	0.0
November 13	39	21	0.00	0.0
November 14	54	30	0.00	0.0
November 15	53	40	0.00	0.0
November 16	53	32	0.00	0.0
November 17	44	29	0.00	0.0
November 18	44	32	0.00	0.0
November 19	42	28	0.00	0.0
November 20	57	36	0.15	0.0
November 21	43	19	0.00	0.0
November 22	37	18	0.00	0.0
November 23	35	25	0.17	1.7
November 24	34	24	0.00	0.0
November 25	25	11	0.33	4.0
November 26	25	-7	0.00	0.0
November 27	24	7	0.55	5.0
November 28	23	2	0.00	0.0
November 29	35	0	0.00	0.0
November 30	36	7	0.00	0.0

December 1977 Janesville Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	40	25	0.28	3.0
December 2	30	23	0.00	0.0
December 3	27	4	0.00	0.0
December 4	26	5	0.00	0.0
December 5	33	20	0.12	1.2
December 6	28	-5	0.05	1.5
December 7	16	-7	0.00	0.0
December 8	20	6	0.40	5.0
December 9	18	-10	0.03	0.3
December 10	9	-8	0.00	0.0
December 11	14	-10	0.00	0.0
December 12	41	3	0.00	0.0
December 13	39	33	0.00	0.0
December 14	35	32	0.00	0.0
December 15	37	30	0.00	0.0
December 16	45	29	0.00	0.0
December 17	51	39	0.08	0.0
December 18	47	34	0.00	0.0
December 19	37	31	0.00	0.0
December 20	35	22	0.73	5.0
December 21	32	19	0.22	2.0
December 22	32	10	0.00	0.0
December 23	35	22	0.00	0.0
December 24	40	14	0.00	0.0
December 25	22	-2	0.00	0.0
December 26	13	-7	0.00	0.0
December 27	8	-7	0.00	0.0
December 28	28	-2	0.00	0.0
December 29	32	8	0.00	0.0
December 30	28	21	0.00	0.0
December 31	31	21	0.09	1.0

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Weather Station Details

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