Napa Weather in 1977

Historical record of Napa, California weather for the year 1977 based on NOAA data.

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1977 Napa Weather Extremes
Highest temperature	103 °F	July 30
Lowest temperature	27 °F	November 19
Highest daily low	61 °F	September 28
Lowest daily high	49 °F	January 13
Most daily precipitation	5.9 inches	November 21
Most daily snow	none	-
Total annual precipitation	22.5 inches	-
Total annual snow	none	-

What was the hottest temperature in Napa in 1977?

The highest temperature recorded in Napa, California in 1977 was 103 °F which happened on July 30.

Highest Temperatures: All-Time By Year

Highest Temperatures in Napa in 1977

Rank	Temperature	Date
1	103 °F	Jul 30
2	102 °F	Jul 29
3	99 °F	Aug 30
3	99 °F	Aug 29
5	98 °F	Aug 28
5	98 °F	Jun 21
7	96 °F	Jun 22
8	95 °F	Sep 8
8	95 °F	Aug 1
8	95 °F	Jul 31
8	95 °F	Jun 23
8	95 °F	Jun 5

What was the coldest temperature in Napa in 1977?

The lowest temperature recorded in Napa, California in 1977 was 27 °F which happened on Nov 19.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Napa in 1977

Rank	Temperature	Date
1	27 °F	November 19
2	28 °F	January 9
3	30 °F	March 14
3	30 °F	January 8
3	30 °F	January 7
6	31 °F	December 11
6	31 °F	November 20
6	31 °F	March 15
6	31 °F	January 18
6	31 °F	January 17
6	31 °F	January 15

January 1977 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	53	38	0.10
January 2	57	47	1.12
January 3	59	40	0.12
January 4	57	37	0.00
January 5	55	36	0.00
January 6	60	40	0.00
January 7	57	30	0.00
January 8	58	30	0.00
January 9	55	28	0.00
January 10	58	32	0.00
January 11	53	33	0.00
January 12	51	40	0.41
January 13	49	33	0.00
January 14	51	38	0.00
January 15	52	31	0.00
January 16	52	36	0.00
January 17	55	31	0.00
January 18	54	31	0.00
January 19	55	32	0.00
January 20	55	37	0.00
January 21	58	45	0.00
January 22	69	42	0.00
January 23	66	38	0.00
January 24	68	38	0.00
January 25	63	34	0.00
January 26	62	34	0.00
January 27	60	35	0.00
January 28	55	34	0.00
January 29	53	33	0.00
January 30	53	32	0.00
January 31	56	37	0.00

February 1977 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	61	35	0.00
February 2	57	37	0.00
February 3	62	36	0.00
February 4	63	34	0.00
February 5	61	38	0.00
February 6	63	39	0.00
February 7	67	38	0.00
February 8	61	49	0.51
February 9	63	38	0.00
February 10	67	40	0.00
February 11	69	40	0.00
February 12	70	44	0.00
February 13	73	41	0.00
February 14	76	41	0.00
February 15	79	44	0.00
February 16	75	45	0.00
February 17	73	42	0.00
February 18	80	40	0.00
February 19	74	43	0.00
February 20	61	45	0.19
February 21	58	45	0.41
February 22	61	37	0.15
February 23	61	46	0.21
February 24	64	36	0.03
February 25	65	34	0.00
February 26	68	n/a	0.00
February 27	67	37	0.00
February 28	64	42	0.00

March 1977 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	64	33	0.00
March 2	66	34	0.00
March 3	65	42	0.00
March 4	70	46	0.00
March 5	72	36	0.00
March 6	67	35	0.00
March 7	66	44	0.00
March 8	67	41	0.00
March 9	61	38	0.20
March 10	65	32	0.00
March 11	69	32	0.00
March 12	59	46	0.00
March 13	58	35	0.00
March 14	59	30	0.00
March 15	54	31	0.94
March 16	53	38	0.77
March 17	59	37	0.00
March 18	66	36	0.00
March 19	67	38	0.00
March 20	71	39	0.00
March 21	74	40	0.00
March 22	71	40	0.00
March 23	60	46	0.14
March 24	56	47	0.27
March 25	69	34	0.00
March 26	79	49	0.00
March 27	71	40	0.00
March 28	70	39	0.00
March 29	65	39	0.00
March 30	67	35	0.26
March 31	67	34	0.00

April 1977 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	68	39	0.00
April 2	73	45	0.00
April 3	79	45	0.00
April 4	73	42	0.00
April 5	70	45	0.00
April 6	79	44	0.00
April 7	75	45	0.00
April 8	60	49	0.29
April 9	67	37	0.00
April 10	72	44	0.00
April 11	78	41	0.00
April 12	84	41	0.00
April 13	78	48	0.00
April 14	76	44	0.00
April 15	79	42	0.00
April 16	77	43	0.00
April 17	86	46	0.00
April 18	83	40	0.00
April 19	83	45	0.00
April 20	86	42	0.00
April 21	84	35	0.00
April 22	77	40	0.00
April 23	84	41	0.00
April 24	77	47	0.00
April 25	70	52	0.19
April 26	74	43	0.00
April 27	70	45	0.00
April 28	70	41	0.00
April 29	70	56	0.00
April 30	72	52	0.00

May 1977 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	65	52	0.60
May 2	71	46	0.01
May 3	69	48	0.04
May 4	74	41	0.00
May 5	66	38	0.00
May 6	63	47	0.00
May 7	62	38	0.01
May 8	70	46	0.07
May 9	61	50	0.20
May 10	60	49	0.00
May 11	61	46	0.00
May 12	60	50	0.06
May 13	72	41	0.00
May 14	71	43	0.00
May 15	73	41	0.00
May 16	69	40	0.00
May 17	69	39	0.00
May 18	69	40	0.05
May 19	77	49	0.11
May 20	74	51	0.00
May 21	73	51	0.00
May 22	74	46	0.00
May 23	69	45	0.00
May 24	71	41	0.00
May 25	69	40	0.00
May 26	67	47	0.06
May 27	73	40	0.00
May 28	78	41	0.00
May 29	78	42	0.00
May 30	87	47	0.00
May 31	86	53	0.00

June 1977 Napa Weather

Day	High (°F)	Low (°F)
June 1	85	54
June 2	78	46
June 3	82	49
June 4	89	49
June 5	95	50
June 6	90	47
June 7	89	51
June 8	81	56
June 9	69	51
June 10	64	47
June 11	72	48
June 12	69	52
June 13	69	50
June 14	70	51
June 15	71	50
June 16	71	48
June 17	71	52
June 18	70	48
June 19	70	51
June 20	87	51
June 21	98	53
June 22	96	56
June 23	95	54
June 24	86	47
June 25	82	52
June 26	73	54
June 27	79	51
June 28	81	54
June 29	77	52
June 30	83	57

July 1977 Napa Weather

Day	High (°F)	Low (°F)
July 1	83	53
July 2	74	55
July 3	77	49
July 4	76	50
July 5	80	47
July 6	84	49
July 7	84	55
July 8	80	55
July 9	81	49
July 10	82	53
July 11	81	52
July 12	80	54
July 13	79	47
July 14	78	51
July 15	87	49
July 16	n/a	54
July 17	n/a	54
July 18	n/a	54
July 19	n/a	52
July 20	n/a	54
July 21	82	55
July 22	81	51
July 23	80	54
July 24	76	53
July 25	78	54
July 26	94	50
July 27	89	52
July 28	86	52
July 29	102	54
July 30	103	60
July 31	95	59

August 1977 Napa Weather

Day	High (°F)	Low (°F)
August 1	95	50
August 2	82	55
August 3	82	50
August 4	84	51
August 5	81	54
August 6	73	54
August 7	76	52
August 8	78	51
August 9	78	52
August 10	77	54
August 11	78	52
August 12	77	52
August 13	80	51
August 14	80	48
August 15	79	53
August 16	87	53
August 17	78	53
August 18	82	52
August 19	79	52
August 20	76	54
August 21	79	53
August 22	87	51
August 23	86	52
August 24	79	58
August 25	79	52
August 26	82	53
August 27	80	55
August 28	98	49
August 29	99	60
August 30	99	59
August 31	86	55

September 1977 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	73	49	0.00
September 2	75	53	0.00
September 3	84	53	0.00
September 4	90	58	0.00
September 5	93	59	0.00
September 6	94	60	0.00
September 7	93	55	0.00
September 8	95	53	0.00
September 9	94	56	0.00
September 10	70	52	0.00
September 11	71	51	0.00
September 12	74	50	0.00
September 13	73	51	0.00
September 14	69	55	0.00
September 15	69	51	0.00
September 16	64	55	0.02
September 17	71	56	0.11
September 18	76	55	0.00
September 19	73	58	0.51
September 20	78	54	0.00
September 21	83	51	0.00
September 22	82	49	0.00
September 23	79	49	0.00
September 24	76	58	0.00
September 25	81	48	0.00
September 26	76	50	0.00
September 27	75	61	0.00
September 28	71	61	0.07
September 29	69	58	0.01
September 30	79	47	0.00

October 1977 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	77	41	0.00
October 2	87	47	0.00
October 3	88	49	0.00
October 4	84	49	0.00
October 5	70	50	0.00
October 6	76	47	0.00
October 7	82	46	0.00
October 8	81	42	0.00
October 9	76	45	0.00
October 10	85	48	0.00
October 11	88	49	0.00
October 12	90	49	0.00
October 13	91	50	0.00
October 14	86	48	0.00
October 15	83	49	0.00
October 16	78	48	0.00
October 17	71	47	0.00
October 18	68	49	0.00
October 19	63	46	0.00
October 20	69	52	0.00
October 21	72	42	0.00
October 22	78	42	0.00
October 23	76	48	0.00
October 24	78	59	0.00
October 25	80	57	0.00
October 26	77	53	0.00
October 27	65	49	0.00
October 28	67	51	0.00
October 29	65	52	0.43
October 30	71	43	0.06
October 31	69	43	0.00

November 1977 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	72	43	0.00
November 2	75	44	0.00
November 3	63	43	0.00
November 4	65	37	0.00
November 5	64	42	0.65
November 6	71	43	0.00
November 7	75	47	0.00
November 8	77	44	0.00
November 9	72	37	0.00
November 10	72	42	0.00
November 11	66	48	0.00
November 12	68	48	0.00
November 13	72	40	0.00
November 14	70	41	0.00
November 15	74	42	0.00
November 16	75	44	0.00
November 17	74	46	0.00
November 18	66	39	0.00
November 19	56	27	0.00
November 20	52	31	0.00
November 21	55	41	5.85
November 22	64	41	1.40
November 23	67	48	0.00
November 24	67	45	0.00
November 25	69	41	0.00
November 26	70	46	0.00
November 27	68	51	0.00
November 28	70	41	0.00
November 29	72	45	0.00
November 30	76	47	0.00

December 1977 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	68	44	0.00
December 2	66	43	0.00
December 3	63	49	0.00
December 4	67	44	0.00
December 5	63	49	0.00
December 6	64	45	0.00
December 7	60	47	0.00
December 8	61	44	0.00
December 9	62	34	0.00
December 10	62	36	0.00
December 11	56	31	0.31
December 12	65	49	0.01
December 13	63	46	0.00
December 14	65	49	0.35
December 15	60	50	1.85
December 16	54	42	0.05
December 17	56	48	0.98
December 18	57	36	0.00
December 19	56	33	0.00
December 20	55	40	0.00
December 21	55	49	0.09
December 22	60	50	0.59
December 23	64	51	0.86
December 24	60	41	0.00
December 25	59	47	0.00
December 26	55	49	0.15
December 27	60	48	0.23
December 28	58	53	0.26
December 29	58	53	0.04
December 30	58	45	0.12
December 31	61	38	0.02

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Weather Station Details

Years	Station	Coordinates
1999–2024	Napa County Airport	location
1901–1998	Napa State Hospital	location