Napa Weather in 1973

Historical record of Napa, California weather for the year 1973 based on NOAA data.

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1973 Napa Weather Extremes
Highest temperature	106 °F	June 21
Lowest temperature	26 °F	January 7
Highest daily low	70 °F	September 9
Lowest daily high	46 °F	January 8
Most daily precipitation	1.8 inches	November 5
Most daily snow	none	-
Total annual precipitation	37.2 inches	-
Total annual snow	none	-

What was the hottest temperature in Napa in 1973?

The highest temperature recorded in Napa, California in 1973 was 106 °F which happened on June 21.

Highest Temperatures: All-Time By Year

Highest Temperatures in Napa in 1973

Rank	Temperature	Date
1	106 °F	Jun 21
2	105 °F	Jun 20
3	102 °F	Jun 8
4	101 °F	Jun 26
5	100 °F	Jun 27
5	100 °F	Jun 9
7	99 °F	Jul 25
7	99 °F	Jun 25
7	99 °F	Jun 7
10	98 °F	Jul 26
10	98 °F	Jun 6

What was the coldest temperature in Napa in 1973?

The lowest temperature recorded in Napa, California in 1973 was 26 °F which happened 3 different times.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Napa in 1973

Rank	Temperature	Date
1	26 °F	January 7
1	26 °F	January 6
1	26 °F	January 5
4	28 °F	January 3
5	29 °F	January 26
5	29 °F	January 4
7	30 °F	January 2
8	31 °F	January 27
8	31 °F	January 22
10	32 °F	November 4
10	32 °F	March 18
10	32 °F	March 4
10	32 °F	January 20

January 1973 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	65	49	0.00
January 2	57	30	0.00
January 3	54	28	0.00
January 4	55	29	0.00
January 5	54	26	0.00
January 6	50	26	0.00
January 7	49	26	0.00
January 8	46	37	0.88
January 9	55	42	1.35
January 10	56	46	0.07
January 11	56	49	1.76
January 12	57	54	1.61
January 13	62	51	0.02
January 14	59	50	0.00
January 15	58	46	0.24
January 16	61	51	1.80
January 17	56	45	0.13
January 18	58	48	1.47
January 19	56	34	0.00
January 20	55	32	0.00
January 21	55	42	0.22
January 22	56	31	0.00
January 23	55	33	0.00
January 24	51	36	0.00
January 25	55	36	0.17
January 26	54	29	0.00
January 27	54	31	0.00
January 28	62	38	0.00
January 29	58	37	0.50
January 30	56	41	1.04
January 31	59	40	0.11

February 1973 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	60	34	0.00
February 2	59	45	0.00
February 3	57	48	0.28
February 4	61	48	0.15
February 5	58	43	0.00
February 6	57	43	0.75
February 7	64	50	0.52
February 8	63	48	0.00
February 9	60	45	0.35
February 10	54	46	0.91
February 11	60	48	0.13
February 12	56	44	0.30
February 13	57	48	0.16
February 14	59	47	0.54
February 15	68	36	0.00
February 16	64	36	0.00
February 17	62	42	0.00
February 18	62	34	0.00
February 19	70	36	0.00
February 20	68	37	0.00
February 21	69	45	0.00
February 22	64	46	0.00
February 23	63	42	0.00
February 24	62	55	0.10
February 25	64	48	0.02
February 26	61	51	0.62
February 27	60	51	0.77
February 28	64	42	0.01

March 1973 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	60	49	0.00
March 2	65	36	0.00
March 3	60	39	0.59
March 4	57	32	0.03
March 5	59	36	0.00
March 6	58	46	0.50
March 7	58	36	0.00
March 8	64	45	0.16
March 9	67	41	0.00
March 10	62	44	0.04
March 11	63	35	0.00
March 12	68	48	0.00
March 13	63	37	0.00
March 14	65	40	0.00
March 15	69	35	0.00
March 16	63	40	0.00
March 17	56	39	0.00
March 18	60	32	0.00
March 19	56	44	0.40
March 20	54	38	0.45
March 21	55	42	0.37
March 22	62	33	0.00
March 23	72	38	0.00
March 24	66	35	0.00
March 25	62	44	0.00
March 26	64	42	0.00
March 27	67	48	0.00
March 28	66	38	0.00
March 29	68	37	0.00
March 30	56	46	0.53
March 31	62	40	0.03

April 1973 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	66	35	0.00
April 2	69	36	0.00
April 3	75	49	0.00
April 4	84	49	0.00
April 5	75	44	0.00
April 6	70	46	0.00
April 7	80	42	0.00
April 8	78	42	0.00
April 9	74	45	0.00
April 10	81	51	0.00
April 11	74	46	0.00
April 12	67	44	0.00
April 13	63	48	0.11
April 14	67	39	0.00
April 15	66	45	0.00
April 16	62	46	0.00
April 17	68	48	0.00
April 18	67	38	0.00
April 19	69	40	0.00
April 20	70	49	0.00
April 21	79	48	0.00
April 22	79	44	0.00
April 23	75	44	0.00
April 24	80	44	0.00
April 25	82	41	0.00
April 26	77	46	0.00
April 27	70	45	0.00
April 28	64	47	0.00
April 29	68	48	0.00
April 30	75	40	0.00

May 1973 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	73	48	0.00
May 2	70	45	0.00
May 3	70	47	0.00
May 4	66	48	0.00
May 5	71	40	0.00
May 6	70	45	0.00
May 7	72	44	0.00
May 8	79	41	0.00
May 9	77	44	0.00
May 10	88	48	0.00
May 11	86	48	0.00
May 12	80	53	0.00
May 13	77	51	0.00
May 14	77	54	0.00
May 15	72	50	0.00
May 16	83	51	0.00
May 17	88	53	0.00
May 18	88	52	0.00
May 19	71	51	0.00
May 20	71	47	0.00
May 21	70	49	0.00
May 22	68	49	0.00
May 23	72	50	0.00
May 24	69	55	0.02
May 25	70	49	0.00
May 26	71	45	0.00
May 27	87	46	0.00
May 28	96	55	0.00
May 29	95	58	0.00
May 30	84	60	0.00
May 31	72	52	0.00

June 1973 Napa Weather

Day	High (°F)	Low (°F)
June 1	73	55
June 2	73	49
June 3	74	52
June 4	77	50
June 5	87	50
June 6	98	52
June 7	99	56
June 8	102	60
June 9	100	64
June 10	82	53
June 11	68	50
June 12	76	48
June 13	75	53
June 14	75	46
June 15	75	45
June 16	73	52
June 17	74	45
June 18	89	49
June 19	96	54
June 20	105	56
June 21	106	59
June 22	96	54
June 23	78	53
June 24	81	55
June 25	99	56
June 26	101	63
June 27	100	62
June 28	88	58
June 29	79	53
June 30	74	49

July 1973 Napa Weather

Day	High (°F)	Low (°F)
July 1	86	53
July 2	85	53
July 3	82	54
July 4	97	54
July 5	94	59
July 6	80	50
July 7	79	54
July 8	83	51
July 9	90	54
July 10	87	54
July 11	80	55
July 12	76	53
July 13	73	54
July 14	76	53
July 15	76	57
July 16	72	57
July 17	73	55
July 18	73	53
July 19	73	54
July 20	74	54
July 21	75	49
July 22	84	53
July 23	81	48
July 24	89	51
July 25	99	55
July 26	98	58
July 27	84	56
July 28	77	54
July 29	79	53
July 30	79	53
July 31	86	53

August 1973 Napa Weather

Day	High (°F)	Low (°F)
August 1	84	50
August 2	80	49
August 3	81	50
August 4	80	51
August 5	78	51
August 6	73	56
August 7	75	56
August 8	75	53
August 9	76	53
August 10	86	54
August 11	84	54
August 12	83	54
August 13	90	53
August 14	88	51
August 15	85	50
August 16	83	48
August 17	81	52
August 18	77	50
August 19	77	48
August 20	82	50
August 21	80	51
August 22	76	45
August 23	75	45
August 24	81	49
August 25	78	53
August 26	73	57
August 27	72	53
August 28	89	50
August 29	87	57
August 30	75	53
August 31	70	53

September 1973 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	86	49	0.00
September 2	80	48	0.00
September 3	80	47	0.00
September 4	74	50	0.00
September 5	72	57	0.00
September 6	89	49	0.00
September 7	86	52	0.00
September 8	96	59	0.00
September 9	95	70	0.00
September 10	76	55	0.00
September 11	78	57	0.00
September 12	75	52	0.00
September 13	71	59	0.00
September 14	74	49	0.00
September 15	73	53	0.00
September 16	73	52	0.00
September 17	74	48	0.00
September 18	79	51	0.00
September 19	74	57	0.00
September 20	78	61	0.14
September 21	79	49	0.00
September 22	74	53	0.21
September 23	78	56	0.02
September 24	74	56	0.04
September 25	88	53	0.00
September 26	90	59	0.00
September 27	96	54	0.00
September 28	94	54	0.00
September 29	91	58	0.00
September 30	78	50	0.00

October 1973 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	68	48	0.00
October 2	72	41	0.00
October 3	82	43	0.00
October 4	86	43	0.00
October 5	83	44	0.00
October 6	78	52	0.00
October 7	65	55	0.50
October 8	62	45	0.11
October 9	76	51	0.00
October 10	78	43	0.00
October 11	76	44	0.00
October 12	82	47	0.00
October 13	85	50	0.00
October 14	84	51	0.00
October 15	81	52	0.00
October 16	85	45	0.00
October 17	88	51	0.00
October 18	80	49	0.00
October 19	74	50	0.00
October 20	71	56	0.02
October 21	70	59	0.24
October 22	66	59	0.42
October 23	66	41	0.35
October 24	71	51	0.00
October 25	71	51	0.00
October 26	74	41	0.00
October 27	78	44	0.00
October 28	81	46	0.00
October 29	81	54	0.00
October 30	84	56	0.00
October 31	80	48	0.00

November 1973 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	73	49	0.00
November 2	67	42	0.00
November 3	62	33	0.00
November 4	60	32	0.00
November 5	64	45	1.83
November 6	63	50	1.31
November 7	62	59	0.42
November 8	66	56	0.00
November 9	62	50	0.71
November 10	64	58	0.81
November 11	64	57	0.63
November 12	63	53	0.82
November 13	59	51	0.30
November 14	61	43	0.20
November 15	58	49	0.05
November 16	61	54	0.79
November 17	60	47	1.03
November 18	59	45	0.04
November 19	61	37	0.00
November 20	59	37	0.32
November 21	58	35	0.00
November 22	50	39	0.16
November 23	58	35	0.00
November 24	60	43	0.08
November 25	58	44	0.03
November 26	58	34	0.00
November 27	58	48	0.00
November 28	65	46	0.00
November 29	60	46	0.00
November 30	59	51	0.98

December 1973 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	55	46	0.87
December 2	57	34	0.02
December 3	59	36	0.00
December 4	53	34	0.00
December 5	58	42	0.00
December 6	56	45	0.00
December 7	56	41	0.02
December 8	57	48	0.00
December 9	57	41	0.00
December 10	53	40	0.00
December 11	61	40	0.42
December 12	55	43	0.00
December 13	58	47	0.25
December 14	55	43	0.01
December 15	56	37	0.00
December 16	57	40	0.00
December 17	62	52	0.19
December 18	61	38	0.00
December 19	59	40	0.00
December 20	52	38	0.00
December 21	56	47	0.86
December 22	55	40	0.17
December 23	55	38	0.02
December 24	60	39	0.00
December 25	55	48	0.00
December 26	52	49	0.34
December 27	56	50	0.85
December 28	61	53	0.07
December 29	61	53	0.29
December 30	59	36	0.00
December 31	54	39	0.02

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Weather Station Details

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