Napa Weather in 1930

Historical record of Napa, California weather for the year 1930 based on NOAA data.

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1930 Napa Weather Extremes
Highest temperature	99 °F	July 30
Lowest temperature	23 °F	December 24
Highest daily low	66 °F	March 27
Lowest daily high	43 °F	January 13
Most daily precipitation	1.6 inches	March 5
Total annual precipitation	18.6 inches	-

What was the hottest temperature in Napa in 1930?

The highest temperature recorded in Napa, California in 1930 was 99 °F which happened on July 30.

Highest Temperatures: All-Time By Year

Highest Temperatures in Napa in 1930

Rank	Temperature	Date
1	99 °F	Jul 30
2	96 °F	Oct 6
2	96 °F	Oct 5
4	94 °F	Jul 31
4	94 °F	Jun 30
4	94 °F	Jun 6
4	94 °F	Jun 5
8	93 °F	Jul 14
8	93 °F	Jun 11
10	92 °F	Aug 26
10	92 °F	Jun 29

What was the coldest temperature in Napa in 1930?

The lowest temperature recorded in Napa, California in 1930 was 23 °F which happened on Dec 24.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Napa in 1930

Rank	Temperature	Date
1	23 °F	December 24
2	24 °F	December 28
2	24 °F	December 23
4	26 °F	December 25
4	26 °F	January 10
6	27 °F	January 13
6	27 °F	January 12
8	28 °F	January 8
9	29 °F	January 11
10	30 °F	December 27
10	30 °F	December 21
10	30 °F	December 19
10	30 °F	February 28

January 1930 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	57	33	0.00
January 2	64	31	0.00
January 3	56	33	0.00
January 4	55	47	0.91
January 5	52	39	0.67
January 6	47	34	1.01
January 7	50	31	0.02
January 8	51	28	0.00
January 9	45	36	0.24
January 10	47	26	0.00
January 11	49	29	0.00
January 12	50	27	0.36
January 13	43	27	0.14
January 14	52	32	0.34
January 15	48	42	0.60
January 16	55	44	0.51
January 17	55	50	0.23
January 18	58	45	0.17
January 19	58	40	0.00
January 20	56	49	0.00
January 21	56	42	0.00
January 22	57	39	0.00
January 23	60	37	0.00
January 24	55	44	0.00
January 25	53	35	0.00
January 26	59	35	0.00
January 27	61	35	0.00
January 28	65	41	0.00
January 29	66	40	0.00
January 30	60	45	0.10
January 31	71	41	0.00

February 1930 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	66	36	0.00
February 2	67	47	0.00
February 3	69	35	0.00
February 4	72	41	0.00
February 5	67	44	0.00
February 6	73	45	0.00
February 7	57	46	0.00
February 8	63	43	0.00
February 9	67	38	0.00
February 10	59	38	0.00
February 11	67	39	0.00
February 12	71	38	0.00
February 13	76	40	0.00
February 14	81	46	0.00
February 15	78	50	0.00
February 16	81	43	0.00
February 17	79	43	0.00
February 18	65	43	0.00
February 19	60	48	0.04
February 20	59	47	0.44
February 21	60	41	0.00
February 22	61	48	1.32
February 23	61	38	0.32
February 24	56	33	0.06
February 25	57	42	0.20
February 26	56	32	0.00
February 27	57	31	0.09
February 28	56	30	0.00

March 1930 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	57	31	0.00
March 2	60	43	0.00
March 3	61	43	0.35
March 4	58	46	1.23
March 5	59	50	1.62
March 6	65	43	0.05
March 7	64	37	0.00
March 8	60	40	0.00
March 9	67	36	0.00
March 10	72	43	0.00
March 11	75	40	0.00
March 12	71	40	0.00
March 13	60	42	0.00
March 14	54	44	0.65
March 15	57	35	0.00
March 16	67	35	0.00
March 17	74	36	0.00
March 18	68	38	0.00
March 19	67	37	0.00
March 20	69	46	0.00
March 21	69	39	0.00
March 22	66	39	0.00
March 23	83	40	0.00
March 24	83	42	0.00
March 25	83	43	0.00
March 26	84	50	0.00
March 27	86	66	0.00
March 28	80	45	0.00
March 29	70	46	0.00
March 30	69	42	0.00
March 31	72	39	0.00

April 1930 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	68	38	0.00
April 2	65	38	0.00
April 3	66	38	0.00
April 4	73	37	0.00
April 5	74	37	0.00
April 6	80	46	0.00
April 7	73	46	0.00
April 8	70	39	0.00
April 9	72	36	0.00
April 10	70	37	0.00
April 11	73	37	0.00
April 12	74	44	0.00
April 13	65	52	0.90
April 14	61	57	0.15
April 15	71	38	0.00
April 16	73	40	0.00
April 17	75	40	0.00
April 18	69	51	0.00
April 19	72	51	0.00
April 20	79	44	0.00
April 21	78	44	0.00
April 22	76	46	0.00
April 23	69	46	0.00
April 24	70	43	0.00
April 25	68	40	0.00
April 26	66	50	0.18
April 27	68	n/a	0.01
April 28	72	48	0.00
April 29	74	46	0.12
April 30	74	42	0.00

May 1930 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	75	44	0.00
May 2	70	51	0.00
May 3	61	44	0.00
May 4	62	42	0.53
May 5	68	40	0.00
May 6	68	40	0.00
May 7	65	34	0.00
May 8	70	34	0.00
May 9	66	39	0.00
May 10	66	44	0.00
May 11	69	41	0.00
May 12	66	48	0.00
May 13	69	50	0.00
May 14	71	45	0.00
May 15	69	43	0.00
May 16	70	42	0.00
May 17	75	47	0.00
May 18	78	48	0.00
May 19	78	49	0.00
May 20	72	49	0.00
May 21	74	37	0.00
May 22	88	47	0.00
May 23	85	45	0.00
May 24	70	44	0.00
May 25	75	45	0.00
May 26	72	45	0.00
May 27	68	47	0.00
May 28	70	50	0.01
May 29	66	47	0.00
May 30	73	40	0.00
May 31	73	41	0.00

June 1930 Napa Weather

Day	High (°F)	Low (°F)
June 1	76	42
June 2	78	42
June 3	80	45
June 4	81	46
June 5	94	46
June 6	94	52
June 7	80	51
June 8	88	46
June 9	87	46
June 10	89	48
June 11	93	53
June 12	88	52
June 13	84	49
June 14	78	48
June 15	78	51
June 16	76	51
June 17	73	47
June 18	75	49
June 19	68	55
June 20	77	52
June 21	65	50
June 22	69	47
June 23	72	47
June 24	72	42
June 25	73	44
June 26	77	43
June 27	81	47
June 28	82	45
June 29	92	50
June 30	94	50

July 1930 Napa Weather

Day	High (°F)	Low (°F)
July 1	83	53
July 2	81	52
July 3	83	51
July 4	82	52
July 5	83	51
July 6	81	52
July 7	72	53
July 8	71	50
July 9	73	49
July 10	78	46
July 11	77	43
July 12	78	45
July 13	88	47
July 14	93	47
July 15	70	52
July 16	77	52
July 17	76	47
July 18	78	50
July 19	79	49
July 20	91	51
July 21	73	49
July 22	78	51
July 23	72	53
July 24	76	52
July 25	73	51
July 26	70	47
July 27	73	46
July 28	72	46
July 29	90	47
July 30	99	52
July 31	94	55

August 1930 Napa Weather

Day	High (°F)	Low (°F)
August 1	85	53
August 2	75	49
August 3	74	50
August 4	81	50
August 5	84	47
August 6	82	54
August 7	78	54
August 8	73	51
August 9	77	52
August 10	82	58
August 11	85	58
August 12	83	53
August 13	80	53
August 14	80	55
August 15	81	51
August 16	83	52
August 17	78	52
August 18	84	51
August 19	79	49
August 20	91	47
August 21	89	50
August 22	83	47
August 23	85	46
August 24	88	50
August 25	87	50
August 26	92	53
August 27	77	53
August 28	76	53
August 29	84	56
August 30	77	54
August 31	78	52

September 1930 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	74	52	0.00
September 2	80	52	0.00
September 3	81	46	0.00
September 4	76	46	0.00
September 5	76	49	0.00
September 6	70	52	0.00
September 7	72	52	0.00
September 8	72	52	0.16
September 9	73	50	0.00
September 10	70	50	0.05
September 11	79	46	0.00
September 12	76	47	0.00
September 13	72	55	0.00
September 14	81	51	0.00
September 15	78	51	0.00
September 16	75	55	0.00
September 17	74	59	0.00
September 18	77	49	0.00
September 19	79	49	0.00
September 20	72	49	0.00
September 21	74	58	0.00
September 22	74	58	0.00
September 23	73	48	0.00
September 24	74	55	0.18
September 25	80	44	0.00
September 26	85	44	0.00
September 27	78	48	0.00
September 28	80	42	0.00
September 29	70	42	0.48
September 30	58	47	0.09

October 1930 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	74	53	0.00
October 2	77	45	0.00
October 3	81	51	0.00
October 4	81	48	0.00
October 5	96	52	0.00
October 6	96	64	0.00
October 7	82	54	0.00
October 8	69	45	0.00
October 9	70	40	0.00
October 10	73	40	0.00
October 11	70	42	1.60
October 12	74	41	0.00
October 13	77	43	0.00
October 14	78	48	0.00
October 15	77	42	0.00
October 16	81	42	0.00
October 17	85	43	0.00
October 18	84	41	0.00
October 19	72	44	0.00
October 20	74	45	0.00
October 21	74	42	0.00
October 22	73	48	0.00
October 23	74	43	0.00
October 24	75	48	0.00
October 25	71	38	0.00
October 26	78	36	0.00
October 27	78	38	0.00
October 28	83	42	0.00
October 29	85	46	0.00
October 30	82	40	0.00
October 31	84	41	0.00

November 1930 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	81	42	0.00
November 2	86	41	0.00
November 3	83	40	0.00
November 4	75	35	0.00
November 5	71	35	0.00
November 6	78	36	0.00
November 7	70	36	0.00
November 8	59	45	0.13
November 9	69	48	0.00
November 10	76	41	0.00
November 11	84	50	0.00
November 12	76	42	0.00
November 13	71	48	0.20
November 14	67	32	0.00
November 15	60	39	0.00
November 16	61	49	1.52
November 17	59	43	0.00
November 18	61	32	0.00
November 19	65	35	0.00
November 20	63	32	0.00
November 21	72	59	0.00
November 22	78	41	0.00
November 23	75	36	0.00
November 24	72	35	0.00
November 25	74	39	0.00
November 26	65	39	0.00
November 27	65	48	0.03
November 28	67	39	0.00
November 29	65	42	0.00
November 30	66	38	0.00

December 1930 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	70	49	0.00
December 2	67	40	0.00
December 3	61	35	0.00
December 4	63	43	0.00
December 5	61	35	0.00
December 6	63	41	0.00
December 7	68	33	0.00
December 8	65	32	0.00
December 9	64	36	0.00
December 10	61	37	0.00
December 11	56	44	0.13
December 12	58	43	0.03
December 13	63	39	0.12
December 14	71	32	0.00
December 15	66	32	0.00
December 16	66	35	0.00
December 17	63	37	0.00
December 18	62	38	0.00
December 19	59	30	0.00
December 20	61	41	0.00
December 21	63	30	0.00
December 22	62	31	0.00
December 23	56	24	0.00
December 24	55	23	0.00
December 25	58	26	0.00
December 26	64	35	0.00
December 27	58	30	0.00
December 28	64	24	0.00
December 29	66	32	0.00
December 30	59	35	0.00
December 31	57	41	0.28

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Weather Station Details

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