Napa Weather in 1990

Historical record of Napa, California weather for the year 1990 based on NOAA data.

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1990 Napa Weather Extremes
Highest temperature	101 °F	June 9
Lowest temperature	14 °F	December 22
Highest daily low	65 °F	August 9
Lowest daily high	38 °F	December 21
Most daily precipitation	1.3 inches	February 17
Most daily snow	none	-
Total annual precipitation	14.2 inches	-
Total annual snow	none	-

What was the hottest temperature in Napa in 1990?

The highest temperature recorded in Napa, California in 1990 was 101 °F which happened on June 9.

Highest Temperatures: All-Time By Year

Highest Temperatures in Napa in 1990

Rank	Temperature	Date
1	101 °F	Jun 9
2	100 °F	Jul 11
3	99 °F	Jun 21
4	98 °F	Sep 21
5	97 °F	Aug 6
5	97 °F	Jul 12
7	96 °F	Jul 13
7	96 °F	Jun 20
9	94 °F	Oct 4
9	94 °F	Aug 9

What was the coldest temperature in Napa in 1990?

The lowest temperature recorded in Napa, California in 1990 was 14 °F which happened on Dec 22.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Napa in 1990

Rank	Temperature	Date
1	14 °F	December 22
2	17 °F	December 23
3	21 °F	December 24
4	22 °F	December 30
5	23 °F	December 21
5	23 °F	December 20
7	24 °F	December 31
7	24 °F	December 26
7	24 °F	December 25
10	25 °F	December 28

January 1990 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	52	34	0.00
January 2	50	33	0.37
January 3	57	29	0.00
January 4	55	28	0.00
January 5	54	29	0.00
January 6	55	36	0.00
January 7	54	42	0.19
January 8	55	50	0.71
January 9	58	53	0.03
January 10	63	47	0.00
January 11	62	40	0.00
January 12	61	42	0.06
January 13	59	49	0.98
January 14	55	48	1.15
January 15	54	38	0.00
January 16	56	41	0.27
January 17	56	33	0.00
January 18	57	33	0.00
January 19	58	32	0.00
January 20	48	30	0.00
January 21	47	30	0.00
January 22	57	33	0.00
January 23	57	33	0.00
January 24	60	36	0.00
January 25	59	35	0.00
January 26	53	37	0.00
January 27	58	37	0.00
January 28	57	30	0.00
January 29	60	36	0.00
January 30	58	43	0.21
January 31	54	32	0.08

February 1990 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	51	33	0.33
February 2	56	33	0.00
February 3	58	33	0.00
February 4	54	33	0.96
February 5	56	32	0.00
February 6	57	41	0.10
February 7	54	28	0.01
February 8	55	29	0.00
February 9	55	38	0.00
February 10	59	40	0.00
February 11	63	36	0.00
February 12	59	38	0.00
February 13	58	31	0.00
February 14	51	33	0.00
February 15	52	26	0.00
February 16	52	30	0.51
February 17	50	34	1.29
February 18	47	28	0.30
February 19	52	29	0.00
February 20	58	31	0.00
February 21	52	38	0.00
February 22	65	40	0.00
February 23	69	42	0.00
February 24	72	44	0.00
February 25	72	44	0.00
February 26	71	45	0.00
February 27	62	46	0.00
February 28	63	46	0.00

March 1990 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	60	46	0.00
March 2	56	48	0.16
March 3	55	50	0.43
March 4	65	45	0.00
March 5	53	37	0.31
March 6	64	38	0.00
March 7	69	42	0.00
March 8	58	42	0.00
March 9	61	35	0.00
March 10	62	40	0.13
March 11	57	33	0.06
March 12	48	32	0.00
March 13	57	33	0.09
March 14	61	38	0.00
March 15	56	41	0.00
March 16	69	47	0.00
March 17	71	45	0.00
March 18	69	46	0.00
March 19	70	41	0.00
March 20	68	42	0.00
March 21	75	45	0.00
March 22	77	46	0.00
March 23	69	50	0.00
March 24	74	44	0.00
March 25	71	44	0.00
March 26	61	42	0.00
March 27	72	42	0.00
March 28	71	49	0.00
March 29	69	44	0.00
March 30	68	47	0.00
March 31	68	46	0.00

April 1990 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	65	44	0.00
April 2	69	40	0.00
April 3	74	42	0.00
April 4	80	51	0.00
April 5	71	48	0.00
April 6	66	52	0.00
April 7	64	50	0.00
April 8	60	51	0.00
April 9	62	42	0.00
April 10	77	45	0.00
April 11	78	45	0.00
April 12	77	47	0.00
April 13	83	48	0.00
April 14	88	51	0.00
April 15	70	55	0.00
April 16	66	54	0.00
April 17	64	53	0.00
April 18	67	51	0.00
April 19	69	50	0.00
April 20	65	53	0.02
April 21	70	52	0.00
April 22	70	48	0.00
April 23	64	52	0.32
April 24	68	43	0.00
April 25	74	48	0.00
April 26	82	52	0.00
April 27	83	49	0.00
April 28	85	52	0.00
April 29	76	44	0.00
April 30	72	52	0.00

May 1990 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	80	50	0.00
May 2	86	50	0.00
May 3	91	65	0.00
May 4	92	51	0.00
May 5	91	54	0.00
May 6	85	49	0.00
May 7	74	46	0.00
May 8	84	47	0.00
May 9	76	47	0.00
May 10	66	50	0.00
May 11	66	46	0.00
May 12	72	47	0.00
May 13	72	47	0.00
May 14	79	50	0.00
May 15	74	47	0.00
May 16	73	50	0.00
May 17	73	46	0.00
May 18	68	48	0.00
May 19	67	47	0.00
May 20	64	51	0.53
May 21	67	53	0.00
May 22	71	57	0.09
May 23	68	53	0.29
May 24	69	42	0.00
May 25	73	44	0.00
May 26	70	51	0.03
May 27	71	54	0.83
May 28	61	53	1.18
May 29	69	47	0.00
May 30	70	53	0.00
May 31	62	49	0.32

June 1990 Napa Weather

Day	High (°F)	Low (°F)
June 1	67	43
June 2	74	46
June 3	79	52
June 4	79	49
June 5	79	49
June 6	84	57
June 7	76	52
June 8	87	57
June 9	101	60
June 10	90	56
June 11	77	49
June 12	81	49
June 13	82	52
June 14	75	55
June 15	69	55
June 16	72	53
June 17	71	51
June 18	74	53
June 19	77	53
June 20	96	59
June 21	99	60
June 22	78	58
June 23	75	55
June 24	77	54
June 25	78	52
June 26	83	50
June 27	82	53
June 28	83	53
June 29	86	56
June 30	85	55

July 1990 Napa Weather

Day	High (°F)	Low (°F)
July 1	89	54
July 2	81	55
July 3	83	54
July 4	80	51
July 5	80	50
July 6	81	56
July 7	83	55
July 8	81	58
July 9	74	56
July 10	85	56
July 11	100	60
July 12	97	64
July 13	96	63
July 14	87	59
July 15	76	55
July 16	79	57
July 17	80	58
July 18	85	57
July 19	87	58
July 20	85	56
July 21	86	56
July 22	82	55
July 23	82	55
July 24	72	51
July 25	76	52
July 26	74	56
July 27	81	53
July 28	80	55
July 29	80	55
July 30	76	54
July 31	79	55

August 1990 Napa Weather

Day	High (°F)	Low (°F)
August 1	75	55
August 2	75	55
August 3	74	57
August 4	78	56
August 5	82	54
August 6	97	57
August 7	93	64
August 8	83	64
August 9	94	65
August 10	85	57
August 11	88	55
August 12	85	54
August 13	85	56
August 14	80	58
August 15	73	55
August 16	76	55
August 17	79	55
August 18	80	61
August 19	78	53
August 20	79	57
August 21	77	59
August 22	80	56
August 23	90	59
August 24	80	55
August 25	74	54
August 26	74	55
August 27	74	57
August 28	82	57
August 29	89	59
August 30	84	59
August 31	82	54

September 1990 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	80	54	0.00
September 2	80	60	0.00
September 3	84	53	0.00
September 4	81	51	0.00
September 5	82	51	0.00
September 6	86	51	0.00
September 7	83	51	0.00
September 8	85	48	0.00
September 9	86	51	0.00
September 10	93	53	0.00
September 11	78	55	0.00
September 12	81	52	0.00
September 13	86	50	0.00
September 14	78	51	0.00
September 15	79	50	0.00
September 16	84	52	0.00
September 17	81	55	0.00
September 18	79	58	0.00
September 19	75	55	0.00
September 20	82	53	0.00
September 21	98	57	0.00
September 22	79	61	0.00
September 23	81	56	0.36
September 24	81	57	0.00
September 25	76	58	0.00
September 26	74	53	0.00
September 27	78	53	0.00
September 28	80	55	0.00
September 29	79	56	0.00
September 30	92	55	0.00

October 1990 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	88	53	0.00
October 2	71	50	0.00
October 3	80	52	0.00
October 4	94	52	0.00
October 5	81	57	0.00
October 6	81	48	0.00
October 7	78	46	0.00
October 8	81	52	0.00
October 9	85	44	0.00
October 10	87	46	0.00
October 11	85	46	0.00
October 12	85	47	0.00
October 13	85	50	0.00
October 14	77	47	0.00
October 15	76	46	0.00
October 16	76	47	0.00
October 17	80	43	0.00
October 18	81	44	0.00
October 19	67	44	0.05
October 20	74	43	0.00
October 21	76	43	0.00
October 22	79	44	0.00
October 23	80	46	0.00
October 24	80	47	0.00
October 25	84	47	0.00
October 26	74	46	0.00
October 27	80	44	0.00
October 28	79	45	0.00
October 29	77	44	0.00
October 30	73	44	0.00
October 31	69	53	0.18

November 1990 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	69	38	0.00
November 2	68	45	0.00
November 3	69	49	0.00
November 4	75	42	0.00
November 5	74	45	0.00
November 6	73	55	0.00
November 7	67	42	0.00
November 8	70	43	0.00
November 9	76	42	0.00
November 10	74	41	0.00
November 11	76	42	0.00
November 12	78	43	0.00
November 13	78	42	0.00
November 14	68	44	0.05
November 15	58	36	0.06
November 16	65	40	0.00
November 17	60	38	0.00
November 18	63	40	0.00
November 19	65	44	0.00
November 20	60	36	0.03
November 21	57	43	0.09
November 22	n/a	n/a	n/a
November 23	n/a	n/a	n/a
November 24	n/a	n/a	n/a
November 25	n/a	n/a	n/a
November 26	n/a	n/a	n/a
November 27	58	29	n/a
November 28	59	31	0.00
November 29	58	35	0.00
November 30	60	36	0.00

December 1990 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	62	31	0.00
December 2	60	30	0.00
December 3	59	30	0.00
December 4	62	31	0.00
December 5	62	36	0.00
December 6	65	32	0.00
December 7	63	36	0.00
December 8	67	33	0.00
December 9	65	35	0.00
December 10	58	42	0.36
December 11	56	42	0.18
December 12	55	37	0.00
December 13	57	34	0.00
December 14	54	30	0.00
December 15	50	37	0.39
December 16	54	36	0.06
December 17	57	33	0.00
December 18	58	32	0.00
December 19	52	40	0.00
December 20	43	23	0.00
December 21	38	23	0.00
December 22	39	14	0.00
December 23	43	17	0.00
December 24	48	21	0.00
December 25	50	24	0.00
December 26	54	24	0.00
December 27	54	26	0.00
December 28	54	25	0.00
December 29	51	27	0.00
December 30	50	22	0.00
December 31	55	24	0.00

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Weather Station Details

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