Napa Weather in 2003

Historical record of Napa, California weather for the year 2003 based on NOAA data.

Jump to Month:

Year:

2003 Napa Weather Extremes
Highest temperature	102 °F	September 21
Lowest temperature	23 °F	November 23
Highest daily low	60 °F	July 21
Lowest daily high	47 °F	January 20
Most daily precipitation	1.5 inches	December 29
Total annual precipitation	17.0 inches	-

What was the hottest temperature in Napa in 2003?

The highest temperature recorded in Napa, California in 2003 was 102 °F which happened on September 21.

Highest Temperatures: All-Time By Year

Highest Temperatures in Napa in 2003

Rank	Temperature	Date
1	102 °F	Sep 21
2	101 °F	Jun 27
2	101 °F	Jun 26
4	100 °F	Sep 13
5	99 °F	Sep 22
5	99 °F	Sep 12
5	99 °F	Jul 17
8	98 °F	Aug 25
9	96 °F	Jun 25
10	95 °F	Sep 11
10	95 °F	Aug 24

What was the coldest temperature in Napa in 2003?

The lowest temperature recorded in Napa, California in 2003 was 23 °F which happened 2 different times.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Napa in 2003

Rank	Temperature	Date
1	23 °F	November 23
1	23 °F	February 8
3	25 °F	November 25
4	26 °F	December 26
4	26 °F	November 27
4	26 °F	November 22
4	26 °F	February 9
8	27 °F	December 27
8	27 °F	November 21
10	28 °F	November 24
10	28 °F	February 6

January 2003 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	56	35	0.00
January 2	56	39	0.00
January 3	60	34	0.00
January 4	60	39	0.00
January 5	66	41	0.01
January 6	66	41	0.00
January 7	59	41	0.00
January 8	48	38	0.00
January 9	49	39	0.60
January 10	58	48	0.61
January 11	56	49	0.02
January 12	58	49	0.16
January 13	59	50	0.00
January 14	61	48	0.00
January 15	61	43	0.00
January 16	60	38	0.00
January 17	52	37	0.00
January 18	53	43	0.00
January 19	49	42	0.00
January 20	47	41	0.04
January 21	50	44	0.16
January 22	56	48	0.51
January 23	60	53	0.04
January 24	58	50	0.00
January 25	65	50	0.00
January 26	61	51	0.00
January 27	64	44	0.00
January 28	63	40	0.00
January 29	62	37	0.00
January 30	59	42	0.00
January 31	54	44	0.00

February 2003 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	61	37	0.00
February 2	64	33	0.00
February 3	63	30	0.00
February 4	66	30	0.00
February 5	63	32	0.00
February 6	62	28	0.00
February 7	61	29	0.00
February 8	58	23	0.00
February 9	61	26	0.00
February 10	62	29	0.00
February 11	59	35	0.00
February 12	55	37	0.48
February 13	59	51	0.22
February 14	59	42	0.00
February 15	58	45	1.02
February 16	59	41	0.17
February 17	57	36	0.00
February 18	61	31	0.00
February 19	58	38	0.09
February 20	67	34	0.00
February 21	65	34	0.00
February 22	65	36	0.00
February 23	61	34	0.00
February 24	59	44	0.02
February 25	63	42	0.00
February 26	53	36	0.11
February 27	57	33	0.00
February 28	60	32	0.00

March 2003 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	61	33	0.00
March 2	63	32	0.00
March 3	58	42	0.00
March 4	60	37	0.00
March 5	62	33	0.00
March 6	65	35	0.00
March 7	61	30	0.00
March 8	63	32	0.00
March 9	63	34	0.00
March 10	67	40	0.00
March 11	69	51	0.00
March 12	68	53	0.00
March 13	64	53	0.04
March 14	66	56	0.55
March 15	62	43	0.57
March 16	62	41	0.05
March 17	65	38	0.00
March 18	66	37	0.00
March 19	63	34	0.09
March 20	64	43	0.00
March 21	66	38	0.00
March 22	60	50	0.05
March 23	64	42	0.03
March 24	65	36	0.00
March 25	67	38	0.00
March 26	64	46	0.02
March 27	71	35	0.00
March 28	74	42	0.00
March 29	76	38	0.00
March 30	78	42	0.00
March 31	71	45	0.00

April 2003 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	61	44	0.00
April 2	55	38	0.07
April 3	57	32	0.01
April 4	58	36	0.35
April 5	60	31	0.00
April 6	62	41	0.00
April 7	67	34	0.00
April 8	73	38	0.00
April 9	71	34	0.00
April 10	63	41	0.01
April 11	65	38	0.00
April 12	55	50	0.75
April 13	59	38	0.19
April 14	61	39	0.00
April 15	59	33	0.00
April 16	60	45	0.03
April 17	64	46	0.00
April 18	65	37	0.00
April 19	69	37	0.00
April 20	63	42	0.00
April 21	59	45	0.02
April 22	63	37	0.00
April 23	60	40	0.00
April 24	58	41	0.47
April 25	58	41	0.15
April 26	62	37	0.00
April 27	63	35	0.31
April 28	60	48	0.08
April 29	61	41	0.05
April 30	65	34	0.00

May 2003 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	68	41	0.00
May 2	62	51	0.54
May 3	67	52	0.57
May 4	65	47	0.00
May 5	66	37	0.00
May 6	63	38	0.01
May 7	66	40	0.00
May 8	61	40	0.01
May 9	64	33	0.00
May 10	68	36	0.00
May 11	69	39	0.00
May 12	76	38	0.00
May 13	71	45	0.00
May 14	66	51	0.00
May 15	68	46	0.00
May 16	74	38	0.00
May 17	74	42	0.00
May 18	74	42	0.00
May 19	82	40	0.00
May 20	85	44	0.00
May 21	83	50	0.00
May 22	74	50	0.00
May 23	75	49	0.00
May 24	70	51	0.00
May 25	73	53	0.00
May 26	74	46	0.00
May 27	87	45	0.00
May 28	92	47	0.00
May 29	68	55	0.00
May 30	72	54	0.00
May 31	75	49	0.00

June 2003 Napa Weather

Day	High (°F)	Low (°F)
June 1	84	48
June 2	90	50
June 3	71	52
June 4	74	54
June 5	70	53
June 6	72	57
June 7	71	54
June 8	71	52
June 9	68	53
June 10	67	53
June 11	65	54
June 12	70	52
June 13	76	48
June 14	76	40
June 15	80	46
June 16	81	50
June 17	74	55
June 18	81	51
June 19	74	51
June 20	79	47
June 21	77	45
June 22	75	48
June 23	80	44
June 24	88	49
June 25	96	47
June 26	101	53
June 27	101	54
June 28	87	50
June 29	80	50
June 30	79	55

July 2003 Napa Weather

Day	High (°F)	Low (°F)
July 1	76	50
July 2	78	46
July 3	79	45
July 4	88	46
July 5	75	49
July 6	72	50
July 7	76	49
July 8	81	44
July 9	87	45
July 10	81	52
July 11	81	50
July 12	86	54
July 13	91	58
July 14	93	54
July 15	81	58
July 16	84	55
July 17	99	51
July 18	88	53
July 19	76	58
July 20	87	60
July 21	83	60
July 22	82	54
July 23	71	56
July 24	78	58
July 25	75	54
July 26	83	50
July 27	81	51
July 28	81	53
July 29	76	50
July 30	77	57
July 31	76	58

August 2003 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	80	59	0.00
August 2	77	59	0.00
August 3	80	58	0.00
August 4	82	54	0.00
August 5	79	53	0.00
August 6	80	52	0.00
August 7	81	46	0.00
August 8	85	49	0.00
August 9	85	52	0.00
August 10	87	47	0.00
August 11	87	45	0.00
August 12	81	47	0.00
August 13	81	54	0.00
August 14	80	53	0.00
August 15	82	49	0.00
August 16	88	49	0.00
August 17	81	57	0.00
August 18	77	56	0.00
August 19	72	55	0.00
August 20	79	50	0.00
August 21	77	57	0.30
August 22	76	57	0.00
August 23	85	50	0.00
August 24	95	55	0.00
August 25	98	54	0.00
August 26	81	59	0.00
August 27	74	54	0.00
August 28	73	55	0.00
August 29	78	54	0.00
August 30	72	52	0.00
August 31	78	53	0.00

September 2003 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	82	49	0.00
September 2	80	49	0.00
September 3	78	57	0.03
September 4	80	58	0.00
September 5	79	53	0.00
September 6	77	44	0.00
September 7	81	44	0.00
September 8	81	48	0.00
September 9	74	54	0.00
September 10	84	53	0.00
September 11	95	49	0.00
September 12	99	52	0.00
September 13	100	52	0.00
September 14	82	52	0.00
September 15	74	49	0.00
September 16	77	46	0.00
September 17	83	43	0.00
September 18	91	43	0.00
September 19	91	44	0.00
September 20	93	47	0.00
September 21	102	50	0.00
September 22	99	52	0.00
September 23	77	51	0.00
September 24	74	56	0.00
September 25	70	56	0.00
September 26	73	55	0.00
September 27	73	47	0.00
September 28	74	47	0.00
September 29	79	49	0.00
September 30	78	43	0.00

October 2003 Napa Weather

Day	High (°F)	Low (°F)
October 1	72	50
October 2	68	45
October 3	69	48
October 4	71	48
October 5	78	45
October 6	76	46
October 7	75	45
October 8	80	50
October 9	79	45
October 10	82	41
October 11	77	38
October 12	83	43
October 13	84	40
October 14	81	42
October 15	71	38
October 16	80	44
October 17	86	45
October 18	78	43
October 19	79	43
October 20	85	44
October 21	83	45
October 22	77	43
October 23	81	45
October 24	85	38
October 25	94	40
October 26	91	43
October 27	90	42
October 28	88	44
October 29	67	46
October 30	64	34
October 31	59	37

November 2003 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	61	31	0.00
November 2	60	31	0.10
November 3	60	35	0.03
November 4	59	34	0.00
November 5	58	44	0.00
November 6	63	47	0.19
November 7	63	50	0.00
November 8	66	53	0.93
November 9	63	48	0.23
November 10	67	40	0.00
November 11	68	34	0.00
November 12	69	36	0.00
November 13	63	38	0.00
November 14	59	46	0.07
November 15	57	40	0.04
November 16	58	34	0.00
November 17	66	42	0.02
November 18	66	37	0.00
November 19	65	42	0.00
November 20	62	33	0.00
November 21	59	27	0.00
November 22	59	26	0.00
November 23	59	23	0.00
November 24	56	28	0.00
November 25	61	25	0.00
November 26	61	31	0.00
November 27	60	26	0.00
November 28	57	47	0.01
November 29	58	48	0.01
November 30	53	50	0.59

December 2003 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	55	49	0.42
December 2	60	44	0.00
December 3	60	41	0.00
December 4	53	44	0.19
December 5	61	51	0.08
December 6	60	53	0.36
December 7	60	34	0.01
December 8	57	31	0.00
December 9	53	41	0.25
December 10	58	47	0.49
December 11	57	34	0.00
December 12	51	36	0.14
December 13	61	50	0.06
December 14	58	34	0.40
December 15	57	29	0.00
December 16	56	32	0.00
December 17	61	30	0.00
December 18	62	41	0.00
December 19	53	43	0.42
December 20	54	48	0.06
December 21	60	39	0.00
December 22	54	39	0.00
December 23	56	48	0.18
December 24	57	47	0.55
December 25	55	36	0.00
December 26	53	26	0.00
December 27	51	27	0.00
December 28	49	29	0.03
December 29	53	45	1.50
December 30	56	39	0.01
December 31	55	38	0.00

Next Year >

Weather Station Details

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