Napa Weather in 2015

Historical record of Napa, California weather for the year 2015 based on NOAA data.

Jump to Month:

Year:

2015 Napa Weather Extremes
Highest temperature	101 °F	August 16
Lowest temperature	23 °F	November 29
Highest daily low	62 °F	August 29
Lowest daily high	48 °F	December 30
Most daily precipitation	1.2 inches	February 6
Total annual precipitation	8.3 inches	-

What was the hottest temperature in Napa in 2015?

The highest temperature recorded in Napa, California in 2015 was 101 °F which happened on August 16.

Highest Temperatures: All-Time By Year

Highest Temperatures in Napa in 2015

Rank	Temperature	Date
1	101 °F	Aug 16
2	99 °F	Sep 9
2	99 °F	Jun 8
4	96 °F	Sep 21
4	96 °F	Sep 8
4	96 °F	Aug 15
4	96 °F	Jul 28
8	95 °F	Sep 20
9	94 °F	Oct 12
10	93 °F	Oct 13
10	93 °F	Sep 10
10	93 °F	Aug 28
10	93 °F	Aug 27

What was the coldest temperature in Napa in 2015?

The lowest temperature recorded in Napa, California in 2015 was 23 °F which happened on Nov 29.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Napa in 2015

Rank	Temperature	Date
1	23 °F	November 29
2	24 °F	December 31
3	25 °F	December 29
3	25 °F	December 27
5	26 °F	December 30
5	26 °F	January 2
7	27 °F	December 25
7	27 °F	December 1
7	27 °F	January 3
10	28 °F	December 16
10	28 °F	December 14
10	28 °F	November 26
10	28 °F	November 25

January 2015 Napa Weather

Day	High (°F)	Low (°F)
January 1	50	29
January 2	50	26
January 3	54	27
January 4	57	31
January 5	55	33
January 6	62	39
January 7	66	36
January 8	60	38
January 9	63	40
January 10	59	37
January 11	49	37
January 12	63	38
January 13	65	37
January 14	59	33
January 15	54	35
January 16	56	38
January 17	58	47
January 18	62	50
January 19	59	40
January 20	57	36
January 21	58	33
January 22	56	35
January 23	62	34
January 24	57	39
January 25	58	36
January 26	62	36
January 27	63	45
January 28	64	42
January 29	65	36
January 30	62	36
January 31	72	38

February 2015 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	65	33	0.00
February 2	65	37	0.00
February 3	68	43	0.00
February 4	63	42	0.00
February 5	60	44	0.00
February 6	62	56	1.17
February 7	65	52	0.00
February 8	64	52	1.11
February 9	64	42	0.09
February 10	62	38	0.00
February 11	65	36	0.00
February 12	71	40	0.00
February 13	71	40	0.00
February 14	72	41	0.00
February 15	72	40	0.00
February 16	72	40	0.00
February 17	56	50	0.00
February 18	62	45	0.00
February 19	58	43	0.00
February 20	65	43	0.00
February 21	65	38	0.00
February 22	64	39	0.00
February 23	61	40	0.00
February 24	65	29	0.00
February 25	64	35	0.00
February 26	70	37	0.00
February 27	63	38	0.00
February 28	60	34	0.00

March 2015 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	62	33	0.00
March 2	59	37	0.00
March 3	62	35	0.00
March 4	65	33	0.00
March 5	68	36	0.00
March 6	69	33	0.00
March 7	71	34	0.00
March 8	69	37	0.00
March 9	66	41	0.00
March 10	66	46	0.00
March 11	65	46	0.02
March 12	71	41	0.00
March 13	75	43	0.00
March 14	78	47	0.00
March 15	69	47	0.00
March 16	65	48	0.00
March 17	69	45	0.00
March 18	70	41	0.00
March 19	73	38	0.00
March 20	70	38	0.00
March 21	69	46	0.00
March 22	65	53	0.05
March 23	64	47	0.00
March 24	69	47	0.00
March 25	73	40	0.00
March 26	80	43	0.00
March 27	69	45	0.00
March 28	77	39	0.00
March 29	76	37	0.00
March 30	69	42	0.00
March 31	70	44	0.00

April 2015 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	66	33	0.00
April 2	71	37	0.00
April 3	70	33	0.00
April 4	67	32	0.00
April 5	60	36	0.00
April 6	61	33	0.00
April 7	58	44	1.01
April 8	63	35	0.00
April 9	66	38	0.00
April 10	68	37	0.00
April 11	72	38	0.00
April 12	74	37	0.00
April 13	67	37	0.00
April 14	65	35	0.00
April 15	76	35	0.00
April 16	78	42	0.00
April 17	73	39	0.00
April 18	69	45	0.00
April 19	67	46	0.00
April 20	66	51	0.00
April 21	56	50	0.00
April 22	67	51	0.00
April 23	65	48	0.00
April 24	67	49	0.29
April 25	67	50	0.13
April 26	73	39	0.00
April 27	83	45	0.00
April 28	70	50	0.00
April 29	71	46	0.00
April 30	87	45	0.00

May 2015 Napa Weather

Day	High (°F)	Low (°F)
May 1	74	45
May 2	68	50
May 3	62	50
May 4	62	48
May 5	67	45
May 6	72	41
May 7	71	43
May 8	67	40
May 9	66	48
May 10	64	48
May 11	69	44
May 12	67	45
May 13	68	43
May 14	66	45
May 15	68	48
May 16	66	45
May 17	68	49
May 18	67	49
May 19	67	49
May 20	68	48
May 21	70	52
May 22	69	51
May 23	68	53
May 24	65	52
May 25	67	51
May 26	69	51
May 27	69	51
May 28	71	49
May 29	69	47
May 30	72	50
May 31	70	50

June 2015 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	75	54	0.00
June 2	77	50	0.00
June 3	74	47	0.00
June 4	75	47	0.00
June 5	71	53	0.00
June 6	70	52	0.00
June 7	81	53	0.00
June 8	99	54	0.00
June 9	82	54	0.02
June 10	74	56	0.11
June 11	82	53	0.00
June 12	83	52	0.00
June 13	71	53	0.00
June 14	70	51	0.00
June 15	71	52	0.00
June 16	75	53	0.00
June 17	76	51	0.00
June 18	76	48	0.00
June 19	76	48	0.00
June 20	76	48	0.00
June 21	75	49	0.00
June 22	71	46	0.00
June 23	79	48	0.00
June 24	78	50	0.00
June 25	85	51	0.00
June 26	80	53	0.00
June 27	75	54	0.00
June 28	82	57	0.00
June 29	83	55	0.00
June 30	91	53	0.00

July 2015 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	83	55	0.00
July 2	75	61	0.00
July 3	79	58	0.00
July 4	78	56	0.00
July 5	75	58	0.00
July 6	83	58	0.00
July 7	81	57	0.00
July 8	76	57	0.00
July 9	65	58	0.03
July 10	75	58	0.00
July 11	79	57	0.00
July 12	80	58	0.00
July 13	83	53	0.00
July 14	78	53	0.00
July 15	77	60	0.00
July 16	75	56	0.00
July 17	78	58	0.00
July 18	78	54	0.00
July 19	91	59	0.00
July 20	86	59	0.00
July 21	78	56	0.00
July 22	77	55	0.00
July 23	76	56	0.00
July 24	80	47	0.00
July 25	77	48	0.00
July 26	76	58	0.00
July 27	89	49	0.00
July 28	96	50	0.00
July 29	85	54	0.00
July 30	80	59	0.00
July 31	79	59	0.00

August 2015 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	83	59	0.00
August 2	81	59	0.00
August 3	82	58	0.00
August 4	76	55	0.00
August 5	85	49	0.00
August 6	77	54	0.01
August 7	76	56	0.00
August 8	73	58	0.00
August 9	85	50	0.00
August 10	85	54	0.00
August 11	83	53	0.00
August 12	82	47	0.00
August 13	82	58	0.00
August 14	84	55	0.00
August 15	96	51	0.00
August 16	101	56	0.00
August 17	85	54	0.00
August 18	76	56	0.00
August 19	77	55	0.00
August 20	74	58	0.00
August 21	72	58	0.00
August 22	76	58	0.00
August 23	76	58	0.00
August 24	81	55	0.00
August 25	80	52	0.00
August 26	88	53	0.00
August 27	93	53	0.00
August 28	93	55	0.00
August 29	81	62	0.00
August 30	83	57	0.00
August 31	82	52	0.00

September 2015 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	74	57	0.00
September 2	79	54	0.00
September 3	76	55	0.00
September 4	77	44	0.00
September 5	82	44	0.00
September 6	88	42	0.00
September 7	92	47	0.00
September 8	96	49	0.00
September 9	99	52	0.00
September 10	93	53	0.00
September 11	87	52	0.00
September 12	81	54	0.00
September 13	86	60	0.00
September 14	67	57	0.00
September 15	71	53	0.00
September 16	68	50	0.06
September 17	75	52	0.00
September 18	81	46	0.00
September 19	90	47	0.00
September 20	95	50	0.00
September 21	96	52	0.00
September 22	69	50	0.00
September 23	80	43	0.00
September 24	90	52	0.00
September 25	88	48	0.00
September 26	79	52	0.00
September 27	75	50	0.00
September 28	72	44	0.00
September 29	70	51	0.00
September 30	68	53	0.00

October 2015 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	75	54	0.00
October 2	81	47	0.00
October 3	74	47	0.00
October 4	80	53	0.20
October 5	74	48	0.00
October 6	75	51	0.00
October 7	80	47	0.00
October 8	87	51	0.00
October 9	89	46	0.00
October 10	78	57	0.00
October 11	81	n/a	0.00
October 12	94	48	0.00
October 13	93	52	0.00
October 14	82	53	0.00
October 15	77	54	0.00
October 16	76	53	0.00
October 17	71	56	0.00
October 18	75	46	0.00
October 19	74	48	0.00
October 20	87	46	0.00
October 21	83	44	0.00
October 22	79	47	0.00
October 23	77	47	0.00
October 24	78	46	0.00
October 25	76	50	0.00
October 26	76	45	0.00
October 27	71	51	0.00
October 28	72	48	0.00
October 29	84	43	0.00
October 30	80	45	0.00
October 31	79	45	0.00

November 2015 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	70	56	0.16
November 2	66	46	0.41
November 3	68	36	0.00
November 4	68	39	0.00
November 5	67	34	0.00
November 6	68	35	0.00
November 7	68	37	0.00
November 8	64	38	0.02
November 9	58	37	0.36
November 10	62	35	0.00
November 11	62	31	0.00
November 12	64	36	0.00
November 13	66	35	0.00
November 14	65	37	0.00
November 15	61	44	0.24
November 16	64	32	0.00
November 17	67	36	0.00
November 18	70	36	0.00
November 19	70	37	0.00
November 20	73	41	0.00
November 21	71	38	0.00
November 22	70	38	0.00
November 23	58	39	0.00
November 24	59	40	0.02
November 25	54	28	0.00
November 26	57	28	0.00
November 27	60	32	0.00
November 28	58	32	0.00
November 29	58	23	0.00
November 30	52	31	0.00

December 2015 Napa Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	60	27	0.00
December 2	60	41	0.00
December 3	61	40	0.14
December 4	60	37	0.00
December 5	57	36	0.00
December 6	57	45	0.00
December 7	61	47	0.00
December 8	59	45	0.00
December 9	62	52	0.02
December 10	62	47	0.12
December 11	58	39	0.04
December 12	55	35	0.00
December 13	56	37	0.32
December 14	57	28	0.00
December 15	59	31	0.00
December 16	55	28	0.00
December 17	55	34	0.00
December 18	58	45	0.39
December 19	57	32	0.05
December 20	52	30	0.78
December 21	58	47	0.75
December 22	62	47	0.05
December 23	56	36	0.00
December 24	54	31	0.10
December 25	52	27	0.00
December 26	57	29	0.00
December 27	49	25	0.00
December 28	49	31	0.00
December 29	54	25	0.00
December 30	48	26	0.02
December 31	51	24	0.00

Next Year >

Weather Station Details

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