Vacaville Weather in 1978

Historical record of Vacaville, California weather for the year 1978 based on NOAA data.

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1978 Vacaville Weather Extremes
Highest temperature	109 °F	August 8
Lowest temperature	18 °F	December 31
Highest daily low	70 °F	May 31
Lowest daily high	37 °F	December 23
Most daily precipitation	1.7 inches	January 16

What was the hottest temperature in Vacaville in 1978?

The highest temperature recorded in Vacaville, California in 1978 was 109 °F which happened on August 8.

Highest Temperatures: All-Time By Year

Highest Temperatures in Vacaville in 1978

Rank	Temperature	Date
1	109 °F	Aug 8
2	107 °F	Aug 9
3	106 °F	Aug 7
3	106 °F	Aug 6
3	106 °F	Aug 5
6	103 °F	Aug 10
6	103 °F	Jun 6
8	102 °F	Aug 1
8	102 °F	Jul 31
8	102 °F	Jun 7

What was the coldest temperature in Vacaville in 1978?

The lowest temperature recorded in Vacaville, California in 1978 was 18 °F which happened on Dec 31.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Vacaville in 1978

Rank	Temperature	Date
1	18 °F	December 31
2	23 °F	December 8
3	25 °F	December 30
3	25 °F	December 20
3	25 °F	December 16
6	27 °F	December 21
6	27 °F	December 10
8	28 °F	December 19
8	28 °F	December 9
10	29 °F	December 22

January 1978 Vacaville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	53	38	0.02
January 2	48	45	0.17
January 3	55	45	0.11
January 4	55	48	0.58
January 5	57	50	1.24
January 6	62	47	0.16
January 7	55	42	0.00
January 8	57	49	0.05
January 9	63	34	1.05
January 10	61	49	0.00
January 11	60	46	0.00
January 12	56	49	0.49
January 13	54	51	0.38
January 14	55	51	1.68
January 15	55	46	1.30
January 16	58	52	1.73
January 17	58	46	0.20
January 18	55	45	0.11
January 19	62	42	0.79
January 20	62	42	0.00
January 21	56	40	0.00
January 22	59	31	0.00
January 23	55	43	0.00
January 24	57	39	0.00
January 25	54	34	0.00
January 26	58	34	0.00
January 27	56	33	0.00
January 28	57	37	0.00
January 29	51	41	0.00
January 30	47	41	0.00
January 31	47	40	0.00

February 1978 Vacaville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	53	43	0.00
February 2	58	43	0.09
February 3	54	37	0.00
February 4	57	37	0.00
February 5	59	46	0.82
February 6	64	48	1.30
February 7	63	48	1.33
February 8	56	44	0.50
February 9	56	42	0.59
February 10	57	50	0.00
February 11	55	35	0.00
February 12	51	43	0.99
February 13	59	40	0.43
February 14	59	38	0.00
February 15	60	44	0.02
February 16	54	41	0.00
February 17	55	43	0.00
February 18	65	41	0.00
February 19	65	39	0.00
February 20	67	40	0.00
February 21	69	40	0.00
February 22	70	41	0.00
February 23	69	43	0.00
February 24	64	49	0.00
February 25	64	45	0.00
February 26	64	49	0.00
February 27	62	37	0.00
February 28	65	46	0.00

March 1978 Vacaville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	65	50	0.13
March 2	62	51	1.00
March 3	63	51	0.46
March 4	64	51	1.23
March 5	64	52	0.93
March 6	61	41	0.00
March 7	67	45	0.00
March 8	63	52	0.28
March 9	62	51	0.59
March 10	65	42	0.00
March 11	59	46	0.00
March 12	61	45	0.69
March 13	66	36	0.00
March 14	69	47	0.00
March 15	69	41	0.00
March 16	71	41	0.00
March 17	74	45	0.00
March 18	73	49	0.00
March 19	75	46	0.00
March 20	71	47	0.00
March 21	67	53	0.01
March 22	68	53	0.39
March 23	65	52	0.08
March 24	67	39	0.00
March 25	75	40	0.00
March 26	74	41	0.00
March 27	77	48	0.00
March 28	70	45	0.00
March 29	68	49	0.00
March 30	70	51	0.00
March 31	65	55	0.30

April 1978 Vacaville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	n/a	n/a	n/a
April 2	n/a	n/a	n/a
April 3	n/a	n/a	n/a
April 4	n/a	n/a	n/a
April 5	n/a	n/a	n/a
April 6	n/a	n/a	n/a
April 7	n/a	n/a	n/a
April 8	n/a	n/a	n/a
April 9	n/a	n/a	n/a
April 10	n/a	n/a	n/a
April 11	n/a	n/a	n/a
April 12	n/a	n/a	n/a
April 13	n/a	n/a	n/a
April 14	n/a	n/a	n/a
April 15	n/a	n/a	n/a
April 16	n/a	n/a	n/a
April 17	n/a	n/a	n/a
April 18	n/a	n/a	n/a
April 19	n/a	n/a	n/a
April 20	n/a	n/a	n/a
April 21	n/a	n/a	n/a
April 22	n/a	n/a	n/a
April 23	n/a	n/a	n/a
April 24	n/a	n/a	n/a
April 25	n/a	n/a	n/a
April 26	n/a	n/a	n/a
April 27	n/a	n/a	n/a
April 28	n/a	n/a	n/a
April 29	n/a	n/a	n/a
April 30	n/a	n/a	n/a

May 1978 Vacaville Weather

Day	High (°F)	Low (°F)
May 1	79	54
May 2	87	54
May 3	86	50
May 4	81	48
May 5	77	53
May 6	78	56
May 7	82	54
May 8	85	46
May 9	84	53
May 10	75	52
May 11	76	49
May 12	85	45
May 13	89	50
May 14	86	54
May 15	72	52
May 16	76	39
May 17	86	63
May 18	87	48
May 19	93	50
May 20	92	52
May 21	88	55
May 22	75	51
May 23	73	49
May 24	70	45
May 25	74	39
May 26	78	43
May 27	92	48
May 28	93	55
May 29	95	56
May 30	95	65
May 31	91	70

June 1978 Vacaville Weather

Day	High (°F)	Low (°F)
June 1	89	56
June 2	83	51
June 3	85	50
June 4	99	52
June 5	101	56
June 6	103	59
June 7	102	57
June 8	98	52
June 9	97	61
June 10	83	55
June 11	86	54
June 12	83	54
June 13	83	53
June 14	80	50
June 15	83	49
June 16	85	43
June 17	89	50
June 18	87	54
June 19	85	49
June 20	83	52
June 21	87	52
June 22	88	57
June 23	79	55
June 24	81	54
June 25	84	54
June 26	83	53
June 27	83	53
June 28	77	59
June 29	81	52
June 30	81	56

July 1978 Vacaville Weather

Day	High (°F)	Low (°F)
July 1	77	57
July 2	76	52
July 3	84	49
July 4	89	53
July 5	94	56
July 6	94	56
July 7	92	57
July 8	98	57
July 9	98	61
July 10	95	50
July 11	85	54
July 12	84	52
July 13	94	57
July 14	99	57
July 15	97	58
July 16	96	52
July 17	96	59
July 18	98	61
July 19	98	44
July 20	98	58
July 21	96	n/a
July 22	98	59
July 23	99	56
July 24	100	60
July 25	99	62
July 26	96	63
July 27	95	57
July 28	95	57
July 29	90	48
July 30	97	53
July 31	102	56

August 1978 Vacaville Weather

Day	High (°F)	Low (°F)
August 1	102	59
August 2	94	55
August 3	95	55
August 4	96	62
August 5	106	56
August 6	106	69
August 7	106	69
August 8	109	64
August 9	107	64
August 10	103	60
August 11	96	58
August 12	88	58
August 13	84	52
August 14	93	52
August 15	93	55
August 16	88	41
August 17	89	51
August 18	94	57
August 19	94	52
August 20	92	54
August 21	85	59
August 22	80	48
August 23	80	52
August 24	81	55
August 25	84	58
August 26	83	54
August 27	89	51
August 28	98	56
August 29	96	57
August 30	92	58
August 31	90	56

September 1978 Vacaville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	95	54	0.00
September 2	96	59	0.00
September 3	92	58	0.00
September 4	85	63	0.00
September 5	80	57	0.00
September 6	78	45	0.00
September 7	80	46	0.00
September 8	84	47	0.00
September 9	81	53	0.32
September 10	75	55	0.08
September 11	82	52	0.00
September 12	85	61	0.00
September 13	85	50	0.00
September 14	85	58	0.00
September 15	95	54	0.00
September 16	89	59	0.00
September 17	86	53	0.00
September 18	75	52	0.00
September 19	78	59	0.00
September 20	81	46	0.00
September 21	86	45	0.00
September 22	92	46	0.00
September 23	93	52	0.00
September 24	94	56	0.00
September 25	96	55	0.00
September 26	94	59	0.00
September 27	86	50	0.00
September 28	91	52	0.00
September 29	93	54	0.00
September 30	97	56	0.00

October 1978 Vacaville Weather

Day	High (°F)	Low (°F)
October 1	96	55
October 2	94	52
October 3	96	53
October 4	93	50
October 5	90	53
October 6	78	44
October 7	85	41
October 8	88	45
October 9	84	47
October 10	88	47
October 11	91	48
October 12	93	51
October 13	93	53
October 14	93	49
October 15	86	47
October 16	78	49
October 17	84	49
October 18	82	49
October 19	78	46
October 20	73	46
October 21	75	45
October 22	83	41
October 23	90	46
October 24	80	45
October 25	78	48
October 26	78	40
October 27	79	40
October 28	77	40
October 29	74	41
October 30	70	37
October 31	68	37

November 1978 Vacaville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	n/a	n/a	n/a
November 2	n/a	n/a	n/a
November 3	n/a	n/a	n/a
November 4	n/a	n/a	n/a
November 5	n/a	n/a	n/a
November 6	n/a	n/a	n/a
November 7	n/a	n/a	n/a
November 8	n/a	n/a	n/a
November 9	n/a	n/a	n/a
November 10	n/a	n/a	n/a
November 11	n/a	n/a	n/a
November 12	n/a	n/a	n/a
November 13	n/a	n/a	n/a
November 14	n/a	n/a	n/a
November 15	n/a	n/a	n/a
November 16	n/a	n/a	n/a
November 17	n/a	n/a	n/a
November 18	n/a	n/a	n/a
November 19	n/a	n/a	n/a
November 20	n/a	n/a	n/a
November 21	n/a	n/a	n/a
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	n/a	n/a	n/a
November 28	n/a	n/a	n/a
November 29	n/a	n/a	n/a
November 30	n/a	n/a	n/a

December 1978 Vacaville Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	60	46	0.04
December 2	61	47	0.00
December 3	61	34	0.00
December 4	60	32	0.00
December 5	55	42	0.00
December 6	50	37	0.00
December 7	48	35	0.00
December 8	48	23	0.00
December 9	50	28	0.00
December 10	57	27	0.00
December 11	57	32	0.00
December 12	61	41	0.00
December 13	63	34	0.00
December 14	64	31	0.00
December 15	62	30	0.00
December 16	55	25	0.00
December 17	50	40	0.55
December 18	47	37	0.08
December 19	50	28	0.00
December 20	49	25	0.00
December 21	54	27	0.00
December 22	46	29	0.00
December 23	37	30	0.00
December 24	40	36	0.00
December 25	40	38	0.00
December 26	40	35	0.00
December 27	50	37	0.00
December 28	50	36	0.00
December 29	47	37	0.00
December 30	45	25	0.00
December 31	49	18	0.00

Next Year >

Weather Station Details

Years	Station	Coordinates
1999–2024	Vacaville Nut Tree Airport	location
1893–1998	Vacaville	location