St. Helena Weather in 1986

Historical record of St. Helena, California weather for the year 1986 based on NOAA data.

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1986 St. Helena Weather Extremes
Highest temperature	100 °F	July 20
Lowest temperature	30 °F	December 10
Highest daily low	61 °F	October 2
Lowest daily high	45 °F	December 12
Most daily precipitation	5.8 inches	February 16

What was the hottest temperature in St. Helena in 1986?

The highest temperature recorded in St. Helena, California in 1986 was 100 °F which happened on July 20.

Highest Temperatures: All-Time By Year

Highest Temperatures in St. Helena in 1986

Rank	Temperature	Date
1	100 °F	Jul 20
2	99 °F	Jul 10
2	99 °F	Jun 22
4	98 °F	Aug 19
4	98 °F	Jul 31
4	98 °F	Jul 30
4	98 °F	Jul 1
4	98 °F	Jun 9
9	97 °F	Aug 18
9	97 °F	Aug 3
9	97 °F	Jul 11

What was the coldest temperature in St. Helena in 1986?

The lowest temperature recorded in St. Helena, California in 1986 was 30 °F which happened 3 different times.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in St. Helena in 1986

Rank	Temperature	Date
1	30 °F	December 10
1	30 °F	November 30
1	30 °F	November 29
4	31 °F	December 27
4	31 °F	December 11
4	31 °F	December 9
4	31 °F	December 8
8	32 °F	December 26
8	32 °F	December 24
8	32 °F	December 1
8	32 °F	February 10
8	32 °F	February 9

January 1986 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	n/a	n/a	n/a
January 2	n/a	n/a	n/a
January 3	n/a	n/a	n/a
January 4	n/a	n/a	n/a
January 5	n/a	n/a	n/a
January 6	n/a	n/a	n/a
January 7	n/a	n/a	n/a
January 8	n/a	n/a	n/a
January 9	n/a	n/a	n/a
January 10	n/a	n/a	n/a
January 11	n/a	n/a	n/a
January 12	n/a	n/a	n/a
January 13	n/a	n/a	n/a
January 14	n/a	n/a	n/a
January 15	n/a	n/a	n/a
January 16	n/a	n/a	n/a
January 17	n/a	n/a	n/a
January 18	n/a	n/a	n/a
January 19	n/a	n/a	n/a
January 20	n/a	n/a	n/a
January 21	n/a	n/a	n/a
January 22	n/a	n/a	n/a
January 23	n/a	n/a	n/a
January 24	n/a	n/a	n/a
January 25	n/a	n/a	n/a
January 26	n/a	n/a	n/a
January 27	n/a	n/a	n/a
January 28	n/a	n/a	n/a
January 29	n/a	n/a	n/a
January 30	n/a	n/a	n/a
January 31	n/a	n/a	n/a

February 1986 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	60	51	0.75
February 2	59	48	0.18
February 3	56	38	0.62
February 4	63	38	0.00
February 5	62	38	0.00
February 6	57	33	0.00
February 7	58	33	0.00
February 8	56	37	0.00
February 9	65	32	0.00
February 10	57	32	0.00
February 11	61	40	0.53
February 12	58	47	1.32
February 13	61	50	3.50
February 14	60	52	3.62
February 15	60	50	2.12
February 16	60	50	5.80
February 17	60	52	3.55
February 18	65	54	2.19
February 19	58	48	1.10
February 20	60	48	0.32
February 21	58	46	0.00
February 22	66	46	0.00
February 23	73	47	0.00
February 24	78	50	0.00
February 25	76	49	0.00
February 26	78	48	0.00
February 27	78	50	0.00
February 28	77	46	0.00

March 1986 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	n/a	n/a	n/a
March 2	n/a	n/a	n/a
March 3	n/a	n/a	n/a
March 4	n/a	n/a	n/a
March 5	n/a	n/a	n/a
March 6	n/a	n/a	n/a
March 7	n/a	n/a	n/a
March 8	n/a	n/a	n/a
March 9	n/a	n/a	n/a
March 10	n/a	n/a	n/a
March 11	n/a	n/a	n/a
March 12	n/a	n/a	n/a
March 13	n/a	n/a	n/a
March 14	n/a	n/a	n/a
March 15	n/a	n/a	n/a
March 16	n/a	n/a	n/a
March 17	n/a	n/a	n/a
March 18	n/a	n/a	n/a
March 19	n/a	n/a	n/a
March 20	n/a	n/a	n/a
March 21	n/a	n/a	n/a
March 22	n/a	n/a	n/a
March 23	n/a	n/a	n/a
March 24	n/a	n/a	n/a
March 25	n/a	n/a	n/a
March 26	n/a	n/a	n/a
March 27	n/a	n/a	n/a
March 28	n/a	n/a	n/a
March 29	n/a	n/a	n/a
March 30	n/a	n/a	n/a
March 31	n/a	n/a	n/a

April 1986 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	67	37	0.00
April 2	70	42	0.00
April 3	74	41	0.00
April 4	70	47	0.00
April 5	64	51	0.03
April 6	68	50	0.20
April 7	68	43	0.00
April 8	66	45	0.00
April 9	75	45	0.00
April 10	79	42	0.00
April 11	76	42	0.00
April 12	61	36	0.00
April 13	69	45	0.00
April 14	71	44	0.00
April 15	62	42	0.27
April 16	62	39	0.15
April 17	67	45	0.00
April 18	77	44	0.00
April 19	83	49	0.00
April 20	88	50	0.00
April 21	89	45	0.00
April 22	75	46	0.00
April 23	69	43	0.00
April 24	71	42	0.00
April 25	75	48	0.00
April 26	81	52	0.00
April 27	75	48	0.00
April 28	74	42	0.00
April 29	74	39	0.00
April 30	75	46	0.00

May 1986 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	n/a	n/a	n/a
May 2	n/a	n/a	n/a
May 3	n/a	n/a	n/a
May 4	n/a	n/a	n/a
May 5	n/a	n/a	n/a
May 6	n/a	n/a	n/a
May 7	n/a	n/a	n/a
May 8	n/a	n/a	n/a
May 9	n/a	n/a	n/a
May 10	n/a	n/a	n/a
May 11	n/a	n/a	n/a
May 12	n/a	n/a	n/a
May 13	n/a	n/a	n/a
May 14	n/a	n/a	n/a
May 15	n/a	n/a	n/a
May 16	n/a	n/a	n/a
May 17	n/a	n/a	n/a
May 18	n/a	n/a	n/a
May 19	n/a	n/a	n/a
May 20	n/a	n/a	n/a
May 21	n/a	n/a	n/a
May 22	n/a	n/a	n/a
May 23	n/a	n/a	n/a
May 24	n/a	n/a	n/a
May 25	n/a	n/a	n/a
May 26	n/a	n/a	n/a
May 27	n/a	n/a	n/a
May 28	n/a	n/a	n/a
May 29	n/a	n/a	n/a
May 30	n/a	n/a	n/a
May 31	n/a	n/a	n/a

June 1986 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	82	55	0.00
June 2	75	54	0.00
June 3	83	51	0.00
June 4	78	58	0.00
June 5	72	54	0.00
June 6	76	51	0.00
June 7	85	56	0.00
June 8	94	54	0.00
June 9	98	53	0.00
June 10	90	55	0.00
June 11	75	53	0.00
June 12	74	51	0.00
June 13	82	55	0.00
June 14	78	54	0.00
June 15	84	49	0.00
June 16	80	49	0.00
June 17	75	51	0.00
June 18	84	52	0.00
June 19	89	54	0.00
June 20	91	55	0.00
June 21	96	55	0.00
June 22	99	58	0.00
June 23	94	55	0.00
June 24	86	55	0.00
June 25	88	53	0.00
June 26	89	54	0.00
June 27	84	57	0.00
June 28	87	51	0.00
June 29	90	52	0.00
June 30	n/a	n/a	n/a

July 1986 St. Helena Weather

Day	High (°F)	Low (°F)
July 1	98	57
July 2	93	56
July 3	87	54
July 4	89	53
July 5	83	50
July 6	79	51
July 7	89	54
July 8	90	55
July 9	83	55
July 10	99	58
July 11	97	57
July 12	88	57
July 13	86	54
July 14	89	54
July 15	79	47
July 16	84	47
July 17	78	51
July 18	83	49
July 19	94	53
July 20	100	56
July 21	90	57
July 22	85	60
July 23	83	57
July 24	83	56
July 25	79	54
July 26	84	54
July 27	81	50
July 28	80	50
July 29	95	53
July 30	98	53
July 31	98	53

August 1986 St. Helena Weather

Day	High (°F)	Low (°F)
August 1	93	53
August 2	94	54
August 3	97	58
August 4	94	57
August 5	94	58
August 6	93	54
August 7	86	50
August 8	85	51
August 9	85	53
August 10	84	53
August 11	86	54
August 12	88	53
August 13	84	56
August 14	86	54
August 15	81	58
August 16	80	59
August 17	87	51
August 18	97	53
August 19	98	53
August 20	93	53
August 21	87	51
August 22	80	52
August 23	85	54
August 24	84	51
August 25	90	54
August 26	86	55
August 27	86	58
August 28	90	49
August 29	82	54
August 30	90	56
August 31	91	55

September 1986 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	90	55	0.00
September 2	87	55	0.00
September 3	89	53	0.00
September 4	89	56	0.00
September 5	92	53	0.00
September 6	85	54	0.00
September 7	85	54	0.00
September 8	78	47	0.00
September 9	83	48	0.00
September 10	90	51	0.00
September 11	87	53	0.00
September 12	75	44	0.00
September 13	75	46	0.00
September 14	71	48	0.00
September 15	70	52	0.39
September 16	69	54	0.15
September 17	74	46	0.00
September 18	71	49	0.14
September 19	68	45	0.00
September 20	74	45	0.00
September 21	74	45	0.00
September 22	73	45	0.00
September 23	79	45	0.26
September 24	65	43	0.13
September 25	64	44	0.15
September 26	65	46	0.63
September 27	67	43	0.00
September 28	78	45	0.00
September 29	82	47	0.00
September 30	82	52	0.00

October 1986 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	77	59	0.00
October 2	77	61	0.00
October 3	80	52	0.00
October 4	86	50	0.00
October 5	90	49	0.00
October 6	89	50	0.00
October 7	90	50	0.00
October 8	88	50	0.00
October 9	81	51	0.00
October 10	71	51	0.00
October 11	70	48	0.00
October 12	71	44	0.00
October 13	79	45	0.00
October 14	84	46	0.00
October 15	84	46	0.00
October 16	68	50	0.02
October 17	68	45	0.00
October 18	75	42	0.00
October 19	79	45	0.00
October 20	69	46	0.00
October 21	76	45	0.00
October 22	80	47	0.00
October 23	62	52	0.00
October 24	71	51	0.00
October 25	78	50	0.00
October 26	79	51	0.00
October 27	74	47	0.00
October 28	65	47	0.00
October 29	73	48	0.10
October 30	68	44	0.00
October 31	75	58	0.00

November 1986 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	76	57	0.00
November 2	83	42	0.00
November 3	81	43	0.00
November 4	82	42	0.00
November 5	75	49	0.00
November 6	73	48	0.00
November 7	63	41	0.00
November 8	67	37	0.00
November 9	72	43	0.00
November 10	78	41	0.00
November 11	81	41	0.00
November 12	80	39	0.00
November 13	71	46	0.00
November 14	58	44	0.00
November 15	69	40	0.00
November 16	71	39	0.00
November 17	74	41	0.00
November 18	72	44	0.01
November 19	70	42	0.00
November 20	70	45	0.03
November 21	66	46	0.00
November 22	67	42	0.00
November 23	70	37	0.00
November 24	66	43	0.00
November 25	77	36	0.00
November 26	65	33	0.00
November 27	65	34	0.00
November 28	65	33	0.08
November 29	61	30	0.00
November 30	68	30	0.00

December 1986 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	70	32	0.00
December 2	70	34	0.00
December 3	70	33	0.00
December 4	61	45	0.28
December 5	58	41	0.00
December 6	65	44	0.00
December 7	66	33	0.00
December 8	61	31	0.00
December 9	60	31	0.00
December 10	65	30	0.00
December 11	51	31	0.00
December 12	45	35	0.14
December 13	46	39	0.15
December 14	52	44	0.00
December 15	49	41	0.13
December 16	69	35	0.00
December 17	63	36	0.32
December 18	55	37	0.00
December 19	51	35	0.34
December 20	60	33	0.00
December 21	58	34	0.39
December 22	51	42	0.06
December 23	61	35	0.00
December 24	58	32	0.00
December 25	55	35	0.00
December 26	54	32	0.00
December 27	55	31	0.00
December 28	55	36	0.02
December 29	58	37	0.00
December 30	59	36	0.22
December 31	50	43	0.05

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Weather Station Details

Years	Station	Coordinates
1907–2023	Saint Helena	location