St. Helena Weather in 1989

Historical record of St. Helena, California weather for the year 1989 based on NOAA data.

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1989 St. Helena Weather Extremes
Highest temperature	105 °F	July 7
Lowest temperature	24 °F	February 6
Highest daily low	69 °F	June 21
Lowest daily high	43 °F	December 20
Most daily precipitation	2.0 inches	November 25
Most daily snow	none	-
Total annual precipitation	20.6 inches	-
Total annual snow	none	-

What was the hottest temperature in St. Helena in 1989?

The highest temperature recorded in St. Helena, California in 1989 was 105 °F which happened 3 different times.

Highest Temperatures: All-Time By Year

Highest Temperatures in St. Helena in 1989

Rank	Temperature	Date
1	105 °F	Jul 7
1	105 °F	Jul 6
1	105 °F	Jun 22
4	101 °F	Jul 18
5	100 °F	Aug 14
5	100 °F	Jul 19
5	100 °F	Jun 23
8	99 °F	Aug 13
8	99 °F	Jul 5
10	98 °F	Jul 17
10	98 °F	Jun 21

What was the coldest temperature in St. Helena in 1989?

The lowest temperature recorded in St. Helena, California in 1989 was 24 °F which happened on Feb 6.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in St. Helena in 1989

Rank	Temperature	Date
1	24 °F	February 6
2	25 °F	February 7
3	26 °F	February 4
4	27 °F	December 26
4	27 °F	December 25
4	27 °F	February 5
7	28 °F	December 27
7	28 °F	December 16
9	29 °F	December 24
9	29 °F	February 13
9	29 °F	February 3
9	29 °F	January 15
9	29 °F	January 14
9	29 °F	January 13
9	29 °F	January 5
9	29 °F	January 4
9	29 °F	January 3

January 1989 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	56	32	0.00
January 2	54	33	0.00
January 3	60	29	0.00
January 4	61	29	0.58
January 5	51	29	0.00
January 6	48	33	0.00
January 7	51	31	0.00
January 8	44	35	0.22
January 9	49	41	0.10
January 10	57	44	0.00
January 11	51	39	0.00
January 12	63	31	0.00
January 13	45	29	0.00
January 14	52	29	0.00
January 15	53	29	0.00
January 16	55	33	0.00
January 17	58	33	0.00
January 18	62	31	0.00
January 19	69	32	0.00
January 20	70	36	0.00
January 21	63	39	0.00
January 22	61	40	0.45
January 23	58	34	0.00
January 24	61	36	0.00
January 25	70	37	0.00
January 26	61	35	0.00
January 27	57	34	0.00
January 28	47	34	0.00
January 29	48	33	0.00
January 30	70	33	0.00
January 31	67	37	0.00

February 1989 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	54	36	0.00
February 2	49	37	0.04
February 3	44	29	0.11
February 4	46	26	0.00
February 5	44	27	0.00
February 6	47	24	0.00
February 7	48	25	0.00
February 8	50	35	0.47
February 9	46	37	0.06
February 10	51	32	0.00
February 11	56	31	0.00
February 12	57	33	0.00
February 13	59	29	0.00
February 14	57	30	0.00
February 15	58	30	0.00
February 16	62	37	0.00
February 17	63	39	0.00
February 18	53	46	0.06
February 19	62	37	0.00
February 20	63	42	0.00
February 21	70	42	0.00
February 22	60	36	0.29
February 23	64	38	0.00
February 24	62	39	0.00
February 25	64	39	0.01
February 26	72	39	0.00
February 27	73	32	0.00
February 28	62	35	0.00

March 1989 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	49	35	1.60
March 2	54	31	0.00
March 3	46	38	0.00
March 4	46	39	0.64
March 5	51	43	0.45
March 6	61	48	0.00
March 7	66	50	0.15
March 8	60	54	0.46
March 9	58	51	0.92
March 10	64	53	1.63
March 11	67	42	0.00
March 12	65	42	0.10
March 13	66	37	0.00
March 14	66	37	0.00
March 15	65	39	0.64
March 16	59	43	0.04
March 17	57	44	1.44
March 18	58	49	0.44
March 19	70	44	0.00
March 20	73	47	0.00
March 21	74	46	0.00
March 22	70	47	0.00
March 23	58	48	1.18
March 24	61	51	0.83
March 25	60	36	0.00
March 26	58	43	0.00
March 27	66	48	0.08
March 28	67	42	0.00
March 29	70	39	0.00
March 30	74	43	0.00
March 31	69	43	0.00

April 1989 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	69	43	0.00
April 2	61	46	0.05
April 3	73	45	0.00
April 4	85	48	0.00
April 5	90	51	0.00
April 6	93	56	0.00
April 7	93	54	0.00
April 8	96	53	0.00
April 9	94	48	0.00
April 10	82	45	0.00
April 11	71	51	0.00
April 12	67	50	0.00
April 13	68	51	0.00
April 14	63	51	0.00
April 15	75	51	0.00
April 16	75	52	0.00
April 17	64	52	0.00
April 18	82	51	0.00
April 19	81	52	0.00
April 20	74	52	0.03
April 21	74	41	0.00
April 22	67	48	0.00
April 23	60	34	0.03
April 24	59	37	0.13
April 25	61	41	0.18
April 26	65	40	0.00
April 27	72	40	0.00
April 28	79	45	0.00
April 29	75	51	0.00
April 30	69	45	0.00

May 1989 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	79	46	0.00
May 2	78	51	0.00
May 3	88	51	0.00
May 4	91	55	0.00
May 5	93	56	0.00
May 6	92	58	0.00
May 7	85	54	0.00
May 8	74	50	0.00
May 9	62	51	0.00
May 10	64	45	0.00
May 11	74	43	0.00
May 12	75	42	0.00
May 13	77	45	0.00
May 14	77	51	0.00
May 15	81	51	0.00
May 16	87	52	0.00
May 17	74	49	0.00
May 18	75	44	0.00
May 19	83	43	0.00
May 20	79	43	0.00
May 21	75	42	0.00
May 22	68	48	0.03
May 23	66	42	0.00
May 24	70	49	0.00
May 25	79	49	0.00
May 26	83	50	0.00
May 27	79	46	0.00
May 28	72	47	0.00
May 29	75	46	0.00
May 30	83	47	0.00
May 31	91	54	0.00

June 1989 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	97	54	0.00
June 2	88	52	0.00
June 3	75	53	0.00
June 4	65	55	0.05
June 5	74	52	0.00
June 6	92	58	0.00
June 7	85	54	0.00
June 8	76	54	0.00
June 9	80	53	0.00
June 10	75	52	0.00
June 11	75	53	0.00
June 12	83	45	0.00
June 13	80	50	0.00
June 14	87	43	0.00
June 15	76	45	0.00
June 16	90	48	0.00
June 17	94	54	0.00
June 18	92	48	0.00
June 19	91	48	0.00
June 20	84	58	0.00
June 21	98	69	0.00
June 22	105	58	0.00
June 23	100	58	0.00
June 24	84	56	0.00
June 25	75	53	0.00
June 26	81	53	0.00
June 27	72	53	0.00
June 28	65	55	0.00
June 29	70	56	0.00
June 30	79	48	0.00

July 1989 St. Helena Weather

Day	High (°F)	Low (°F)
July 1	86	47
July 2	90	47
July 3	91	51
July 4	91	50
July 5	99	54
July 6	105	53
July 7	105	61
July 8	97	52
July 9	97	53
July 10	86	54
July 11	77	53
July 12	84	50
July 13	95	51
July 14	86	50
July 15	85	51
July 16	91	60
July 17	98	63
July 18	101	60
July 19	100	57
July 20	93	55
July 21	91	54
July 22	92	51
July 23	88	51
July 24	90	52
July 25	90	50
July 26	92	51
July 27	89	56
July 28	85	55
July 29	89	56
July 30	89	54
July 31	91	55

August 1989 St. Helena Weather

Day	High (°F)	Low (°F)
August 1	90	52
August 2	90	58
August 3	91	58
August 4	91	54
August 5	92	51
August 6	93	56
August 7	92	60
August 8	92	57
August 9	85	55
August 10	82	51
August 11	86	52
August 12	87	54
August 13	99	54
August 14	100	54
August 15	93	55
August 16	80	55
August 17	81	54
August 18	84	53
August 19	84	54
August 20	82	55
August 21	71	55
August 22	82	55
August 23	86	54
August 24	90	51
August 25	91	50
August 26	82	53
August 27	85	52
August 28	86	52
August 29	75	51
August 30	84	51
August 31	90	53

September 1989 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	90	49	0.00
September 2	90	56	0.00
September 3	94	50	0.00
September 4	90	50	0.00
September 5	85	n/a	0.00
September 6	n/a	51	0.00
September 7	85	52	0.00
September 8	85	51	0.00
September 9	82	52	0.00
September 10	78	52	0.00
September 11	78	51	0.00
September 12	89	52	0.00
September 13	96	54	0.00
September 14	94	53	0.00
September 15	88	55	0.41
September 16	59	55	0.84
September 17	62	53	0.28
September 18	62	45	0.02
September 19	75	46	0.00
September 20	78	47	0.00
September 21	88	52	0.00
September 22	95	58	0.00
September 23	73	53	0.00
September 24	76	52	0.00
September 25	78	54	0.00
September 26	74	48	0.00
September 27	77	48	0.00
September 28	70	51	0.25
September 29	72	53	0.00
September 30	76	50	0.00

October 1989 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	72	54	0.00
October 2	70	44	0.00
October 3	76	44	0.00
October 4	81	44	0.00
October 5	84	47	0.00
October 6	82	45	0.00
October 7	83	48	0.00
October 8	90	50	0.00
October 9	90	47	0.00
October 10	86	48	0.00
October 11	80	46	0.00
October 12	73	41	0.00
October 13	75	43	0.00
October 14	76	47	0.00
October 15	75	45	0.00
October 16	79	45	0.00
October 17	88	48	0.00
October 18	85	46	0.00
October 19	85	51	0.00
October 20	64	51	0.18
October 21	62	57	1.03
October 22	64	56	1.80
October 23	60	50	0.23
October 24	64	45	0.12
October 25	63	40	0.00
October 26	60	42	0.00
October 27	66	43	0.00
October 28	67	49	0.00
October 29	68	36	0.00
October 30	73	36	0.00
October 31	72	38	0.00

November 1989 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	74	41	0.00
November 2	77	39	0.00
November 3	74	42	0.00
November 4	73	42	0.00
November 5	67	38	0.00
November 6	65	41	0.00
November 7	69	38	0.00
November 8	72	39	0.00
November 9	76	41	0.00
November 10	77	43	0.00
November 11	76	43	0.00
November 12	60	43	0.00
November 13	62	43	0.00
November 14	76	39	0.00
November 15	63	37	0.00
November 16	78	41	0.00
November 17	80	43	0.00
November 18	78	42	0.00
November 19	79	40	0.00
November 20	73	38	0.00
November 21	73	n/a	0.00
November 22	52	44	0.00
November 23	54	45	0.00
November 24	61	45	0.00
November 25	55	41	1.96
November 26	56	34	0.00
November 27	62	36	0.00
November 28	62	34	0.00
November 29	63	35	0.00
November 30	64	36	0.00

December 1989 St. Helena Weather

Day	High (°F)	Low (°F)
December 1	66	37
December 2	67	37
December 3	64	39
December 4	66	40
December 5	69	43
December 6	74	36
December 7	63	35
December 8	59	38
December 9	67	36
December 10	n/a	36
December 11	62	32
December 12	62	30
December 13	57	30
December 14	61	31
December 15	61	33
December 16	60	28
December 17	51	30
December 18	56	30
December 19	55	30
December 20	43	31
December 21	52	32
December 22	51	30
December 23	51	30
December 24	49	29
December 25	52	27
December 26	53	27
December 27	44	28
December 28	58	31
December 29	70	40
December 30	58	33
December 31	54	34

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Weather Station Details

Years	Station	Coordinates
1907–2023	Saint Helena	location