St. Helena Weather in 1917

Historical record of St. Helena, California weather for the year 1917 based on NOAA data.

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1917 St. Helena Weather Extremes
Highest temperature	106 °F	July 20
Lowest temperature	25 °F	February 1
Highest daily low	69 °F	September 10
Lowest daily high	44 °F	January 16
Most daily precipitation	3.6 inches	February 24

What was the hottest temperature in St. Helena in 1917?

The highest temperature recorded in St. Helena, California in 1917 was 106 °F which happened on July 20.

Highest Temperatures: All-Time By Year

Highest Temperatures in St. Helena in 1917

Rank	Temperature	Date
1	106 °F	Jul 20
2	105 °F	Sep 16
2	105 °F	Jul 19
4	104 °F	Oct 3
5	103 °F	Sep 17
5	103 °F	Sep 15
5	103 °F	Jul 21
5	103 °F	Jun 18
9	102 °F	Sep 28
9	102 °F	Jul 22
9	102 °F	Jun 19

What was the coldest temperature in St. Helena in 1917?

The lowest temperature recorded in St. Helena, California in 1917 was 25 °F which happened on Feb 1.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in St. Helena in 1917

Rank	Temperature	Date
1	25 °F	February 1
2	26 °F	January 19
3	27 °F	January 31
4	28 °F	December 14
4	28 °F	January 27
4	28 °F	January 26
4	28 °F	January 17
8	29 °F	December 11
8	29 °F	February 2
8	29 °F	January 23
8	29 °F	January 9

January 1917 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	48	33	0.00
January 2	46	39	1.32
January 3	55	32	0.13
January 4	53	31	0.00
January 5	55	44	0.86
January 6	57	34	0.00
January 7	58	31	0.00
January 8	59	34	0.00
January 9	56	29	0.00
January 10	57	31	0.00
January 11	58	32	0.00
January 12	59	33	0.00
January 13	56	32	0.00
January 14	51	31	0.00
January 15	47	32	0.00
January 16	44	32	0.00
January 17	49	28	0.00
January 18	60	34	0.00
January 19	55	26	0.00
January 20	64	38	0.00
January 21	62	36	0.00
January 22	60	32	0.00
January 23	58	29	0.00
January 24	62	33	0.00
January 25	64	31	0.00
January 26	61	28	0.00
January 27	52	28	0.00
January 28	54	36	0.00
January 29	54	43	0.41
January 30	52	43	0.16
January 31	51	27	0.00

February 1917 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	55	25	0.00
February 2	60	29	0.00
February 3	67	34	0.00
February 4	68	34	0.00
February 5	69	38	0.00
February 6	74	46	0.00
February 7	69	34	0.00
February 8	68	33	0.00
February 9	56	37	0.00
February 10	56	33	0.00
February 11	61	45	0.18
February 12	66	42	0.22
February 13	66	34	0.00
February 14	74	35	0.00
February 15	75	35	0.00
February 16	76	39	0.00
February 17	55	35	0.00
February 18	52	30	0.00
February 19	53	39	0.71
February 20	54	42	0.02
February 21	56	45	3.45
February 22	54	44	0.03
February 23	54	44	0.88
February 24	56	45	3.60
February 25	52	43	1.05
February 26	53	42	0.52
February 27	56	32	0.00
February 28	57	30	0.00

March 1917 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	58	38	0.00
March 2	62	33	0.00
March 3	64	32	0.00
March 4	57	33	0.00
March 5	63	42	0.00
March 6	66	39	0.00
March 7	65	31	0.00
March 8	55	35	0.00
March 9	55	36	1.17
March 10	54	32	0.06
March 11	56	30	0.02
March 12	59	35	0.00
March 13	53	41	0.39
March 14	54	33	0.00
March 15	58	31	0.00
March 16	63	32	0.00
March 17	64	34	0.00
March 18	66	36	0.00
March 19	65	37	0.00
March 20	64	38	0.00
March 21	66	46	0.00
March 22	62	33	0.00
March 23	67	34	0.00
March 24	72	39	0.00
March 25	75	40	0.00
March 26	74	43	0.00
March 27	80	45	0.00
March 28	76	46	0.00
March 29	63	50	0.05
March 30	56	34	0.00
March 31	62	32	0.00

April 1917 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	65	40	0.00
April 2	69	41	0.00
April 3	78	39	0.00
April 4	82	45	0.00
April 5	81	40	0.00
April 6	80	43	0.00
April 7	71	39	0.00
April 8	62	43	0.04
April 9	65	34	0.00
April 10	66	35	0.00
April 11	63	51	0.71
April 12	65	47	0.02
April 13	65	38	0.00
April 14	59	38	0.00
April 15	58	34	0.00
April 16	63	33	0.00
April 17	62	35	0.00
April 18	67	33	0.00
April 19	69	33	0.00
April 20	71	39	0.00
April 21	79	49	0.00
April 22	66	52	0.68
April 23	75	53	0.00
April 24	78	54	0.05
April 25	81	46	0.00
April 26	82	45	0.00
April 27	79	52	0.00
April 28	74	46	0.00
April 29	75	49	0.00
April 30	69	40	0.00

May 1917 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	70	41	0.00
May 2	71	41	0.00
May 3	72	42	0.00
May 4	78	38	0.00
May 5	85	41	0.00
May 6	81	56	0.00
May 7	79	45	0.00
May 8	85	56	0.00
May 9	73	45	0.18
May 10	72	50	0.14
May 11	68	48	0.09
May 12	69	50	0.00
May 13	72	39	0.00
May 14	67	39	0.00
May 15	66	40	0.00
May 16	73	41	0.00
May 17	70	51	0.03
May 18	71	40	0.00
May 19	70	41	0.00
May 20	77	43	0.00
May 21	78	43	0.00
May 22	78	42	0.00
May 23	79	42	0.00
May 24	74	50	0.00
May 25	64	47	0.00
May 26	71	43	0.00
May 27	70	48	0.00
May 28	69	49	0.00
May 29	65	51	0.00
May 30	79	49	0.00
May 31	85	48	0.00

June 1917 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	81	48	n/a
June 2	82	44	n/a
June 3	78	44	n/a
June 4	80	43	n/a
June 5	75	48	n/a
June 6	76	45	n/a
June 7	85	48	n/a
June 8	85	48	n/a
June 9	78	49	n/a
June 10	79	45	n/a
June 11	82	48	n/a
June 12	88	50	n/a
June 13	88	45	n/a
June 14	94	43	n/a
June 15	100	45	n/a
June 16	97	54	n/a
June 17	99	50	n/a
June 18	103	51	n/a
June 19	102	59	n/a
June 20	98	64	n/a
June 21	88	56	n/a
June 22	89	48	n/a
June 23	90	49	n/a
June 24	86	50	n/a
June 25	79	48	n/a
June 26	84	43	n/a
June 27	89	45	n/a
June 28	82	48	n/a
June 29	86	48	n/a
June 30	96	48	n/a

July 1917 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	101	52	n/a
July 2	94	54	n/a
July 3	81	53	n/a
July 4	89	54	n/a
July 5	82	54	n/a
July 6	n/a	54	n/a
July 7	88	54	n/a
July 8	81	53	n/a
July 9	87	47	n/a
July 10	100	53	n/a
July 11	100	49	n/a
July 12	92	51	n/a
July 13	90	53	n/a
July 14	90	56	n/a
July 15	91	55	n/a
July 16	85	56	n/a
July 17	90	n/a	n/a
July 18	94	54	n/a
July 19	105	50	n/a
July 20	106	54	n/a
July 21	103	55	n/a
July 22	102	50	n/a
July 23	97	57	n/a
July 24	94	48	n/a
July 25	87	48	n/a
July 26	87	46	n/a
July 27	88	45	n/a
July 28	82	44	n/a
July 29	82	53	n/a
July 30	94	48	n/a
July 31	93	51	n/a

August 1917 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	84	56	n/a
August 2	85	57	n/a
August 3	86	53	n/a
August 4	88	44	n/a
August 5	91	45	n/a
August 6	89	43	n/a
August 7	91	50	n/a
August 8	84	49	n/a
August 9	84	46	n/a
August 10	93	50	n/a
August 11	83	49	n/a
August 12	82	49	n/a
August 13	81	57	n/a
August 14	84	48	n/a
August 15	83	46	n/a
August 16	80	51	n/a
August 17	86	49	n/a
August 18	87	50	n/a
August 19	87	49	n/a
August 20	92	55	n/a
August 21	84	53	n/a
August 22	94	53	n/a
August 23	87	48	n/a
August 24	89	58	n/a
August 25	88	57	n/a
August 26	83	51	n/a
August 27	84	51	n/a
August 28	82	53	n/a
August 29	85	46	n/a
August 30	80	47	n/a
August 31	80	49	n/a

September 1917 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	81	50	0.00
September 2	81	47	0.00
September 3	83	44	0.00
September 4	85	n/a	0.00
September 5	85	n/a	0.00
September 6	83	45	0.00
September 7	87	47	0.00
September 8	89	46	0.00
September 9	87	52	0.00
September 10	88	69	0.00
September 11	91	47	0.00
September 12	85	45	0.00
September 13	86	51	0.00
September 14	98	53	0.00
September 15	103	66	0.00
September 16	105	55	0.00
September 17	103	50	0.00
September 18	97	46	0.00
September 19	85	43	0.00
September 20	n/a	40	0.00
September 21	68	41	0.04
September 22	n/a	n/a	0.15
September 23	78	42	0.00
September 24	86	46	0.00
September 25	94	n/a	0.00
September 26	97	58	0.00
September 27	97	49	0.00
September 28	102	n/a	0.00
September 29	97	53	0.00
September 30	83	50	0.00

October 1917 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	84	46	n/a
October 2	95	41	n/a
October 3	104	41	n/a
October 4	94	54	n/a
October 5	87	53	n/a
October 6	n/a	41	n/a
October 7	85	46	n/a
October 8	n/a	44	n/a
October 9	92	44	n/a
October 10	81	43	n/a
October 11	80	45	n/a
October 12	n/a	42	n/a
October 13	73	45	n/a
October 14	73	45	n/a
October 15	74	54	n/a
October 16	75	43	n/a
October 17	81	38	n/a
October 18	86	57	n/a
October 19	88	37	n/a
October 20	92	41	n/a
October 21	92	41	n/a
October 22	91	41	n/a
October 23	81	38	n/a
October 24	78	36	n/a
October 25	95	45	n/a
October 26	92	63	n/a
October 27	82	39	n/a
October 28	78	43	n/a
October 29	74	33	n/a
October 30	n/a	36	n/a
October 31	84	37	n/a

November 1917 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	80	41	0.00
November 2	78	53	0.00
November 3	65	48	0.03
November 4	75	49	0.00
November 5	71	49	0.19
November 6	69	36	0.00
November 7	67	35	0.00
November 8	66	38	0.14
November 9	68	41	0.00
November 10	72	50	0.00
November 11	69	49	0.30
November 12	74	40	0.14
November 13	75	38	0.00
November 14	74	40	0.00
November 15	75	35	0.00
November 16	n/a	35	0.00
November 17	78	35	0.00
November 18	79	35	0.00
November 19	76	34	0.00
November 20	78	32	0.00
November 21	84	33	0.00
November 22	74	34	0.00
November 23	72	50	0.00
November 24	64	39	0.00
November 25	62	40	0.00
November 26	61	38	0.00
November 27	63	33	0.00
November 28	66	36	0.00
November 29	65	44	0.00
November 30	60	54	0.15

December 1917 St. Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	59	39	0.60
December 2	61	38	0.00
December 3	66	36	0.00
December 4	67	34	0.00
December 5	66	32	0.00
December 6	67	31	0.00
December 7	72	51	0.00
December 8	73	35	0.00
December 9	70	31	0.00
December 10	69	30	0.00
December 11	71	29	0.00
December 12	71	31	0.00
December 13	68	31	0.00
December 14	64	28	0.00
December 15	64	31	0.00
December 16	65	44	0.13
December 17	60	43	0.00
December 18	58	48	0.00
December 19	59	38	0.00
December 20	53	39	0.00
December 21	49	33	0.00
December 22	52	30	0.00
December 23	54	40	0.00
December 24	61	46	0.00
December 25	57	46	0.81
December 26	61	52	0.57
December 27	69	55	0.05
December 28	68	41	0.00
December 29	64	44	0.00
December 30	54	44	0.00
December 31	53	42	0.00

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Weather Station Details

Years	Station	Coordinates
1907–2023	Saint Helena	location