St. Helena Weather in 2023

Historical record of St. Helena, California weather for the year 2023 based on NOAA data.

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2023 St. Helena Weather Extremes
note: data for this year is incomplete
Highest temperature	91 °F	April 29
Lowest temperature	29 °F	February 23
Highest daily low	55 °F	April 23
Lowest daily high	46 °F	February 24
Most daily precipitation	2.3 inches	January 14
Total annual precipitation	30.7 inches	-

Highest Temperatures in St. Helena in 2023

Lowest Temperatures in St. Helena in 2023

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	61	43	1.50
January 2	57	40	0.25
January 3	57	39	0.20
January 4	55	43	1.30
January 5	56	50	1.30
January 6	56	45	0.00
January 7	56	45	0.27
January 8	58	45	1.19
January 9	60	51	2.15
January 10	59	44	1.20
January 11	54	46	0.63
January 12	62	49	0.14
January 13	62	51	0.35
January 14	62	51	2.30
January 15	53	43	0.61
January 16	57	37	0.00
January 17	57	35	0.00
January 18	55	34	0.00
January 19	n/a	n/a	0.00
January 20	57	36	0.00
January 21	59	35	0.00
January 22	60	30	0.00
January 23	66	48	0.00
January 24	71	48	0.00
January 25	72	38	0.00
January 26	74	54	0.00
January 27	70	37	0.00
January 28	61	35	0.00
January 29	59	40	0.08
January 30	56	37	0.00
January 31	n/a	n/a	0.00

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	61	31	0.00
February 2	59	32	0.00
February 3	58	44	0.00
February 4	55	47	0.40
February 5	56	46	0.55
February 6	62	35	0.00
February 7	65	35	0.00
February 8	66	36	0.00
February 9	67	36	0.00
February 10	n/a	n/a	0.00
February 11	73	38	0.00
February 12	69	38	0.00
February 13	53	38	0.00
February 14	75	38	0.00
February 15	61	34	0.00
February 16	64	34	0.00
February 17	65	34	0.00
February 18	68	31	0.00
February 19	71	39	0.00
February 20	71	30	0.00
February 21	68	43	0.00
February 22	52	37	0.00
February 23	49	29	0.00
February 24	46	36	1.50
February 25	49	43	0.00
February 26	49	36	0.45
February 27	n/a	n/a	0.00
February 28	51	33	1.50

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	55	33	0.07
March 2	61	36	0.00
March 3	61	35	0.00
March 4	60	41	0.38
March 5	55	38	0.75
March 6	52	36	0.11
March 7	53	31	0.10
March 8	56	41	0.28
March 9	57	37	0.75
March 10	61	47	2.10
March 11	59	44	0.30
March 12	60	51	1.65
March 13	61	52	0.01
March 14	61	53	1.73
March 15	65	39	0.00
March 16	67	36	0.00
March 17	67	39	0.00
March 18	67	41	0.00
March 19	67	42	0.64
March 20	59	44	0.00
March 21	59	43	0.95
March 22	57	45	0.00
March 23	61	45	0.00
March 24	60	38	0.00
March 25	62	37	0.00
March 26	62	35	0.00
March 27	63	33	0.00
March 28	63	33	1.96
March 29	50	41	0.55
March 30	60	38	0.04
March 31	61	38	0.00

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	59	37	0.00
April 2	63	36	0.00
April 3	60	38	0.00
April 4	64	35	0.00
April 5	64	35	0.00
April 6	63	39	0.00
April 7	60	49	0.50
April 8	67	45	0.00
April 9	78	42	0.00
April 10	78	47	0.00
April 11	78	42	0.00
April 12	78	42	0.00
April 13	72	44	0.00
April 14	69	39	0.00
April 15	68	43	0.00
April 16	71	40	0.00
April 17	64	43	0.00
April 18	61	39	0.00
April 19	71	39	0.00
April 20	77	39	0.00
April 21	84	50	0.00
April 22	85	54	0.00
April 23	85	55	0.00
April 24	83	50	0.00
April 25	88	46	0.00
April 26	89	47	0.00
April 27	91	51	0.00
April 28	90	52	0.00
April 29	91	49	0.00
April 30	77	46	0.00

Years	Station	Coordinates
1907–2023	Saint Helena	location