Half Moon Bay Weather in 1975

Historical record of Half Moon Bay, California weather for the year 1975 based on NOAA data.

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1975 Half Moon Bay Weather Extremes
Highest temperature	79 °F	August 1
Lowest temperature	30 °F	January 30
Highest daily low	56 °F	September 10
Lowest daily high	46 °F	January 29
Most daily precipitation	1.4 inches	October 26
Most daily snow	none	-
Total annual precipitation	24.6 inches	-
Total annual snow	none	-

What was the hottest temperature in Half Moon Bay in 1975?

The highest temperature recorded in Half Moon Bay, California in 1975 was 79 °F which happened on August 1.

Highest Temperatures: All-Time By Year

Highest Temperatures in Half Moon Bay in 1975

Rank	Temperature	Date
1	79 °F	Aug 1
2	78 °F	May 25
3	75 °F	Nov 25
4	73 °F	May 26
5	70 °F	Nov 24
5	70 °F	Sep 4
5	70 °F	Jan 21
5	70 °F	Jan 18
5	70 °F	Jan 17
10	69 °F	Aug 2

What was the coldest temperature in Half Moon Bay in 1975?

The lowest temperature recorded in Half Moon Bay, California in 1975 was 30 °F which happened on Jan 30.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Half Moon Bay in 1975

Rank	Temperature	Date
1	30 °F	January 30
2	31 °F	January 28
2	31 °F	January 27
4	33 °F	January 29
5	35 °F	January 3
6	36 °F	December 15
6	36 °F	April 15
6	36 °F	April 6
6	36 °F	March 29
6	36 °F	January 31
6	36 °F	January 4
6	36 °F	January 1

January 1975 Half Moon Bay Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	n/a	36	0.00
January 2	n/a	37	0.00
January 3	n/a	35	0.00
January 4	56	36	0.23
January 5	54	38	0.01
January 6	54	48	0.79
January 7	54	49	0.04
January 8	52	42	0.65
January 9	50	41	0.00
January 10	55	45	0.25
January 11	58	42	0.00
January 12	60	41	0.00
January 13	67	42	0.00
January 14	62	52	0.00
January 15	63	43	0.00
January 16	66	45	0.00
January 17	70	47	0.00
January 18	70	48	0.00
January 19	65	41	0.00
January 20	65	42	0.00
January 21	70	41	0.00
January 22	64	45	0.00
January 23	59	45	0.00
January 24	59	40	0.00
January 25	61	41	0.00
January 26	58	42	0.00
January 27	51	31	0.00
January 28	52	31	0.10
January 29	46	33	0.04
January 30	51	30	0.00
January 31	48	36	0.84

February 1975 Half Moon Bay Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	53	45	0.25
February 2	52	46	0.30
February 3	53	45	0.13
February 4	53	44	0.46
February 5	56	45	0.02
February 6	55	49	0.05
February 7	56	51	0.30
February 8	59	53	0.08
February 9	58	52	0.74
February 10	56	51	0.61
February 11	55	42	0.00
February 12	55	47	0.03
February 13	55	50	1.19
February 14	52	46	0.00
February 15	54	38	0.00
February 16	51	47	0.00
February 17	53	40	0.00
February 18	54	37	0.00
February 19	53	51	0.58
February 20	53	48	0.14
February 21	58	49	0.00
February 22	61	43	0.00
February 23	59	39	0.00
February 24	65	39	0.00
February 25	62	38	0.00
February 26	59	39	0.00
February 27	59	49	0.00
February 28	56	46	0.00

March 1975 Half Moon Bay Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	55	49	0.03
March 2	58	42	0.00
March 3	68	43	0.01
March 4	66	45	0.00
March 5	55	49	0.12
March 6	59	49	0.05
March 7	59	51	1.13
March 8	57	49	0.00
March 9	55	49	0.00
March 10	55	48	0.57
March 11	57	47	0.00
March 12	n/a	40	0.00
March 13	54	40	1.06
March 14	54	37	0.04
March 15	51	44	0.00
March 16	54	43	0.80
March 17	55	39	0.00
March 18	59	52	0.00
March 19	56	51	0.17
March 20	55	37	0.00
March 21	51	39	0.86
March 22	54	44	1.29
March 23	56	45	0.01
March 24	56	48	0.20
March 25	53	49	0.77
March 26	54	46	0.00
March 27	52	42	0.00
March 28	56	43	0.00
March 29	65	36	0.00
March 30	58	38	0.00
March 31	55	40	0.00

April 1975 Half Moon Bay Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	54	41	0.00
April 2	56	46	0.00
April 3	54	43	0.21
April 4	52	45	0.24
April 5	52	41	0.97
April 6	52	36	0.10
April 7	52	46	0.04
April 8	n/a	40	0.06
April 9	55	38	0.00
April 10	55	47	0.00
April 11	56	39	0.00
April 12	56	41	0.00
April 13	51	48	0.00
April 14	52	47	0.03
April 15	52	36	0.01
April 16	56	39	0.05
April 17	55	38	0.00
April 18	57	48	0.00
April 19	56	49	0.03
April 20	58	48	0.00
April 21	56	48	0.00
April 22	54	48	0.00
April 23	56	45	0.00
April 24	55	50	0.34
April 25	54	44	0.05
April 26	55	37	0.01
April 27	58	43	0.00
April 28	58	41	0.00
April 29	55	41	0.00
April 30	54	48	0.00

May 1975 Half Moon Bay Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	52	46	0.00
May 2	57	47	0.00
May 3	58	49	0.07
May 4	54	45	0.00
May 5	55	39	0.00
May 6	56	47	0.00
May 7	58	47	0.00
May 8	58	47	0.02
May 9	57	47	0.00
May 10	61	43	0.00
May 11	68	43	0.00
May 12	67	42	0.00
May 13	61	45	0.00
May 14	55	50	0.00
May 15	60	50	0.00
May 16	55	50	0.00
May 17	59	48	0.00
May 18	57	46	0.01
May 19	58	51	0.00
May 20	57	47	0.00
May 21	59	40	0.00
May 22	59	48	0.00
May 23	60	47	0.00
May 24	62	43	0.00
May 25	78	42	0.00
May 26	73	45	0.00
May 27	61	46	0.00
May 28	66	47	0.00
May 29	n/a	50	0.00
May 30	57	50	0.00
May 31	56	50	0.00

June 1975 Half Moon Bay Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	60	50	0.01
June 2	58	50	0.00
June 3	62	51	0.02
June 4	60	47	0.00
June 5	56	49	0.00
June 6	56	52	0.02
June 7	60	49	0.00
June 8	62	50	0.00
June 9	62	50	0.00
June 10	61	52	0.00
June 11	58	53	0.00
June 12	62	52	0.00
June 13	61	52	0.00
June 14	61	54	0.00
June 15	57	55	0.00
June 16	56	51	0.00
June 17	60	53	0.00
June 18	58	50	0.00
June 19	57	50	0.12
June 20	55	50	0.01
June 21	58	50	0.00
June 22	57	50	0.00
June 23	60	51	0.01
June 24	62	51	0.09
June 25	60	42	0.00
June 26	60	50	0.00
June 27	62	43	0.00
June 28	59	43	0.00
June 29	59	45	0.00
June 30	60	51	0.00

July 1975 Half Moon Bay Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	60	51	0.00
July 2	57	52	0.00
July 3	60	52	0.00
July 4	58	n/a	0.00
July 5	63	46	0.00
July 6	61	48	0.00
July 7	63	52	0.02
July 8	59	53	0.00
July 9	60	51	0.00
July 10	58	51	0.02
July 11	54	50	0.04
July 12	57	48	0.00
July 13	58	44	0.00
July 14	57	51	0.01
July 15	68	54	0.24
July 16	63	53	0.00
July 17	58	53	0.00
July 18	62	54	0.04
July 19	62	50	0.04
July 20	61	54	0.03
July 21	62	55	0.00
July 22	63	53	0.00
July 23	68	53	0.00
July 24	68	53	0.00
July 25	66	48	0.01
July 26	66	48	0.00
July 27	62	46	0.00
July 28	62	54	0.01
July 29	62	55	0.06
July 30	64	53	0.00
July 31	67	45	0.00

August 1975 Half Moon Bay Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	79	47	0.00
August 2	69	48	0.00
August 3	65	48	0.00
August 4	64	53	0.00
August 5	64	52	0.01
August 6	63	54	0.00
August 7	65	44	0.00
August 8	66	41	0.00
August 9	62	41	0.00
August 10	58	52	0.00
August 11	57	50	0.00
August 12	59	52	0.01
August 13	61	53	0.00
August 14	58	51	0.03
August 15	56	51	0.00
August 16	58	48	0.03
August 17	64	52	0.07
August 18	63	56	0.36
August 19	61	53	0.01
August 20	61	50	0.00
August 21	62	51	0.03
August 22	63	54	0.00
August 23	65	48	0.01
August 24	63	56	0.01
August 25	58	53	0.02
August 26	59	53	0.00
August 27	63	56	0.00
August 28	67	56	0.00
August 29	65	51	0.00
August 30	65	55	0.00
August 31	65	54	0.00

September 1975 Half Moon Bay Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	65	54	0.00
September 2	66	40	0.00
September 3	68	46	0.00
September 4	70	51	0.00
September 5	65	50	0.00
September 6	61	51	0.00
September 7	59	52	0.00
September 8	57	54	0.00
September 9	62	54	0.02
September 10	62	56	0.00
September 11	63	55	0.00
September 12	62	54	0.00
September 13	67	55	0.00
September 14	68	50	0.00
September 15	64	49	0.00
September 16	61	54	0.00
September 17	61	53	0.00
September 18	65	55	0.00
September 19	63	55	0.00
September 20	63	53	0.00
September 21	59	53	0.00
September 22	61	53	0.00
September 23	67	48	0.00
September 24	63	49	0.00
September 25	61	45	0.00
September 26	58	46	0.00
September 27	60	50	0.00
September 28	61	51	0.00
September 29	57	51	0.00
September 30	58	50	0.00

October 1975 Half Moon Bay Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	61	52	0.00
October 2	63	54	0.00
October 3	63	47	0.00
October 4	62	49	0.00
October 5	61	42	0.01
October 6	60	48	0.08
October 7	64	47	0.01
October 8	61	44	0.00
October 9	63	46	0.35
October 10	61	54	0.72
October 11	61	49	0.68
October 12	61	49	0.00
October 13	63	54	0.00
October 14	60	46	0.00
October 15	65	46	0.00
October 16	63	48	0.00
October 17	58	46	0.00
October 18	63	53	0.00
October 19	67	45	0.00
October 20	64	48	0.00
October 21	64	53	0.00
October 22	63	52	0.00
October 23	60	45	0.00
October 24	64	43	0.00
October 25	61	42	0.00
October 26	58	48	1.35
October 27	59	44	0.03
October 28	64	46	0.00
October 29	60	40	0.00
October 30	60	45	1.26
October 31	64	41	0.00

November 1975 Half Moon Bay Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	59	43	0.00
November 2	67	45	0.00
November 3	66	43	0.00
November 4	58	43	0.00
November 5	62	48	0.00
November 6	61	44	0.13
November 7	58	46	0.09
November 8	59	49	0.03
November 9	58	37	0.00
November 10	58	48	0.35
November 11	61	38	0.00
November 12	66	43	0.00
November 13	65	50	0.00
November 14	61	44	0.00
November 15	60	46	0.09
November 16	57	48	0.05
November 17	55	37	0.00
November 18	56	40	0.00
November 19	58	39	0.00
November 20	59	46	0.00
November 21	60	39	0.00
November 22	61	40	0.07
November 23	65	40	0.00
November 24	70	43	0.00
November 25	75	49	0.00
November 26	68	43	0.00
November 27	54	46	0.04
November 28	52	45	0.00
November 29	52	40	0.00
November 30	55	38	0.00

December 1975 Half Moon Bay Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	60	42	0.00
December 2	67	45	0.00
December 3	53	42	0.00
December 4	54	40	0.00
December 5	58	47	0.02
December 6	n/a	n/a	0.00
December 7	n/a	n/a	0.00
December 8	68	43	0.00
December 9	64	n/a	0.00
December 10	52	49	0.00
December 11	53	44	0.00
December 12	54	46	0.22
December 13	52	42	0.02
December 14	53	38	0.00
December 15	55	36	0.00
December 16	64	46	0.00
December 17	60	42	0.00
December 18	64	47	0.00
December 19	62	37	0.00
December 20	51	38	0.00
December 21	58	40	0.21
December 22	55	49	0.22
December 23	n/a	n/a	0.00
December 24	56	48	0.00
December 25	60	44	0.00
December 26	56	41	0.00
December 27	63	46	0.00
December 28	65	42	0.00
December 29	n/a	n/a	0.00
December 30	64	43	0.00
December 31	52	40	0.00

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Weather Station Details

Years	Station	Coordinates
1939–2024	Half Moon Bay	location