Half Moon Bay Weather in 2004

Historical record of Half Moon Bay, California weather for the year 2004 based on NOAA data.

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2004 Half Moon Bay Weather Extremes
Highest temperature	88 °F	October 13
Lowest temperature	31 °F	December 4
Highest daily low	64 °F	August 22
Lowest daily high	52 °F	December 28
Most daily precipitation	2.9 inches	December 27
Most daily snow	none	-
Total annual precipitation	27.2 inches	-
Total annual snow	none	-

What was the hottest temperature in Half Moon Bay in 2004?

The highest temperature recorded in Half Moon Bay, California in 2004 was 88 °F which happened on October 13.

Highest Temperatures: All-Time By Year

Highest Temperatures in Half Moon Bay in 2004

Rank	Temperature	Date
1	88 °F	Oct 13
2	86 °F	Oct 14
2	86 °F	Oct 12
4	83 °F	Aug 8
4	83 °F	Mar 17
6	82 °F	Mar 10
7	80 °F	Sep 6
7	80 °F	Apr 27
9	79 °F	Mar 8
10	78 °F	May 2
10	78 °F	Apr 30

What was the coldest temperature in Half Moon Bay in 2004?

The lowest temperature recorded in Half Moon Bay, California in 2004 was 31 °F which happened 3 different times.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Half Moon Bay in 2004

Rank	Temperature	Date
1	31 °F	December 4
1	31 °F	February 17
1	31 °F	January 4
4	32 °F	December 2
4	32 °F	November 30
4	32 °F	February 11
4	32 °F	February 8
4	32 °F	January 22
4	32 °F	January 3
10	33 °F	December 25
10	33 °F	February 12

January 2004 Half Moon Bay Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	57	44	1.43
January 2	55	37	0.45
January 3	52	32	0.39
January 4	52	31	0.01
January 5	56	37	0.00
January 6	57	43	0.00
January 7	57	47	0.03
January 8	63	53	0.00
January 9	67	50	0.00
January 10	61	54	0.33
January 11	63	51	0.00
January 12	62	44	0.00
January 13	60	46	0.01
January 14	62	44	0.01
January 15	60	46	0.02
January 16	58	48	0.02
January 17	57	43	0.00
January 18	59	48	0.00
January 19	61	45	0.00
January 20	57	49	0.01
January 21	59	39	0.00
January 22	63	32	0.01
January 23	62	35	0.00
January 24	57	45	0.32
January 25	58	36	0.00
January 26	55	37	0.00
January 27	57	42	0.09
January 28	59	40	0.04
January 29	58	48	0.00
January 30	55	48	0.16
January 31	59	35	0.00

February 2004 Half Moon Bay Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	55	39	0.01
February 2	54	45	0.16
February 3	56	45	0.98
February 4	55	48	0.38
February 5	57	37	0.02
February 6	60	39	0.01
February 7	60	37	0.11
February 8	55	32	0.01
February 9	63	34	0.00
February 10	64	36	0.00
February 11	67	32	0.00
February 12	59	33	0.00
February 13	60	37	0.01
February 14	63	42	0.07
February 15	61	42	0.00
February 16	60	49	0.35
February 17	61	31	0.05
February 18	63	39	1.67
February 19	58	40	0.01
February 20	56	46	0.27
February 21	59	40	0.01
February 22	59	46	0.11
February 23	58	41	0.01
February 24	61	40	0.19
February 25	64	43	0.70
February 26	60	48	0.98
February 27	61	45	0.25
February 28	57	39	0.01
February 29	n/a	50	0.00

March 2004 Half Moon Bay Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	58	50	0.08
March 2	57	39	0.35
March 3	63	42	0.00
March 4	59	38	0.01
March 5	58	39	0.00
March 6	58	43	0.00
March 7	61	45	0.02
March 8	79	47	0.00
March 9	70	49	0.00
March 10	82	44	0.01
March 11	72	40	0.01
March 12	65	41	0.01
March 13	60	45	0.00
March 14	62	41	0.00
March 15	65	42	0.02
March 16	73	45	0.01
March 17	83	42	0.01
March 18	69	40	0.01
March 19	67	38	0.01
March 20	62	52	0.00
March 21	61	49	0.00
March 22	56	51	0.05
March 23	61	52	0.00
March 24	63	n/a	0.00
March 25	63	45	0.00
March 26	59	38	0.53
March 27	61	47	0.23
March 28	62	42	0.01
March 29	77	44	0.01
March 30	58	n/a	0.01
March 31	58	38	0.00

April 2004 Half Moon Bay Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	58	35	0.00
April 2	64	43	0.00
April 3	71	36	0.00
April 4	61	46	0.00
April 5	58	51	0.00
April 6	60	49	0.00
April 7	59	42	0.00
April 8	62	49	0.01
April 9	56	49	0.00
April 10	56	43	0.00
April 11	56	47	0.02
April 12	56	49	0.00
April 13	59	42	0.00
April 14	63	46	0.00
April 15	64	43	0.00
April 16	n/a	n/a	0.00
April 17	62	39	0.00
April 18	61	40	0.00
April 19	60	44	0.02
April 20	58	44	0.11
April 21	64	53	0.09
April 22	n/a	n/a	0.04
April 23	70	39	0.01
April 24	65	45	0.00
April 25	60	42	0.01
April 26	68	45	0.00
April 27	80	46	0.00
April 28	74	54	0.00
April 29	71	39	0.00
April 30	78	49	0.00

May 2004 Half Moon Bay Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	62	43	0.00
May 2	78	50	0.00
May 3	66	41	0.00
May 4	61	43	0.01
May 5	64	49	0.00
May 6	64	44	0.00
May 7	65	52	0.00
May 8	67	51	0.00
May 9	67	45	0.00
May 10	64	45	0.00
May 11	62	38	0.00
May 12	60	38	0.00
May 13	62	51	0.00
May 14	63	44	0.00
May 15	63	52	0.00
May 16	63	50	0.00
May 17	62	52	0.00
May 18	66	52	0.00
May 19	64	51	0.00
May 20	64	54	0.00
May 21	63	54	0.00
May 22	62	53	0.00
May 23	64	51	0.00
May 24	64	51	0.00
May 25	64	52	0.00
May 26	68	56	0.00
May 27	66	56	0.01
May 28	66	56	0.11
May 29	65	43	0.02
May 30	64	42	0.00
May 31	65	42	0.00

June 2004 Half Moon Bay Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	64	43	0.01
June 2	65	44	0.01
June 3	63	51	0.00
June 4	60	53	0.00
June 5	63	50	0.01
June 6	64	48	0.00
June 7	64	40	0.00
June 8	62	38	0.00
June 9	63	50	0.00
June 10	63	52	0.00
June 11	63	47	0.00
June 12	63	47	0.00
June 13	64	50	0.00
June 14	64	50	0.00
June 15	63	46	0.00
June 16	64	49	0.00
June 17	65	52	0.00
June 18	70	56	0.00
June 19	68	56	0.00
June 20	64	54	0.00
June 21	59	54	0.00
June 22	61	54	0.00
June 23	65	55	0.00
June 24	66	54	0.00
June 25	66	47	0.01
June 26	68	46	0.01
June 27	66	54	0.00
June 28	65	54	0.00
June 29	66	48	0.00
June 30	70	53	0.00

July 2004 Half Moon Bay Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	69	56	0.01
July 2	63	56	0.00
July 3	66	54	0.02
July 4	64	55	0.02
July 5	66	54	0.01
July 6	67	54	0.01
July 7	66	54	0.01
July 8	68	56	0.01
July 9	70	54	0.00
July 10	71	54	0.00
July 11	65	53	0.00
July 12	64	53	0.00
July 13	63	54	0.00
July 14	66	58	0.00
July 15	67	48	0.00
July 16	68	57	0.00
July 17	64	50	0.00
July 18	70	58	0.00
July 19	70	60	0.04
July 20	71	58	0.03
July 21	67	59	0.02
July 22	64	56	0.01
July 23	66	54	0.02
July 24	64	52	0.01
July 25	66	56	0.02
July 26	69	55	0.02
July 27	77	54	0.01
July 28	68	55	0.00
July 29	70	57	0.00
July 30	64	56	0.02
July 31	67	57	0.05

August 2004 Half Moon Bay Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	63	57	0.04
August 2	66	57	0.02
August 3	67	54	0.00
August 4	66	57	0.03
August 5	65	56	0.00
August 6	69	52	0.00
August 7	69	51	0.00
August 8	83	49	0.01
August 9	67	56	0.00
August 10	68	58	0.00
August 11	65	54	0.00
August 12	66	55	0.01
August 13	68	55	0.00
August 14	n/a	n/a	0.00
August 15	n/a	n/a	0.00
August 16	69	54	0.00
August 17	68	58	0.00
August 18	68	56	0.01
August 19	64	56	0.01
August 20	68	59	0.00
August 21	70	59	0.00
August 22	69	64	0.00
August 23	71	58	0.03
August 24	69	59	0.10
August 25	67	58	0.01
August 26	71	57	0.02
August 27	71	47	0.01
August 28	73	46	0.02
August 29	n/a	n/a	n/a
August 30	71	55	n/a
August 31	69	51	0.00

September 2004 Half Moon Bay Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	72	58	0.00
September 2	70	50	0.00
September 3	69	43	0.00
September 4	68	45	0.00
September 5	74	44	0.00
September 6	80	47	0.00
September 7	73	43	0.00
September 8	71	43	0.00
September 9	72	45	0.01
September 10	68	48	0.00
September 11	66	55	0.05
September 12	66	57	0.05
September 13	69	57	0.00
September 14	68	45	0.00
September 15	67	43	0.00
September 16	70	52	0.00
September 17	67	44	0.00
September 18	69	44	0.00
September 19	64	46	0.09
September 20	66	43	0.02
September 21	72	39	0.01
September 22	71	39	0.00
September 23	67	40	0.00
September 24	65	40	0.01
September 25	66	40	0.05
September 26	61	40	0.00
September 27	63	41	0.00
September 28	66	54	0.00
September 29	70	55	0.00
September 30	64	54	0.00

October 2004 Half Moon Bay Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	62	55	0.00
October 2	66	43	0.00
October 3	61	50	0.00
October 4	62	53	0.00
October 5	62	55	0.01
October 6	58	44	0.01
October 7	68	55	0.02
October 8	61	51	0.01
October 9	70	52	0.01
October 10	64	38	0.01
October 11	66	39	0.00
October 12	86	45	0.00
October 13	88	43	0.00
October 14	86	50	0.00
October 15	61	49	0.01
October 16	60	50	0.00
October 17	66	56	0.04
October 18	65	43	0.21
October 19	66	36	0.82
October 20	61	50	2.14
October 21	63	42	0.01
October 22	62	44	0.00
October 23	64	47	0.00
October 24	61	49	0.35
October 25	65	48	0.00
October 26	62	51	0.93
October 27	61	41	0.01
October 28	65	38	0.01
October 29	65	47	0.00
October 30	67	43	0.00
October 31	60	47	0.00

November 2004 Half Moon Bay Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	71	41	0.00
November 2	73	39	0.00
November 3	68	43	0.00
November 4	60	41	0.15
November 5	61	48	0.00
November 6	67	39	0.00
November 7	60	40	0.00
November 8	63	45	0.00
November 9	59	51	0.01
November 10	67	53	0.14
November 11	67	54	0.07
November 12	70	48	0.43
November 13	65	48	0.01
November 14	66	42	0.00
November 15	69	42	0.00
November 16	65	47	0.02
November 17	57	43	0.03
November 18	59	39	0.02
November 19	64	48	0.01
November 20	62	49	0.00
November 21	66	34	0.00
November 22	63	44	0.00
November 23	62	39	0.00
November 24	65	36	0.02
November 25	59	44	0.00
November 26	60	48	0.01
November 27	60	52	0.44
November 28	59	47	0.02
November 29	59	42	0.00
November 30	59	32	0.00

December 2004 Half Moon Bay Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	58	34	0.00
December 2	58	32	0.00
December 3	59	34	0.00
December 4	63	31	0.00
December 5	52	38	0.00
December 6	60	37	0.00
December 7	59	34	1.77
December 8	59	45	1.26
December 9	59	56	n/a
December 10	62	58	n/a
December 11	66	50	0.01
December 12	72	52	0.01
December 13	n/a	50	0.00
December 14	64	45	0.01
December 15	62	51	0.00
December 16	67	40	0.00
December 17	65	52	0.00
December 18	68	50	0.00
December 19	69	46	0.00
December 20	66	36	0.00
December 21	67	40	0.00
December 22	67	42	0.00
December 23	64	37	0.00
December 24	64	36	0.00
December 25	62	33	0.00
December 26	63	45	0.00
December 27	58	36	2.90
December 28	52	44	1.00
December 29	53	44	0.43
December 30	59	34	0.58
December 31	58	42	0.67

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Weather Station Details

Years	Station	Coordinates
1939–2024	Half Moon Bay	location