Average March Temperature in Half Moon Bay by Year

This page contains a list of the average monthly high and low temperatures in Half Moon Bay, California for the month of March each year between 1940 and 2024. It is based on NOAA data.

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What Was the Hottest March Ever in Half Moon Bay?

1978 was the warmest March in the history of Half Moon Bay, California. The average daily high temperature was 64.2 °F, and the average low was 49.2 °F.

What Was the Coldest March Ever in Half Moon Bay?

1991 was the coolest March in the history of Half Moon Bay, California. The average daily high temperature was 55.9 °F, and the average low was 39.4 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2024	23	59.6	46.2
2023	78	55.1	41.8
2022	68	57.8	41.4
2021	71	58.2	40.7
2020	41	59.5	44.0
2019	32	59.8	44.6
2018	42	60.4	43.2
2017	19	62.5	44.2
2016	8	62.0	46.9
2015	6	64.2	45.1
2014	7	63.5	45.8
2013	54	58.2	43.3
2012	57	58.9	42.0
2011	35	59.7	44.5
2010	40	62.1	41.4
2009	55	59.2	42.2
2008	72	59.8	39.0
2007	61	60.9	39.8
2006	75	58.4	39.6
2005	5	63.4	46.2
2004	11	64.6	43.7
2001	26	59.5	45.9
2000	43	59.3	44.1
1999	77	55.8	42.0
1998	22	60.1	45.9
1997	47	60.0	42.4
1996	16	61.4	45.9
1995	17	61.1	46.0
1993	9	60.5	47.9
1992	3	62.8	48.5
1991	80	55.9	39.4
1990	46	58.0	44.6
1989	33	58.5	45.9
1988	53	59.4	42.3
1987	34	60.3	44.0
1986	4	62.9	47.7
1985	67	56.5	42.7
1984	24	61.0	44.6
1983	13	60.5	47.4
1982	37	59.8	43.9
1981	21	60.4	45.9
1980	30	60.6	44.2
1979	28	60.0	45.3
1978	1	64.2	49.2
1977	63	58.5	41.6
1976	66	58.0	41.3
1975	58	56.5	44.3
1974	31	58.2	46.4
1972	27	62.0	43.4
1971	50	59.9	42.1
1970	25	62.6	43.0
1969	48	59.2	43.1
1968	14	61.7	46.1
1967	52	58.2	43.6
1966	60	58.3	42.4
1965	44	58.8	44.3
1964	62	59.6	40.9
1963	64	57.5	42.5
1962	65	56.4	43.3
1961	38	59.1	44.6
1960	15	59.9	47.5
1959	10	64.0	44.4
1958	39	58.8	44.8
1957	29	59.3	45.7
1956	49	59.1	43.0
1955	56	60.8	40.5
1954	79	54.9	41.7
1952	70	56.4	42.8
1951	69	60.4	38.8
1950	59	58.3	42.5
1949	36	58.1	45.6
1948	74	56.5	41.6
1947	18	60.1	46.8
1946	73	57.3	41.2
1945	76	57.0	40.9
1944	45	60.6	42.1
1943	20	60.0	46.5
1942	51	60.8	40.9
1941	2	64.2	48.3
1940	12	61.5	46.6

Weather Station Details

Years	Station	Coordinates
1939–2024	Half Moon Bay	location