Average April 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 April each year between 1940 and 2023. It is based on NOAA data.

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What Was the Hottest April Ever in Half Moon Bay?

1992 was the warmest April in the history of Half Moon Bay, California. The average daily high temperature was 65.8 °F, and the average low was 47.6 °F.

What Was the Coldest April Ever in Half Moon Bay?

1955 was the coolest April in the history of Half Moon Bay, California. The average daily high temperature was 56.8 °F, and the average low was 41.4 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	71	56.7	44.0
2022	57	59.8	43.0
2021	52	57.9	45.8
2020	13	60.7	47.5
2019	7	61.4	48.5
2018	34	60.8	45.3
2017	10	63.0	45.7
2016	2	63.8	48.0
2015	30	62.1	44.2
2014	19	62.0	45.8
2013	42	61.2	43.9
2012	26	61.7	45.5
2011	40	61.6	44.0
2010	50	61.6	42.8
2009	55	59.8	43.6
2008	75	60.1	39.6
2007	63	60.2	42.1
2006	12	62.2	46.2
2005	37	63.2	42.6
2004	20	63.2	44.6
2001	69	57.0	43.9
2000	21	61.2	46.6
1999	61	59.0	43.6
1998	43	59.1	46.0
1997	36	60.5	45.5
1996	15	62.1	46.0
1995	33	59.2	47.0
1993	64	60.4	41.8
1992	1	65.8	47.6
1991	74	59.3	40.4
1990	11	62.1	46.4
1989	4	63.1	47.0
1988	28	62.0	44.8
1986	51	59.7	44.7
1985	31	60.6	45.7
1984	53	60.6	43.0
1983	17	61.4	46.6
1982	41	62.2	43.4
1981	38	61.1	44.8
1980	35	61.2	44.9
1979	48	60.2	44.3
1978	14	62.4	45.7
1977	67	59.7	41.7
1976	72	58.4	42.1
1975	77	54.9	43.4
1974	45	61.0	43.9
1973	24	62.1	45.3
1972	54	62.0	41.6
1971	70	59.0	41.7
1970	58	62.7	40.1
1969	73	56.5	43.7
1968	39	62.0	43.7
1967	76	56.0	42.7
1966	22	64.7	43.0
1965	27	60.4	46.5
1964	65	57.7	44.3
1963	47	58.6	45.9
1962	32	61.1	45.2
1961	23	61.3	46.4
1960	18	61.7	46.3
1959	5	63.8	46.2
1958	6	62.5	47.5
1957	8	62.8	46.2
1956	44	58.7	46.2
1955	78	56.8	41.4
1954	49	59.1	45.4
1952	59	57.0	45.8
1951	68	56.4	44.7
1949	56	58.9	44.1
1948	46	58.6	46.3
1947	9	62.9	46.0
1946	60	60.3	42.5
1945	66	60.9	41.1
1944	62	58.5	44.1
1943	25	61.1	46.0
1942	29	61.0	45.4
1941	16	60.7	47.3
1940	3	63.6	47.4

Weather Station Details

Years	Station	Coordinates
1939–2024	Half Moon Bay	location