Average May Temperature in San Rafael by Year

This page contains a list of the average monthly high and low temperatures in San Rafael, California for the month of May each year between 1894 and 2023. It is based on NOAA data.

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What Was the Hottest May Ever in San Rafael?

1997 was the warmest May in the history of San Rafael, California. The average daily high temperature was 79.3 °F, and the average low was 53.8 °F.

What Was the Coldest May Ever in San Rafael?

1894 was the coolest May in the history of San Rafael, California. The average daily high temperature was 70.3 °F, and the average low was 41.6 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	37	72.4	49.4
2018	33	70.9	51.2
2017	15	74.7	51.0
2016	20	72.8	51.9
2015	50	69.4	50.5
2014	4	77.0	52.5
2013	9	75.4	51.8
2012	28	73.4	49.3
2011	66	65.8	47.2
2010	63	66.7	48.0
2009	38	71.3	50.4
2008	39	71.4	50.1
2007	45	70.7	50.0
2006	30	72.3	50.4
2005	41	68.9	52.5
2003	46	71.2	49.6
2002	55	69.9	48.2
2001	2	80.3	52.4
2000	21	73.2	51.5
1999	65	66.1	47.5
1998	64	64.5	50.0
1997	1	79.3	53.8
1996	40	72.7	48.8
1995	57	67.3	49.4
1994	51	68.9	50.4
1993	62	69.3	46.1
1992	5	76.8	52.6
1991	60	68.2	48.1
1990	42	70.6	50.6
1989	29	72.5	50.1
1988	34	72.1	49.9
1987	13	75.0	51.9
1985	52	71.1	48.1
1984	10	75.4	51.8
1980	49	71.6	48.3
1979	7	78.3	50.9
1978	3	79.9	51.8
1977	61	68.4	47.0
1976	32	76.8	45.5
1975	12	77.4	49.7
1973	11	77.2	49.9
1972	17	75.7	49.7
1971	47	70.5	50.1
1970	6	79.3	50.0
1969	8	76.9	51.7
1968	36	72.3	49.5
1967	16	75.9	49.7
1966	23	75.9	48.1
1965	48	73.7	46.6
1964	59	71.2	45.5
1963	43	71.0	50.2
1962	53	71.3	47.7
1961	58	68.8	47.9
1959	26	74.6	49.2
1958	14	75.8	50.5
1957	44	70.9	50.2
1956	35	73.0	49.0
1955	22	77.6	46.9
1954	31	74.7	47.6
1952	19	76.9	47.9
1951	25	74.1	49.8
1949	27	72.2	50.5
1948	56	69.7	47.6
1947	18	74.7	50.2
1904	24	77.0	47.0
1895	54	72.3	46.5
1894	67	70.3	41.6

Weather Station Details

Years	Station	Coordinates
1894–2024	San Rafael Civic Center	location