Average August Temperature in Big Bear Lake by Year

This page contains a list of the average monthly high and low temperatures in Big Bear Lake, California for the month of August each year between 1920 and 2023. It is based on NOAA data.

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What Was the Hottest August Ever in Big Bear Lake?

2020 was the warmest August in the history of Big Bear Lake, California. The average daily high temperature was 81.5 °F, and the average low was 52.0 °F.

What Was the Coldest August Ever in Big Bear Lake?

1921 was the coolest August in the history of Big Bear Lake, California. The average daily high temperature was 64.8 °F, and the average low was 45.0 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	33	77.0	51.0
2022	4	79.4	53.2
2021	6	80.3	51.8
2020	1	81.5	52.0
2019	21	80.4	49.2
2018	8	79.3	52.1
2017	34	77.5	50.3
2016	30	78.3	50.0
2015	12	79.5	51.4
2014	50	75.4	49.1
2013	27	80.6	48.1
2012	19	79.9	50.0
2011	10	82.9	48.1
2010	36	80.3	47.1
2009	32	81.1	47.1
2007	3	82.2	50.5
2006	37	80.3	46.6
2005	26	79.6	49.3
2003	15	80.9	49.7
2002	18	82.7	47.2
2001	5	82.9	49.3
2000	31	79.4	48.8
1999	59	79.0	44.5
1998	13	80.9	49.9
1997	17	80.8	49.2
1996	16	81.6	48.6
1995	11	81.0	49.9
1994	14	81.3	49.5
1993	49	78.8	46.0
1992	46	77.5	47.7
1991	52	77.8	46.6
1990	65	77.8	44.2
1989	69	77.3	44.2
1988	56	77.4	46.3
1987	51	78.2	46.3
1986	9	82.2	49.1
1985	48	83.6	41.4
1984	55	77.3	46.7
1983	60	76.6	46.7
1982	47	79.1	46.0
1981	24	82.6	46.9
1979	70	75.9	45.6
1978	29	78.8	49.5
1977	25	79.5	49.7
1976	81	76.5	42.6
1975	61	78.1	44.9
1974	64	78.9	43.5
1973	63	76.7	45.7
1972	54	78.3	46.0
1971	20	79.8	50.0
1970	7	80.2	51.6
1969	2	81.3	51.5
1968	82	74.4	44.0
1967	22	80.5	49.0
1966	35	80.7	47.1
1965	79	77.5	42.3
1964	71	78.8	42.5
1963	80	77.6	41.9
1962	53	80.8	43.5
1961	72	77.2	44.0
1959	40	76.9	49.2
1958	39	77.1	49.6
1957	68	75.5	46.1
1955	28	77.2	51.2
1953	23	79.2	50.4
1952	66	78.4	43.4
1951	83	77.9	39.3
1950	77	79.9	40.0
1949	75	78.6	41.5
1948	78	78.9	41.0
1947	76	75.3	44.7
1946	45	78.8	46.4
1945	73	74.9	46.1
1944	67	78.6	43.2
1943	57	77.0	46.6
1942	74	75.1	45.7
1941	84	72.9	44.0
1940	41	78.8	47.3
1939	42	76.9	48.8
1938	62	75.1	47.3
1937	43	77.2	48.4
1936	58	75.6	47.9
1934	38	76.8	50.0
1921	85	64.8	45.0
1920	44	81.5	43.8

Weather Station Details

Years	Station	Coordinates
1960–2024	Big Bear Lake	location
1914–1960	Big Bear Lake Dam	location