Mount Shasta, CA: Summer

31 August 2026: Summer 2026 averaged 67.9°F in Mount Shasta, CA, the warmest summer since 2025, 14th warmest of 77.

Summer 2026

Mean temperature: 67.9°F; Warmest since 2025; 14th warmest of 77
Precipitation: 0.14 in; Driest since 1973; 2nd driest of 75

A normal summer in Mount Shasta, CA (1991 to 2020): a mean temperature of 66.3°F, between 64.4°F and 68.8°F in eight years of ten and 1.43 in of precipitation, between 0.42 in and 2.86 in in eight years of ten.

The mean temperature of every summer in Mount Shasta, CA since 1948: 67.9°F in 2026; the highest is 71.5°F, in 2021.

Normal range, 64.4 to 68.8°F

Every year, ranked, as a table

Every summer in Mount Shasta, CA from 1948 to 2026, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.

Year	Mean, °F	Rank	High, °F	Rank	Low, °F	Rank	Precipitation, in	Rank	Days missing
2026	67.9	14	85.9	11	49.8	27	0.14	73	0
2025	68.4	10	86	10	50.9	12	1.91	23	3
2024	70.3	2	88.5	2	52.2	2	0.95	47	0
2023	69	7	86.6	8	51.3	7	1.59	33	0
2022	69.5	5	87.7	4	51.3	7	1.90	24	0
2021	71.5	1	89.8	1	53.3	1	0.44	64	0
2020	68.4	10	85.4	14	51.3	7	1.28	40	0
2019	67.3	19	84.7	18	50	25	0.32	65	4
2018	68.2	13	86.4	9	50.1	23	0.49	61	0
2017	69.9	3	87.8	3	52.1	4	1.47	37	0
2016	68.7	8	86.7	7	50.8	13	2.40	18	0
2015	69.7	4	87.3	5	52.2	2	1.75	29	0
2014	69.4	6	87.2	6	51.6	5	0.49	61	0
2013	68.3	12	85.9	11	50.7	15	0.77	54	0
2012	66.3	30	84.1	19	48.5	48	1.85	25	0
2011	65.2	47	81.7	47	48.8	40	1.43	39	0
2010	65.8	41	82.6	39	49.1	35	0.60	57	0
2009	65.8	41	83	35	48.5	48	2.93	11	3
2008	66.3	30	83.3	33	49.4	32	0.17	71	0
2007	66.4	29	83.8	24	49.1	35	0.81	52	0
2006	67.4	18	84.1	19	50.7	15	1.46	38	0
2005	64.9	49	81	55	48.8	40	3.57	5	0
2004	66.5	26	83.5	30	49.5	31	0.57	58	0
2003	67.5	16	83.7	27	51.3	7	1.51	36	0
2002	66.3	30	83.4	32	49.1	35	0.57	58	0
2001	66	36	82.3	40	49.7	28	2.59	16	0
2000	65.2	47	81.9	45	48.5	48	2.61	15	0
1999	63	69	79.1	69	46.9	69	0.86	49	0
1998	66.3	30	82.2	42	50.3	19	2.73	13	0
1997	64.5	55	79.4	66	49.6	30			1
1996	65.7	43	82.8	38	48.8	40			2
1995	62.4	75	78.1	70	46.7	73	3.43	6	4
1994	64.9	49	82.9	36	47.2	65	0.19	70	9
1993									31
1992	65.4	46	82.3	40	48.7	44	2.82	12	2
1991	64.2	57	81.2	54	47.2	65	1.11	44	1
1990	64.2	57	80.6	58	47.7	58	2.70	14	0
1989	63.1	68	80.4	61	45.8	77	0.87	48	1
1988	65.9	39	83.2	34	48.6	47	1.66	31	0
1986	66	36	83.5	30	48.4	52	1.16	42	1
1985	66.3	30	83.8	24	48.9	39	2.03	22	0
1984	65.7	43	82.2	42	49.1	35	3.39	7	0
1983	62.2	76	78	73	46.5	74	1.14	43	0
1982	63.4	66	79.4	66	47.4	61	4.74	1	0
1981	66.2	35	83.7	27	48.7	44	0.21	69	0
1980	62.5	73	78.1	70	46.9	69	1.82	26	0
1979	63.9	62	81	55	46.8	71	0.82	51	0
1978	63.8	63	80.6	58	47	67	1.71	30	0
1977	67.1	20	84.1	19	50.2	21	1.56	34	0
1976	62.8	70	77.6	76	48	56	3.26	9	0
1975	64	59	79.6	65	48.4	52	0.98	45	0
1974	65.6	45	81.7	47	49.4	32	1.82	26	0
1973	66.9	22	83.8	24	50.1	23	0.14	73	0
1972	66.7	25	82.9	36	50.4	18	1.21	41	0
1971	65.9	39	81.4	51	50.3	19	0.67	56	0
1970	66.8	23	84	23	49.7	28	0.57	58	0
1969	66	36	81.6	49	50.5	17	0.80	53	0
1968	64.5	55	80.7	57	48.3	54	2.46	17	0
1967	67.5	16	84.9	15	50.2	21	2.06	21	0
1966	64.9	49	81.4	51	48.5	48	0.48	63	0
1965	63.7	64	79.8	64	47.6	60	3.13	10	0
1964	63.2	67	79.2	68	47.3	64	1.64	32	0
1963	62.5	73	78.1	70	46.8	71	2.32	19	0
1962	64.8	52	81.4	51	48.2	55	0.84	50	0
1961	67.8	15	84.8	16	50.8	13	1.77	28	0
1960	68.5	9	85.5	13	51.5	6	0.15	72	0
1959	67	21	84.1	19	50	25	0.71	55	0
1958	66.5	26	81.9	45	51	11	3.73	3	0
1957	63.5	65	80	63	47	67	0.02	75	0
1956	64	59	80.1	62	48	56	1.54	35	0
1955	64	59	81.6	49	46.5	74	0.32	65	0
1954	61.9	77	77.3	77	46.4	76	3.66	4	0
1953	62.7	72	78	73	47.4	61	0.96	46	0
1952	64.6	54	80.5	60	48.7	44	3.30	8	0
1951	66.8	23	84.8	16	48.8	40	0.26	68	0
1950	66.5	26	83.6	29	49.4	32	2.20	20	0
1949	64.7	53	82	44	47.4	61	0.31	67	0
1948	62.8	70	77.8	75	47.7	58	3.82	2	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2021	71.5
2024	70.3
2017	69.9
2015	69.7
2022	69.5
2014	69.4
2023	69
2016	68.7
1960	68.5
2025	68.4
More years share the last value

Coldest
Year	Mean, °F
1954	61.9
1983	62.2
1995	62.4
1980	62.5
1963	62.5
1953	62.7
1976	62.8
1948	62.8
1999	63
1989	63.1

Wettest
Year	Precipitation, in
1982	4.74
1948	3.82
1958	3.73
1954	3.66
2005	3.57
1995	3.43
1984	3.39
1952	3.30
1976	3.26
1965	3.13

Driest
Year	Precipitation, in
1957	0.02
2026	0.14
1973	0.14
1960	0.15
2008	0.17
1994	0.19
1981	0.21
1951	0.26
1949	0.31
2019	0.32
More years share the last value

The hottest, coldest and wettest days

Hottest day: 98°F; 8 August 2026, 7 August 2026
Coldest night: 39°F; 9 June 2026, 7 June 2026
Wettest day: 0.12 in; 19 June 2026

Every month, season and year

Months

Seasons

Years

Mount Shasta, CA the day's answers

All-time records

Every answer in words

Summer 2026 brought 0.14 in of precipitation in Mount Shasta, CA, the driest summer since 1973 (1987 excluded: 92 of 92 days missing; 1993 excluded: 31 of 92 days missing; 1996 excluded: 31 of 92 days missing; 1 more year excluded for missing days), tied 2nd driest of 75 (with 1973).
The hottest day of summer 2026 in Mount Shasta, CA: 98°F on Saturday 8 August 2026 and Friday 7 August 2026.
The coldest night of summer 2026 in Mount Shasta, CA: a low of 39°F on Tuesday 9 June 2026 and Sunday 7 June 2026.
The wettest day of summer 2026 in Mount Shasta, CA: 0.12 in on Friday 19 June 2026.