Mount Shasta, CA: records

4 October 2026: The hottest day on record in Mount Shasta, CA: 106°F on Friday 29 July 2022.

The record begins: 1948

All-time records

Hottest day: 106°F; 29 July 2022
Coldest night: -13°F; 22 December 1990
Wettest day: 5.97 in; 9 January 1995
Warmest night: 70°F; 16 August 2023
Coldest day: 7°F; 21 December 1990

Daily records by decade

New daily records set in Mount Shasta, CA by decade since the 1970s: the most record highs, 93, came in the 2010s; the most record lows, 73, in the 1990s.

Record highs
Record lows

Every decade as a table

Decade	Record highs	Record lows	Years in the record
1940s	0	0	2
1950s	0	0	10
1960s	0	0	10
1970s	23	35	10
1980s	81	70	10
1990s	50	73	10
2000s	67	12	10
2010s	93	18	10
2020s	70	13	7

Records by month

Month	Highest	Lowest	Wettest day
January	68°F 6 January 2015	-2°F 21 January 1962, 15 January 1950	5.97 in 9 January 1995
February	71°F 28 February 2025, 27 February 2025, 27 February 1953	-3°F 6 February 1989	4.87 in 6 February 2015
March	83°F 17 March 2026	13°F 13 March 1990	3.90 in 9 March 1989
April	87°F 21 April 2009	14°F 27 April 1955	3.37 in 6 April 2017
May	96°F 30 May 1986	21°F 1 May 1954	2.29 in 27 May 1990
June	103°F 27 June 2021	25°F 12 June 1952	1.87 in 17 June 2005
July	106°F 29 July 2022	32°F 1 July 1976	1.17 in 5 July 2000
August	105°F 7 August 1981	34°F 22 August 1968, 23 August 1960	1.09 in 27 August 1954
September	103°F 6 September 2022, 2 September 1955	25°F 17 September 1965	3.40 in 26 September 1957
October	93°F 2 October 1980	17°F 30 October 2019	4.13 in 29 October 1950
November	80°F 2 November 1949	6°F 25 November 1993, 24 November 1993	4.37 in 16 November 1981
December	72°F 11 December 1958	-13°F 22 December 1990	4.81 in 12 December 1995

Streaks, months and years

Longest heat streak	24 days	3 July to 26 July 2024	A high of 90°F or above
Longest cold streak	11 days	4 December to 14 December 1972	A high of 32°F or below
Wettest month	27.48 in	January 1995
Driest month	0.00 in	August 2026	and 29 more
Wettest year	70.95 in	1983
Driest year	10.00 in	2013

Every record in words

The coldest night on record in Mount Shasta, CA: a low of -13°F on Saturday 22 December 1990.
The wettest day on record in Mount Shasta, CA: 5.97 in on Monday 9 January 1995.
The warmest night on record in Mount Shasta, CA: a low of 70°F on Wednesday 16 August 2023.
The coldest day on record in Mount Shasta, CA: a high of 7°F on Friday 21 December 1990.
The longest run of days with a high of 90°F or above in Mount Shasta, CA: 24 days, from Wednesday 3 July to Friday 26 July 2024.
The longest run of days with a high of 32°F or below in Mount Shasta, CA: 11 days, from Monday 4 December to Thursday 14 December 1972.
The wettest month on record in Mount Shasta, CA: January 1995, with 27.48 in of precipitation.
The driest month on record in Mount Shasta, CA: August 2026, with 0.00 in of precipitation (shared with 29 other months); provisional.
The wettest year on record in Mount Shasta, CA: 1983, with 70.95 in of precipitation.
The driest year on record in Mount Shasta, CA: 2013, with 10.00 in of precipitation.

Mount Shasta, CA the day's answers