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Almanac · Mount Shasta, CA · Climate Almanac
📖 Climate Almanac

Mount Shasta, CA

41.315°N, 122.317°W · station MHSthr · 1948–2026 · 79 years of record

The Almanac Ribbon

Every day of the year at Mount Shasta: the record high and record low ever set (outer lines), the everyday normal range (shaded band), and the full record envelope behind it.
-20020406080100JanFebMarAprMayJunJulAugSepOctNovDechottestsince.com · coldestsince.com
Record high Record low Normal high–low band (1991–2020) hottest ever 106°F · coldest ever -13°F

Records by Month

MonthRecord highRecord low
Jan68°Jan 6, 2015-2°Jan 15, 1950
Feb71°Feb 27, 1953-3°Feb 6, 1989
Mar83°Mar 17, 202613°Mar 13, 1990
Apr87°Apr 21, 200914°Apr 27, 1955
May96°May 30, 198621°May 1, 1954
Jun103°Jun 27, 202125°Jun 12, 1952
Jul106°Jul 29, 202232°Jul 1, 1976
Aug105°Aug 7, 198134°Aug 23, 1960
Sep103°Sep 2, 195525°Sep 17, 1965
Oct93°Oct 2, 198017°Oct 30, 2019
Nov80°Nov 2, 19496°Nov 24, 1993
Dec72°Dec 11, 1958-13°Dec 22, 1990
All-time106°Jul 29, 2022-13°Dec 22, 1990

Longest-Standing Records

The daily records that have held the longest — set in the earliest years and never beaten since. Highs power Mount Shasta on hottestsince.com; lows on coldestsince.com.

Oldest-standing record highs

DateRecordSetStanding
Apr 980°194977yrs
Apr 1578°194977yrs
Sep 2193°194977yrs
Oct 3079°194977yrs
Oct 3175°194977yrs
Nov 180°194977yrs
Nov 377°194977yrs
Nov 1571°194977yrs
Nov 1674°194977yrs
Nov 1771°194977yrs
Nov 1869°194977yrs
Nov 2865°194977yrs

Oldest-standing record lows

DateRecordSetStanding
May 126°194878yrs
May 929°194878yrs
Jul 438°194878yrs
Jul 2442°194878yrs
Nov 819°194878yrs
Dec 1411°194878yrs
Dec 157°194878yrs
Jan 42°194977yrs
Jan 98°194977yrs
Jan 108°194977yrs
Jan 112°194977yrs
Jan 203°194977yrs

All-Time Extremes

Hottest ever

106°F
2022-07-29

Coldest ever

-13°F
1990-12-22

Longest heat streak

24 days
≥ 90°F · ended 2024-07-26

The Warming Trend

Mount Shasta's annual mean temperature, each year a stripe — blue below the 1991–2020 average, red above.
1949: 49.0°F (-1.7 vs 1991–2020)1950: 50.3°F (-0.4 vs 1991–2020)1951: 50.0°F (-0.7 vs 1991–2020)1952: 49.6°F (-1.1 vs 1991–2020)1953: 49.7°F (-1.0 vs 1991–2020)1954: 49.2°F (-1.5 vs 1991–2020)1955: 48.3°F (-2.4 vs 1991–2020)1956: 49.0°F (-1.7 vs 1991–2020)1957: 48.4°F (-2.3 vs 1991–2020)1958: 51.4°F (+0.7 vs 1991–2020)1959: 51.1°F (+0.4 vs 1991–2020)1960: 50.6°F (-0.1 vs 1991–2020)1961: 50.3°F (-0.4 vs 1991–2020)1962: 50.1°F (-0.6 vs 1991–2020)1963: 49.6°F (-1.1 vs 1991–2020)1964: 48.5°F (-2.2 vs 1991–2020)1965: 49.8°F (-0.9 vs 1991–2020)1966: 50.5°F (-0.2 vs 1991–2020)1967: 49.9°F (-0.8 vs 1991–2020)1968: 49.4°F (-1.3 vs 1991–2020)1969: 49.6°F (-1.1 vs 1991–2020)1970: 50.0°F (-0.7 vs 1991–2020)1971: 48.3°F (-2.4 vs 1991–2020)1972: 49.3°F (-1.4 vs 1991–2020)1973: 50.1°F (-0.6 vs 1991–2020)1974: 49.8°F (-0.9 vs 1991–2020)1975: 48.4°F (-2.3 vs 1991–2020)1976: 49.7°F (-1.0 vs 1991–2020)1977: 49.1°F (-1.6 vs 1991–2020)1978: 48.6°F (-2.1 vs 1991–2020)1979: 49.1°F (-1.6 vs 1991–2020)1980: 49.8°F (-0.9 vs 1991–2020)1981: 50.9°F (+0.2 vs 1991–2020)1982: 47.6°F (-3.1 vs 1991–2020)1983: 49.2°F (-1.5 vs 1991–2020)1988: 50.6°F (-0.1 vs 1991–2020)1989: 48.9°F (-1.8 vs 1991–2020)1990: 49.2°F (-1.5 vs 1991–2020)1991: 50.5°F (-0.2 vs 1991–2020)1992: 51.3°F (+0.6 vs 1991–2020)1993: 47.1°F (-3.6 vs 1991–2020)1994: 49.0°F (-1.7 vs 1991–2020)1995: 50.6°F (-0.1 vs 1991–2020)1996: 50.3°F (-0.4 vs 1991–2020)1997: 50.7°F (-0.0 vs 1991–2020)1998: 49.2°F (-1.5 vs 1991–2020)1999: 49.4°F (-1.3 vs 1991–2020)2000: 50.0°F (-0.7 vs 1991–2020)2001: 50.8°F (+0.1 vs 1991–2020)2002: 50.6°F (-0.1 vs 1991–2020)2003: 51.3°F (+0.6 vs 1991–2020)2004: 51.0°F (+0.3 vs 1991–2020)2005: 50.0°F (-0.7 vs 1991–2020)2006: 50.4°F (-0.3 vs 1991–2020)2007: 50.5°F (-0.2 vs 1991–2020)2008: 49.9°F (-0.8 vs 1991–2020)2009: 50.4°F (-0.3 vs 1991–2020)2010: 49.8°F (-0.9 vs 1991–2020)2011: 49.6°F (-1.1 vs 1991–2020)2012: 51.1°F (+0.4 vs 1991–2020)2013: 51.7°F (+1.0 vs 1991–2020)2014: 54.0°F (+3.3 vs 1991–2020)2015: 54.0°F (+3.3 vs 1991–2020)2016: 52.7°F (+2.0 vs 1991–2020)2017: 51.9°F (+1.2 vs 1991–2020)2018: 51.9°F (+1.2 vs 1991–2020)2019: 50.7°F (-0.0 vs 1991–2020)2020: 52.5°F (+1.8 vs 1991–2020)2021: 52.7°F (+2.0 vs 1991–2020)2022: 52.6°F (+1.9 vs 1991–2020)2023: 51.3°F (+0.6 vs 1991–2020)2024: 52.9°F (+2.2 vs 1991–2020)2025: 52.6°F (+1.9 vs 1991–2020)19492025annual mean temperature · warmer ▲ redder

Days Above / Below the Mark

29 days ≥90°F in 2026 · normal 24 · record 65 in 2021
58 days ≤32°F in 2026 · normal 125 · record 160 in 1955

The Full Record

Every day of the year, record and normal high & low with the year each record was set. Type to filter, click a column to sort.
Show me the data — the full daily record
DateRec HighYrNorm HiNorm LoRec LowYr
Jan 163°201244°27°6°1966
Jan 262°200144°28°7°1974
Jan 362°200144°28°10°1950
Jan 465°200144°28°2°1949
Jan 561°201544°28°7°1977
Jan 668°201544°28°3°2017
Jan 761°201544°28°6°1974
Jan 861°196244°28°7°1977
Jan 955°201244°28°8°1949
Jan 1060°198144°28°8°1949
Jan 1158°198144°28°2°1949
Jan 1265°202244°28°3°1950
Jan 1364°198345°28°7°1997
Jan 1462°201845°28°5°1950
Jan 1560°198145°28°-2°1950
Jan 1664°196145°28°13°2012
Jan 1764°199745°28°10°2012
Jan 1859°201445°28°11°1952
Jan 1967°199745°28°11°1963
Jan 2065°196145°28°3°1949
Jan 2161°196145°28°-2°1962
Jan 2260°200546°28°0°1962
Jan 2362°196846°28°5°1962
Jan 2463°197546°28°4°1949
Jan 2566°201546°28°2°1949
Jan 2665°201546°28°4°1972
Jan 2762°201146°28°7°1957
Jan 2865°202446°28°6°1972
Jan 2964°199247°28°0°1979
Jan 3060°198447°29°4°1957
Jan 3163°201947°29°-1°1950
Feb 160°201847°29°3°1950
Feb 265°196248°29°1°1950
Feb 366°202648°29°9°1950
Feb 467°198448°29°7°1989
Feb 567°202648°29°-1°1989
Feb 665°195448°29°-3°1989
Feb 765°196348°29°-1°1989
Feb 870°201649°29°1°1989
Feb 968°201649°29°15°2025
Feb 1067°202249°30°11°1985
Feb 1170°202248°30°10°2025
Feb 1269°202248°30°6°2025
Feb 1367°199648°30°1°1949
Feb 1468°199148°29°12°1990
Feb 1570°197748°29°9°1990
Feb 1665°197748°29°7°1993
Feb 1767°201548°29°17°1975
Feb 1868°197748°29°15°1952
Feb 1967°199548°29°7°1990
Feb 2070°198848°29°13°2026
Feb 2168°199548°29°10°1952
Feb 2268°199548°29°11°2019
Feb 2370°195448°29°15°2022
Feb 2468°199148°29°9°1956
Feb 2567°199148°29°16°2022
Feb 2667°196848°29°6°1962
Feb 2771°195348°29°3°1962
Feb 2871°202549°29°9°1955
Feb 2967°202549°29°15°1960
Mar 163°195949°29°15°1971
Mar 265°196850°29°14°1951
Mar 366°195450°30°18°1963
Mar 467°202051°30°16°2018
Mar 570°201551°30°14°1995
Mar 670°201552°30°16°1956
Mar 771°201552°31°15°1956
Mar 875°201552°31°15°1974
Mar 971°200553°31°15°1951
Mar 1074°200553°31°14°1991
Mar 1174°200554°31°16°1988
Mar 1271°197954°31°13°1990
Mar 1372°199454°32°14°1952
Mar 1473°201454°32°17°1955
Mar 1577°200754°32°19°1955
Mar 1683°202654°32°16°1966
Mar 1781°202654°32°18°2002
Mar 1881°202654°32°21°1967
Mar 1980°202654°32°19°1975
Mar 2076°200454°32°19°1953
Mar 2176°200454°32°19°1994
Mar 2274°200454°32°17°1952
Mar 2376°202554°32°20°1964
Mar 2477°196055°32°19°1988
Mar 2577°201555°32°18°1995
Mar 2675°196654°32°17°1996
Mar 2776°196655°32°17°1975
Mar 2878°196655°32°23°1973
Mar 2977°200355°33°18°1996
Mar 3080°196655°33°20°1999
Mar 3175°196656°33°17°2008
Apr 176°198556°33°22°1976
Apr 277°199256°33°19°1976
Apr 380°199056°33°19°1982
Apr 479°198557°33°20°2010
Apr 581°198957°33°20°1982
Apr 684°201657°33°19°1953
Apr 785°201657°33°20°1982
Apr 881°198957°33°18°1953
Apr 980°194957°34°22°1971
Apr 1080°195157°34°26°1967
Apr 1180°195158°34°21°1953
Apr 1283°198558°34°25°1996
Apr 1381°198558°34°22°1983
Apr 1480°202559°34°22°1995
Apr 1578°194959°35°16°1963
Apr 1679°195460°35°23°2026
Apr 1780°201660°35°18°1955
Apr 1883°195060°35°20°1979
Apr 1984°200961°35°17°1963
Apr 2087°200961°36°18°2008
Apr 2182°201262°36°23°1961
Apr 2281°201262°36°22°1968
Apr 2380°201263°36°23°1958
Apr 2482°201963°36°20°1964
Apr 2582°197364°37°24°1964
Apr 2684°202364°37°14°1955
Apr 2786°202365°37°21°1967
Apr 2886°202165°37°25°1950
Apr 2986°198165°38°22°1953
Apr 3084°201566°38°21°1954
May 182°196666°38°26°1948
May 285°201766°38°24°1964
May 384°199067°38°26°1977
May 486°199267°38°27°1952
May 588°199267°39°27°1965
May 686°199268°39°26°1979
May 785°199268°39°27°2022
May 885°196968°40°22°2022
May 986°201368°40°29°1948
May 1088°201368°40°25°1970
May 1187°197368°40°23°1970
May 1289°197368°41°27°2000
May 1389°201268°41°29°1960
May 1487°197068°41°29°1985
May 1589°200669°41°27°1999
May 1693°200869°41°27°1984
May 1795°200869°42°28°1974
May 1891°200869°42°29°1989
May 1989°200870°42°29°2010
May 2087°196770°42°29°1996
May 2190°200170°43°27°1960
May 2292°201770°43°26°1960
May 2387°198371°43°26°1953
May 2490°199271°43°31°1978
May 2589°198372°43°29°1989
May 2690°198372°44°30°1977
May 2793°198372°44°33°1977
May 2894°198473°44°31°1979
May 2996°198673°44°30°2011
May 3095°198673°45°31°1988
May 3198°202173°45°28°1990
Jun 197°202174°45°32°1976
Jun 295°202174°45°32°2011
Jun 393°201674°45°29°1962
Jun 494°197774°45°32°1954
Jun 594°201375°45°33°1950
Jun 695°202475°46°33°1950
Jun 795°201575°46°29°1950
Jun 894°195575°46°33°1988
Jun 991°197475°46°31°2017
Jun 1094°201975°46°31°1988
Jun 1192°201576°46°30°1952
Jun 1290°202476°46°25°1952
Jun 1391°196176°46°30°1952
Jun 1496°196177°46°35°1991
Jun 1595°196177°46°35°1980
Jun 1697°198578°47°35°1949
Jun 1798°198578°47°33°1973
Jun 1898°201778°47°30°1995
Jun 1999°202179°48°31°1991
Jun 2095°202179°48°35°1991
Jun 2196°197079°48°35°1991
Jun 2296°198680°48°37°1984
Jun 2397°201780°48°33°1975
Jun 2495°196181°49°33°1975
Jun 2599°201581°49°36°1974
Jun 26103°202182°49°32°2012
Jun 27101°202182°50°38°1963
Jun 2899°202182°50°31°1963
Jun 2999°201383°50°36°1988
Jun 30100°201583°50°37°1952
Jul 199°201383°50°32°1976
Jul 297°199184°50°36°1982
Jul 397°200784°50°38°1982
Jul 4100°200784°50°38°1948
Jul 599°200785°51°37°1961
Jul 6104°202485°51°38°2000
Jul 7104°202485°51°37°1981
Jul 8101°202485°51°39°1974
Jul 9103°202185°51°39°1971
Jul 10101°202186°51°37°1980
Jul 11101°202186°51°40°1965
Jul 12101°202486°51°42°1966
Jul 13104°202486°51°43°1989
Jul 14100°202386°52°41°1966
Jul 15100°202386°52°41°1983
Jul 1698°197286°52°37°1955
Jul 1799°197987°52°38°1983
Jul 18100°197987°52°35°1996
Jul 1999°201387°52°37°1983
Jul 20101°201387°52°40°1993
Jul 21100°198888°52°39°1999
Jul 22100°202488°52°42°1999
Jul 2399°202488°52°42°2015
Jul 24100°202288°52°42°1948
Jul 2598°197588°52°40°1993
Jul 26100°202288°52°43°1989
Jul 27105°202288°52°38°1965
Jul 28106°202288°52°41°1965
Jul 29102°201688°52°40°1999
Jul 30100°201588°52°38°1989
Jul 31100°201788°51°37°1989
Aug 1101°201787°51°41°1989
Aug 2100°201787°51°40°1963
Aug 398°197887°51°38°1956
Aug 499°197887°51°37°1950
Aug 5100°198187°50°38°1957
Aug 6105°198187°50°41°1996
Aug 7104°198186°50°41°1976
Aug 899°198186°50°40°1950
Aug 999°197186°50°41°1949
Aug 10101°197186°50°38°1995
Aug 1197°202586°50°40°1995
Aug 1299°201286°50°40°1954
Aug 13102°202386°50°41°1974
Aug 14100°200886°50°38°1954
Aug 15100°200886°50°36°1968
Aug 1699°202286°50°38°1972
Aug 1798°195086°50°35°1995
Aug 1899°201686°50°42°1973
Aug 19100°201686°50°39°1980
Aug 2095°195086°49°40°1978
Aug 2197°196785°49°37°1968
Aug 2296°196485°49°34°1968
Aug 2395°196785°49°34°1960
Aug 2497°201084°49°37°1989
Aug 2595°201784°48°37°1960
Aug 2698°201984°48°38°1977
Aug 2798°201784°48°38°1964
Aug 2899°195084°48°38°1957
Aug 2995°195083°48°38°1951
Aug 3097°202483°48°37°1951
Aug 31101°195083°47°37°1999
Sep 1103°195582°47°37°1964
Sep 2100°195582°47°31°1964
Sep 3101°195582°47°38°1964
Sep 4101°202282°47°38°1954
Sep 5103°202282°47°36°2002
Sep 697°202182°46°34°2002
Sep 798°202081°46°34°1978
Sep 894°201581°46°37°1949
Sep 996°201580°46°33°1986
Sep 1095°200980°45°30°1985
Sep 1194°201579°45°32°1966
Sep 1294°195379°45°30°1972
Sep 1392°195379°45°28°1970
Sep 1496°198179°44°31°1955
Sep 1593°200878°44°32°2006
Sep 1692°195178°44°25°1965
Sep 1793°195178°44°29°1965
Sep 1893°195178°44°26°1965
Sep 1992°201477°44°32°1978
Sep 2094°197477°43°29°1993
Sep 2193°194977°43°31°2017
Sep 2293°200977°43°32°1993
Sep 2391°200976°43°28°1958
Sep 2492°202476°43°30°2005
Sep 2592°195276°43°30°1984
Sep 2693°196775°42°27°1986
Sep 2790°196774°42°31°1986
Sep 2890°202074°42°29°1954
Sep 2991°201074°41°26°1950
Sep 3089°201073°41°26°1950
Oct 192°195273°41°28°2005
Oct 293°198072°41°30°1973
Oct 392°198071°40°26°1969
Oct 488°198070°40°27°1969
Oct 589°198070°40°27°2009
Oct 690°198070°40°27°1957
Oct 788°202269°39°23°1990
Oct 888°199669°39°24°1968
Oct 987°199168°39°26°2019
Oct 1084°199168°38°26°1990
Oct 1187°199268°38°27°1969
Oct 1289°201568°38°27°1986
Oct 1388°201568°38°23°1966
Oct 1485°196167°38°27°1981
Oct 1584°195567°38°28°1951
Oct 1684°195566°37°25°1971
Oct 1784°197466°37°26°1996
Oct 1884°202366°37°24°1949
Oct 1983°202365°37°22°1990
Oct 2082°200364°36°24°1979
Oct 2181°196564°36°22°1961
Oct 2281°196563°36°25°1995
Oct 2384°195963°36°26°1991
Oct 2481°196562°35°23°1956
Oct 2580°198861°35°24°2020
Oct 2679°200361°35°21°1970
Oct 2780°195260°35°20°2019
Oct 2880°196260°34°20°1989
Oct 2977°196559°34°17°2019
Oct 3079°194958°34°20°1972
Oct 3175°194958°34°15°2002
Nov 180°194957°34°19°1990
Nov 277°202057°34°20°1995
Nov 377°194956°33°21°1995
Nov 477°198056°33°22°1957
Nov 574°202055°33°19°1971
Nov 677°199155°33°20°1990
Nov 772°201955°33°19°1994
Nov 872°195654°33°19°1948
Nov 973°195654°32°15°1978
Nov 1073°199054°32°12°1978
Nov 1169°199053°32°10°1978
Nov 1269°199552°32°15°1978
Nov 1373°199552°32°11°1978
Nov 1471°199552°32°12°1978
Nov 1571°194951°31°14°1958
Nov 1674°194951°31°14°1958
Nov 1771°194951°31°15°1964
Nov 1869°194950°31°12°1977
Nov 1968°200250°31°9°1977
Nov 2067°200250°30°17°1979
Nov 2167°201749°30°10°1994
Nov 2269°195448°30°12°1993
Nov 2370°195048°30°6°1993
Nov 2468°195048°30°6°1993
Nov 2564°201447°30°12°1993
Nov 2663°195947°29°14°1979
Nov 2765°202147°29°11°2015
Nov 2865°194947°29°13°2006
Nov 2960°196946°28°16°1954
Nov 3063°201346°28°15°1988
Dec 163°195846°28°12°2022
Dec 266°195845°28°17°2018
Dec 361°198945°28°11°2013
Dec 462°195845°28°7°2013
Dec 562°196545°28°6°1972
Dec 661°198844°28°5°2013
Dec 762°195944°28°1°2013
Dec 863°197544°28°-1°1972
Dec 965°195844°28°-5°1972
Dec 1072°195844°28°-5°1972
Dec 1161°195744°28°-2°1972
Dec 1266°202543°28°10°1967
Dec 1366°195843°28°8°1967
Dec 1461°195843°28°11°1948
Dec 1566°195343°28°7°1948
Dec 1668°195843°27°9°2008
Dec 1765°195843°27°6°2008
Dec 1861°195943°27°7°1967
Dec 1960°202443°27°6°1998
Dec 2057°195043°27°-5°1990
Dec 2159°199443°27°-13°1990
Dec 2260°196043°27°-1°1990
Dec 2364°195043°27°1°1990
Dec 2459°196043°27°10°1970
Dec 2558°195043°27°12°1970
Dec 2661°198043°27°9°1954
Dec 2758°194944°27°9°1971
Dec 2860°195044°27°7°1982
Dec 2965°195644°27°2°1990
Dec 3060°196344°27°6°2010
Dec 3157°195644°27°9°1964
Forecast & records → Mount Shasta station On This Day → national almanac
Data: NOAA/NWS Threaded Extremes (threadex) · normals 1991–2020 · part of Weather Trader