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Almanac · Marathon, FL · Climate Almanac
📖 Climate Almanac

Marathon, FL

24.726°N, 81.048°W · station MTHthr · 1950–2026 · 77 years of record

The Almanac Ribbon

Every day of the year at Marathon: the record high and record low ever set (outer lines), the everyday normal range (shaded band), and the full record envelope behind it.
406080100JanFebMarAprMayJunJulAugSepOctNovDeccoldestsince.com · hottestsince.com
Record high Record low Normal high–low band (1991–2020) hottest ever 99°F · coldest ever 37°F

Records by Month

MonthRecord highRecord low
Jan88°Jan 3, 201739°Jan 11, 2010
Feb89°Feb 24, 201940°Feb 24, 1989
Mar90°Mar 16, 201948°Mar 2, 1986
Apr94°Apr 26, 201552°Apr 4, 1987
May96°May 14, 201961°May 10, 1963
Jun98°Jun 8, 201965°Jun 1, 1955
Jul99°Jul 15, 198765°Jul 26, 1953
Aug98°Aug 22, 195267°Aug 27, 1957
Sep97°Sep 16, 202366°Sep 4, 1953
Oct96°Oct 9, 197156°Oct 31, 1953
Nov91°Nov 6, 198844°Nov 25, 1970
Dec88°Dec 1, 198637°Dec 24, 1989
All-time99°Jul 15, 198737°Dec 24, 1989

Longest-Standing Records

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

Oldest-standing record highs

DateRecordSetStanding
May 2892°195076yrs
Jun 197°195076yrs
Jun 395°195076yrs
Oct 2394°195076yrs
Oct 2590°195076yrs
Jun 1394°195175yrs
Sep 2293°195175yrs
May 2995°195274yrs
Aug 1194°195274yrs
Aug 2095°195274yrs
Aug 2197°195274yrs
Aug 2298°195274yrs

Oldest-standing record lows

DateRecordSetStanding
Jul 968°195076yrs
Jul 1572°195076yrs
Sep 268°195076yrs
Nov 555°195076yrs
Nov 655°195076yrs
Nov 2551°195076yrs
Dec 1849°195076yrs
Dec 1949°195076yrs
Feb 346°195175yrs
Feb 845°195175yrs
Apr 1359°195175yrs
Apr 1459°195175yrs

All-Time Extremes

Hottest ever

99°F
1987-07-15

Coldest ever

37°F
1989-12-24

Longest heat streak

72 days
≥ 90°F · ended 2011-09-17

The Warming Trend

Marathon's annual mean temperature, each year a stripe — blue below the 1991–2020 average, red above.
1951: 75.9°F (-2.9 vs 1991–2020)1952: 76.7°F (-2.1 vs 1991–2020)1953: 76.1°F (-2.7 vs 1991–2020)1954: 76.2°F (-2.6 vs 1991–2020)1955: 76.9°F (-1.9 vs 1991–2020)1956: 76.1°F (-2.7 vs 1991–2020)1957: 77.8°F (-1.0 vs 1991–2020)1958: 75.9°F (-2.9 vs 1991–2020)1959: 77.6°F (-1.2 vs 1991–2020)1960: 76.2°F (-2.6 vs 1991–2020)1961: 77.8°F (-1.0 vs 1991–2020)1962: 76.7°F (-2.1 vs 1991–2020)1963: 76.6°F (-2.2 vs 1991–2020)1964: 78.0°F (-0.8 vs 1991–2020)1965: 77.9°F (-0.9 vs 1991–2020)1969: 77.3°F (-1.5 vs 1991–2020)1970: 77.3°F (-1.5 vs 1991–2020)1971: 78.8°F (-0.0 vs 1991–2020)1972: 78.8°F (-0.0 vs 1991–2020)1983: 76.7°F (-2.1 vs 1991–2020)1984: 76.5°F (-2.3 vs 1991–2020)1985: 77.5°F (-1.3 vs 1991–2020)1986: 77.8°F (-1.0 vs 1991–2020)1987: 77.4°F (-1.4 vs 1991–2020)1988: 76.6°F (-2.2 vs 1991–2020)1989: 77.6°F (-1.2 vs 1991–2020)1990: 77.6°F (-1.2 vs 1991–2020)1991: 78.9°F (+0.1 vs 1991–2020)1992: 77.3°F (-1.5 vs 1991–2020)1993: 77.5°F (-1.3 vs 1991–2020)1994: 78.5°F (-0.3 vs 1991–2020)1995: 77.3°F (-1.5 vs 1991–2020)1996: 76.5°F (-2.3 vs 1991–2020)1997: 77.9°F (-0.9 vs 1991–2020)1998: 79.9°F (+1.1 vs 1991–2020)1999: 78.1°F (-0.7 vs 1991–2020)2000: 78.0°F (-0.8 vs 1991–2020)2001: 78.2°F (-0.6 vs 1991–2020)2002: 79.8°F (+1.0 vs 1991–2020)2003: 78.6°F (-0.2 vs 1991–2020)2004: 78.5°F (-0.3 vs 1991–2020)2005: 78.6°F (-0.2 vs 1991–2020)2006: 78.7°F (-0.1 vs 1991–2020)2007: 79.0°F (+0.2 vs 1991–2020)2008: 79.3°F (+0.5 vs 1991–2020)2009: 78.7°F (-0.1 vs 1991–2020)2010: 75.9°F (-2.9 vs 1991–2020)2011: 79.6°F (+0.8 vs 1991–2020)2012: 79.1°F (+0.3 vs 1991–2020)2013: 80.1°F (+1.3 vs 1991–2020)2014: 78.9°F (+0.1 vs 1991–2020)2015: 80.6°F (+1.8 vs 1991–2020)2016: 79.4°F (+0.6 vs 1991–2020)2017: 80.4°F (+1.6 vs 1991–2020)2018: 79.6°F (+0.8 vs 1991–2020)2019: 81.7°F (+2.9 vs 1991–2020)2020: 80.0°F (+1.2 vs 1991–2020)2021: 78.9°F (+0.1 vs 1991–2020)2022: 80.5°F (+1.7 vs 1991–2020)2023: 81.4°F (+2.6 vs 1991–2020)2024: 79.7°F (+0.9 vs 1991–2020)2025: 78.9°F (+0.1 vs 1991–2020)19512025annual mean temperature · warmer ▲ redder

Days Above / Below the Mark

45 days ≥90°F in 2026 · normal 71 · record 159 in 2019
0 days ≤32°F in 2026 · normal 0 · record 0 in 1950

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 186°200876°66°49°1984
Jan 286°197376°66°49°2008
Jan 388°201776°65°43°2008
Jan 487°201976°65°49°1962
Jan 586°197376°65°47°1953
Jan 684°197176°65°46°2010
Jan 787°201776°65°47°2010
Jan 886°197376°65°44°1996
Jan 985°199076°65°41°1996
Jan 1084°196776°64°41°2010
Jan 1185°197176°64°39°2010
Jan 1284°197276°64°45°2010
Jan 1385°201976°64°49°2010
Jan 1485°197275°64°47°1983
Jan 1584°201776°64°41°1964
Jan 1684°196076°64°50°1956
Jan 1784°201775°64°52°1958
Jan 1885°201775°64°46°1965
Jan 1984°200875°64°45°1997
Jan 2087°198775°64°41°1971
Jan 2186°201775°64°47°1971
Jan 2286°201775°64°40°1985
Jan 2386°202375°64°41°1985
Jan 2485°201976°64°41°2003
Jan 2584°202376°64°49°2003
Jan 2685°201776°64°50°1988
Jan 2785°202476°64°48°1988
Jan 2886°198476°65°45°1986
Jan 2985°197276°65°45°1986
Jan 3085°199176°65°46°2022
Jan 3185°199476°65°43°1966
Feb 186°202377°65°44°2026
Feb 285°199177°66°44°2026
Feb 386°202377°66°46°1951
Feb 484°200877°66°40°1996
Feb 585°198977°66°41°1996
Feb 686°200877°66°49°2009
Feb 788°200877°66°50°1984
Feb 887°200877°66°45°1951
Feb 986°200877°66°44°1995
Feb 1085°198977°66°44°1995
Feb 1186°198677°66°48°1973
Feb 1286°198677°66°48°1955
Feb 1386°201377°66°46°1955
Feb 1487°201377°66°46°1958
Feb 1585°201778°66°49°1996
Feb 1687°201978°66°45°1991
Feb 1787°201978°67°43°1996
Feb 1888°201978°67°43°1996
Feb 1987°201979°67°46°1958
Feb 2086°201979°67°45°2015
Feb 2186°201979°67°48°1958
Feb 2287°200879°68°53°1973
Feb 2388°201979°68°54°1964
Feb 2489°201979°68°40°1989
Feb 2587°200879°68°44°1989
Feb 2688°200879°68°46°1967
Feb 2788°201980°68°49°1989
Feb 2887°196080°68°51°2002
Feb 2987°202379°68°52°1952
Mar 187°200379°68°48°1986
Mar 287°202379°68°49°1986
Mar 387°200379°68°52°2013
Mar 489°202379°67°49°2010
Mar 588°200879°67°52°2010
Mar 688°200879°67°54°1960
Mar 787°200379°67°53°1962
Mar 887°197279°67°52°1989
Mar 988°202279°67°50°1989
Mar 1088°201979°68°52°1996
Mar 1188°202280°68°54°1996
Mar 1289°202380°68°52°1959
Mar 1387°201980°68°49°1993
Mar 1489°198880°68°48°1993
Mar 1590°201980°68°51°1993
Mar 1689°198680°68°50°1988
Mar 1789°198680°69°51°1988
Mar 1888°200380°69°56°1962
Mar 1988°200381°69°57°1960
Mar 2089°200881°69°53°1958
Mar 2188°200381°70°52°1963
Mar 2288°201481°70°49°1986
Mar 2389°202281°70°51°1986
Mar 2487°196982°70°59°2006
Mar 2588°202382°70°57°1969
Mar 2689°201582°70°53°2013
Mar 2788°202382°70°58°1969
Mar 2888°199482°71°57°1955
Mar 2990°202382°71°57°1953
Mar 3088°201982°71°58°1971
Mar 3189°201782°71°53°1987
Apr 192°201983°71°55°1987
Apr 290°202283°72°60°1985
Apr 390°202383°72°52°1987
Apr 490°202383°72°58°1987
Apr 590°200983°72°56°1987
Apr 690°202283°72°57°1987
Apr 791°198883°72°54°1971
Apr 889°200683°72°56°2009
Apr 990°201883°72°60°2022
Apr 1089°202083°72°60°1956
Apr 1190°201983°72°58°1960
Apr 1289°198883°72°63°1998
Apr 1390°201983°72°59°1951
Apr 1491°201384°73°59°1951
Apr 1590°201384°73°62°1971
Apr 1694°202084°73°60°1962
Apr 1792°202084°73°59°1952
Apr 1891°201384°73°56°1997
Apr 1993°201384°73°58°1997
Apr 2092°201584°73°60°1953
Apr 2192°202084°73°62°1953
Apr 2291°202084°73°62°1993
Apr 2391°198884°73°63°1959
Apr 2492°202084°74°63°2005
Apr 2594°201585°74°62°1983
Apr 2692°201585°74°62°1983
Apr 2793°198885°74°65°1955
Apr 2893°198885°74°63°1992
Apr 2990°197185°74°60°1992
Apr 3090°202085°74°58°1992
May 193°201985°74°62°1988
May 292°201986°75°64°1988
May 392°201986°75°65°1955
May 495°201986°75°64°1955
May 595°201986°75°63°1963
May 692°195786°75°65°1962
May 793°201986°75°65°1951
May 892°201986°75°64°1992
May 992°201986°76°61°1963
May 1092°201987°76°63°1960
May 1195°201987°76°64°1960
May 1295°201987°76°66°1960
May 1396°201987°76°68°1952
May 1492°198587°76°65°1960
May 1592°198587°76°64°1960
May 1694°201087°76°63°1951
May 1794°198987°76°69°1951
May 1894°195787°76°68°1951
May 1993°200887°76°69°1972
May 2092°200888°76°68°1956
May 2192°200888°77°69°1951
May 2293°200888°77°62°1951
May 2392°200888°77°70°1951
May 2492°200388°77°70°1956
May 2593°201788°77°70°1966
May 2693°201788°77°64°1959
May 2793°201788°77°66°1968
May 2892°195088°78°69°1953
May 2995°195288°78°62°1963
May 3093°200588°78°69°1957
May 3194°201988°78°65°1955
Jun 197°195088°78°69°1984
Jun 296°201989°78°68°1984
Jun 395°195089°78°69°1951
Jun 496°198589°78°68°1954
Jun 595°201989°78°70°1953
Jun 697°201989°78°70°1969
Jun 798°201989°79°65°2008
Jun 897°201989°79°70°1953
Jun 996°201989°79°71°1953
Jun 1096°201989°79°70°1956
Jun 1197°201990°79°69°1953
Jun 1296°201990°79°69°1953
Jun 1394°195190°79°70°1954
Jun 1494°201090°79°68°1954
Jun 1595°202390°79°68°1955
Jun 1695°202390°79°70°1955
Jun 1795°201090°79°73°1954
Jun 1895°201090°79°70°1992
Jun 1994°200990°79°70°1953
Jun 2094°200490°79°70°1953
Jun 2195°201890°79°70°1953
Jun 2294°199290°79°70°1956
Jun 2395°202390°79°68°2007
Jun 2497°198790°79°71°1954
Jun 2597°198790°79°69°1953
Jun 2697°198790°79°68°1953
Jun 2794°196990°80°68°1953
Jun 2895°199891°80°69°1953
Jun 2994°198891°80°70°1953
Jun 3095°198891°80°71°1953
Jul 197°198891°80°72°1953
Jul 296°198891°80°70°1955
Jul 396°198891°80°70°1951
Jul 496°202391°80°70°1951
Jul 595°202091°80°70°1955
Jul 696°202391°80°73°1982
Jul 797°202391°80°70°1952
Jul 896°202391°80°71°1951
Jul 997°202391°80°68°1950
Jul 1098°202391°80°68°1953
Jul 1198°202391°80°68°1953
Jul 1299°202391°80°71°1951
Jul 1398°202391°80°71°1974
Jul 1499°198791°80°69°1952
Jul 1598°202391°80°72°1950
Jul 1698°202391°80°71°1953
Jul 1798°202391°80°68°1952
Jul 1896°201891°80°69°1952
Jul 1998°202391°80°70°1959
Jul 2097°202391°80°69°1953
Jul 2198°202391°80°71°1953
Jul 2297°202391°80°68°1956
Jul 2399°202391°80°68°1953
Jul 2498°196391°80°68°1953
Jul 2596°200591°80°65°1953
Jul 2697°200591°80°70°1951
Jul 2794°196991°80°71°1954
Jul 2895°200591°80°68°1953
Jul 2997°198791°80°67°1953
Jul 3097°199391°80°70°1954
Jul 3196°202391°80°72°1953
Aug 197°200291°80°72°1953
Aug 296°200291°80°71°1956
Aug 396°198291°80°71°1952
Aug 496°200291°80°70°1952
Aug 597°200291°80°73°1952
Aug 695°200292°80°70°1954
Aug 795°198992°80°73°1953
Aug 897°202392°80°69°1967
Aug 998°198792°80°71°1953
Aug 1097°198592°80°70°1953
Aug 1194°195292°80°73°1952
Aug 1296°198592°80°71°1958
Aug 1395°197092°80°72°1953
Aug 1495°201192°80°70°1963
Aug 1598°196492°80°72°1953
Aug 1696°199392°80°70°1952
Aug 1796°199192°80°70°2007
Aug 1896°202291°80°73°1955
Aug 1995°196891°80°70°1963
Aug 2095°195291°79°71°1975
Aug 2197°195291°79°71°1953
Aug 2298°195291°79°72°1959
Aug 2396°199391°79°72°1955
Aug 2496°202291°79°71°1996
Aug 2595°196691°79°69°1960
Aug 2696°202291°79°67°1957
Aug 2796°202291°79°72°1957
Aug 2894°195291°79°69°1953
Aug 2994°202391°79°71°1953
Aug 3095°202390°79°69°1955
Aug 3195°202290°79°69°1988
Sep 196°202290°79°70°1954
Sep 294°202290°79°68°1950
Sep 395°195290°79°66°1953
Sep 494°200190°79°69°1953
Sep 595°202290°79°71°1953
Sep 695°202290°79°71°1955
Sep 795°202290°79°71°1952
Sep 895°198790°79°71°1954
Sep 995°199390°79°67°1953
Sep 1096°202290°79°68°1956
Sep 1196°202290°79°69°1956
Sep 1295°201590°79°68°1954
Sep 1395°202390°79°67°1954
Sep 1494°202289°79°68°1954
Sep 1597°202389°78°71°1956
Sep 1697°202389°78°71°1952
Sep 1795°198989°78°73°1956
Sep 1896°202389°78°67°1954
Sep 1995°198789°78°71°1953
Sep 2096°198789°78°69°1956
Sep 2194°198789°78°66°1959
Sep 2293°195189°78°69°1956
Sep 2396°198789°78°68°1953
Sep 2494°202289°78°67°1953
Sep 2596°198888°78°69°1957
Sep 2696°198788°78°71°1957
Sep 2795°200688°78°66°1954
Sep 2891°195288°78°69°1956
Sep 2992°195888°78°70°1953
Sep 3092°195988°78°69°1953
Oct 192°197188°78°67°1953
Oct 295°198988°78°67°1953
Oct 396°198988°78°68°1953
Oct 496°198888°78°68°1953
Oct 595°198887°78°67°1952
Oct 692°202387°78°68°1953
Oct 793°202387°77°67°1953
Oct 896°197187°77°66°1953
Oct 992°199387°77°67°1952
Oct 1092°200287°77°62°1955
Oct 1191°198987°77°64°1953
Oct 1291°198986°77°64°1953
Oct 1392°200386°77°63°1956
Oct 1491°197186°76°65°1956
Oct 1593°200986°76°63°1955
Oct 1691°197186°76°63°1954
Oct 1790°200786°76°65°1954
Oct 1891°200785°76°61°2009
Oct 1992°198985°76°63°1955
Oct 2090°196085°76°58°1989
Oct 2191°201385°75°63°1964
Oct 2291°201985°75°63°1989
Oct 2394°195084°75°67°1989
Oct 2492°198384°75°65°1982
Oct 2590°195084°75°62°1982
Oct 2694°198884°75°62°1982
Oct 2791°201984°74°56°1957
Oct 2891°198584°74°61°2008
Oct 2990°197284°74°58°2008
Oct 3091°199384°74°56°1953
Oct 3190°200283°74°58°1993
Nov 190°202283°74°56°2014
Nov 289°201583°73°62°2014
Nov 390°198583°73°61°1951
Nov 490°198783°73°55°1966
Nov 590°198882°73°55°1950
Nov 691°198882°73°55°1950
Nov 788°195882°72°60°1951
Nov 889°198982°72°56°1951
Nov 989°201582°72°59°1951
Nov 1089°196881°72°53°1956
Nov 1189°196581°72°59°1956
Nov 1289°197281°72°58°1962
Nov 1388°197281°71°53°1963
Nov 1488°199281°71°57°1968
Nov 1588°200880°71°57°1969
Nov 1687°201480°71°54°1970
Nov 1786°201580°71°53°1951
Nov 1886°196880°71°50°1951
Nov 1986°197280°70°54°1951
Nov 2087°197280°70°55°2006
Nov 2188°198680°70°53°2006
Nov 2286°195380°70°55°1952
Nov 2388°202279°70°53°1956
Nov 2487°195779°70°44°1970
Nov 2587°201879°69°51°1950
Nov 2687°202279°69°51°1953
Nov 2787°195879°69°53°1953
Nov 2887°197279°69°49°1956
Nov 2988°198679°69°49°1956
Nov 3088°198679°69°52°1957
Dec 188°201679°69°54°1956
Dec 287°202379°69°54°1956
Dec 388°201879°69°48°1959
Dec 486°196479°69°50°1957
Dec 586°196479°69°53°1959
Dec 688°201679°69°50°2010
Dec 786°197178°69°49°2010
Dec 887°197278°68°52°1984
Dec 986°197178°68°52°2014
Dec 1086°199478°68°49°1962
Dec 1186°201278°68°42°1957
Dec 1287°196178°68°42°1962
Dec 1387°201878°68°44°1962
Dec 1486°197278°68°45°2010
Dec 1587°197278°68°49°2010
Dec 1686°197178°68°45°1968
Dec 1786°197177°67°49°1952
Dec 1888°201677°67°49°1950
Dec 1988°201677°67°49°1950
Dec 2087°198677°67°47°1954
Dec 2184°199977°67°45°1954
Dec 2284°197077°67°45°1960
Dec 2384°195377°67°37°1989
Dec 2485°201677°67°37°1989
Dec 2584°201577°67°39°1983
Dec 2685°197177°67°40°1983
Dec 2785°200777°67°44°2010
Dec 2887°201877°67°51°1961
Dec 2986°200777°66°50°1961
Dec 3087°200777°66°50°1956
Dec 3184°196476°66°48°1956
Forecast & records → Marathon station On This Day → national almanac
Data: NOAA/NWS Threaded Extremes (threadex) · normals 1991–2020 · part of Weather Trader