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Almanac · San Francisco Airport, CA · Climate Almanac
📖 Climate Almanac

San Francisco Airport, CA

37.620°N, 122.366°W · station SFOthr · 1945–2026 · 82 years of record

The Almanac Ribbon

Every day of the year at San Francisco Airport: the record high and record low ever set (outer lines), the everyday normal range (shaded band), and the full record envelope behind it.
20406080100JanFebMarAprMayJunJulAugSepOctNovDeccoldestsince.com · hottestsince.com
Record high Record low Normal high–low band (1991–2020) hottest ever 105°F · coldest ever 24°F

Records by Month

MonthRecord highRecord low
Jan74°Jan 31, 201526°Jan 5, 1949
Feb78°Feb 10, 202230°Feb 14, 1949
Mar89°Mar 20, 202631°Mar 3, 1966
Apr92°Apr 29, 198136°Apr 27, 1955
May97°May 27, 198439°May 3, 1950
Jun105°Jun 14, 200043°Jun 1, 1954
Jul99°Jul 1, 198544°Jul 29, 1951
Aug99°Aug 24, 201045°Aug 30, 1952
Sep104°Sep 1, 201741°Sep 30, 1950
Oct99°Oct 5, 198737°Oct 20, 1949
Nov85°Nov 1, 196731°Nov 30, 1954
Dec75°Dec 2, 195824°Dec 9, 1972
All-time105°Jun 14, 200024°Dec 9, 1972

Longest-Standing Records

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

Oldest-standing record highs

DateRecordSetStanding
Nov 284°194581yrs
Dec 2969°194581yrs
Mar 775°194680yrs
Aug 191°194680yrs
Sep 2191°194680yrs
Apr 1188°194779yrs
Apr 1284°194779yrs
Jan 2371°194878yrs
Jan 2472°194878yrs
May 587°194977yrs
Jun 392°194977yrs
Oct 2983°194977yrs

Oldest-standing record lows

DateRecordSetStanding
Jul 1949°194581yrs
Jul 2449°194581yrs
Jul 3049°194581yrs
Aug 149°194581yrs
Aug 1648°194581yrs
Aug 2548°194581yrs
Sep 250°194581yrs
Sep 1650°194581yrs
Nov 641°194581yrs
Nov 840°194581yrs
Jan 3132°194680yrs
Feb 1132°194680yrs

All-Time Extremes

Hottest ever

105°F
2000-06-14

Coldest ever

24°F
1972-12-09

Longest heat streak

6 days
≥ 90°F · ended 1976-06-28

The Warming Trend

San Francisco Airport's annual mean temperature, each year a stripe — blue below the 1991–2020 average, red above.
1946: 54.6°F (-4.0 vs 1991–2020)1947: 56.3°F (-2.3 vs 1991–2020)1948: 54.7°F (-3.9 vs 1991–2020)1949: 54.7°F (-3.9 vs 1991–2020)1950: 56.4°F (-2.2 vs 1991–2020)1951: 55.4°F (-3.2 vs 1991–2020)1952: 55.5°F (-3.1 vs 1991–2020)1953: 56.0°F (-2.6 vs 1991–2020)1954: 55.5°F (-3.1 vs 1991–2020)1955: 55.0°F (-3.6 vs 1991–2020)1956: 56.1°F (-2.5 vs 1991–2020)1957: 57.4°F (-1.2 vs 1991–2020)1958: 60.1°F (+1.5 vs 1991–2020)1959: 59.3°F (+0.7 vs 1991–2020)1960: 56.9°F (-1.7 vs 1991–2020)1961: 57.0°F (-1.6 vs 1991–2020)1962: 55.8°F (-2.8 vs 1991–2020)1963: 56.4°F (-2.2 vs 1991–2020)1964: 56.4°F (-2.2 vs 1991–2020)1965: 55.5°F (-3.1 vs 1991–2020)1966: 56.3°F (-2.3 vs 1991–2020)1967: 56.9°F (-1.7 vs 1991–2020)1968: 56.7°F (-1.9 vs 1991–2020)1969: 56.9°F (-1.7 vs 1991–2020)1970: 57.6°F (-1.0 vs 1991–2020)1971: 55.7°F (-2.9 vs 1991–2020)1972: 56.4°F (-2.2 vs 1991–2020)1973: 56.8°F (-1.8 vs 1991–2020)1974: 56.4°F (-2.2 vs 1991–2020)1975: 55.4°F (-3.2 vs 1991–2020)1976: 56.8°F (-1.8 vs 1991–2020)1977: 56.7°F (-1.9 vs 1991–2020)1978: 57.3°F (-1.3 vs 1991–2020)1979: 57.6°F (-1.0 vs 1991–2020)1980: 57.1°F (-1.5 vs 1991–2020)1981: 57.7°F (-0.9 vs 1991–2020)1982: 55.9°F (-2.7 vs 1991–2020)1983: 58.6°F (-0.0 vs 1991–2020)1984: 58.5°F (-0.1 vs 1991–2020)1985: 57.0°F (-1.6 vs 1991–2020)1986: 58.3°F (-0.3 vs 1991–2020)1987: 58.7°F (+0.1 vs 1991–2020)1988: 58.5°F (-0.1 vs 1991–2020)1989: 57.6°F (-1.0 vs 1991–2020)1990: 57.9°F (-0.7 vs 1991–2020)1991: 57.6°F (-1.0 vs 1991–2020)1992: 59.7°F (+1.1 vs 1991–2020)1993: 59.1°F (+0.5 vs 1991–2020)1994: 57.0°F (-1.6 vs 1991–2020)1995: 58.2°F (-0.4 vs 1991–2020)1996: 58.6°F (+0.0 vs 1991–2020)1997: 59.6°F (+1.0 vs 1991–2020)1998: 57.4°F (-1.2 vs 1991–2020)1999: 56.7°F (-1.9 vs 1991–2020)2000: 58.1°F (-0.5 vs 1991–2020)2001: 57.9°F (-0.7 vs 1991–2020)2002: 58.0°F (-0.6 vs 1991–2020)2003: 58.6°F (+0.0 vs 1991–2020)2004: 59.2°F (+0.6 vs 1991–2020)2005: 58.7°F (+0.1 vs 1991–2020)2006: 57.7°F (-0.9 vs 1991–2020)2007: 57.5°F (-1.1 vs 1991–2020)2008: 57.6°F (-1.0 vs 1991–2020)2009: 58.1°F (-0.5 vs 1991–2020)2010: 58.6°F (-0.0 vs 1991–2020)2011: 57.0°F (-1.6 vs 1991–2020)2012: 57.6°F (-1.0 vs 1991–2020)2013: 58.0°F (-0.6 vs 1991–2020)2014: 62.1°F (+3.5 vs 1991–2020)2015: 60.4°F (+1.8 vs 1991–2020)2016: 59.6°F (+1.0 vs 1991–2020)2017: 59.9°F (+1.3 vs 1991–2020)2018: 58.5°F (-0.1 vs 1991–2020)2019: 59.8°F (+1.2 vs 1991–2020)2020: 60.2°F (+1.6 vs 1991–2020)2021: 59.5°F (+0.9 vs 1991–2020)2022: 59.0°F (+0.4 vs 1991–2020)2023: 59.7°F (+1.1 vs 1991–2020)2024: 59.1°F (+0.5 vs 1991–2020)2025: 58.9°F (+0.3 vs 1991–2020)19462025annual mean temperature · warmer ▲ redder

Days Above / Below the Mark

2 days ≥90°F in 2026 · normal 4 · record 12 in 1984
0 days ≤32°F in 2026 · normal 2 · record 17 in 1949

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 168°199656°44°31°1952
Jan 269°199656°44°29°1960
Jan 369°200056°44°31°1950
Jan 466°201456°45°29°1949
Jan 566°201456°45°26°1949
Jan 666°200356°45°29°1950
Jan 766°201956°45°31°1950
Jan 870°196256°45°30°1955
Jan 971°196257°45°33°1957
Jan 1068°195357°45°29°1949
Jan 1169°195957°45°30°1949
Jan 1270°200957°45°32°1949
Jan 1372°200957°45°29°1963
Jan 1472°201457°45°31°1963
Jan 1573°201457°45°31°1963
Jan 1673°201457°45°31°1962
Jan 1774°202157°45°32°1947
Jan 1874°202157°45°30°1947
Jan 1968°197657°45°35°1961
Jan 2067°197658°45°30°1963
Jan 2168°201458°45°30°1962
Jan 2271°196858°45°32°1962
Jan 2371°194858°45°31°1949
Jan 2472°194858°45°31°1962
Jan 2569°202358°45°31°1949
Jan 2668°202358°46°30°1949
Jan 2768°198458°46°31°1949
Jan 2869°198458°46°33°1948
Jan 2966°196259°46°31°1979
Jan 3071°197659°46°30°1975
Jan 3174°201559°46°32°1946
Feb 173°201859°46°30°1950
Feb 273°201859°46°32°1949
Feb 376°201860°46°32°1979
Feb 475°201860°46°32°1955
Feb 573°201160°46°31°1989
Feb 675°201860°46°31°1989
Feb 773°198760°46°32°1989
Feb 874°201860°46°33°1948
Feb 974°201860°47°36°1956
Feb 1078°202260°47°35°1985
Feb 1174°198860°47°32°1946
Feb 1276°199660°47°32°1949
Feb 1372°202260°47°32°1946
Feb 1474°197760°47°30°1949
Feb 1575°201560°47°33°1953
Feb 1674°201660°46°35°1946
Feb 1773°200760°46°35°1956
Feb 1871°197760°46°33°1956
Feb 1972°196460°47°36°1954
Feb 2071°199160°47°36°2018
Feb 2172°198560°47°34°1953
Feb 2273°200260°47°34°1951
Feb 2376°202160°47°35°1955
Feb 2474°199160°47°35°1955
Feb 2576°202060°47°35°1953
Feb 2677°198660°47°35°2011
Feb 2776°202060°47°32°1951
Feb 2874°202660°47°33°1955
Feb 2974°195960°47°35°1955
Mar 171°199461°47°34°1953
Mar 280°195961°47°31°1966
Mar 377°195961°47°35°1948
Mar 476°195961°47°35°1955
Mar 575°197262°47°35°1971
Mar 677°195362°48°35°1956
Mar 775°194662°48°35°1956
Mar 879°200462°48°37°1974
Mar 976°200562°48°33°1951
Mar 1083°200563°48°35°1951
Mar 1177°200463°48°35°1954
Mar 1277°201763°48°33°1954
Mar 1383°201563°48°36°1953
Mar 1479°202663°48°39°1956
Mar 1583°202663°49°36°1950
Mar 1685°202663°49°36°1966
Mar 1782°200463°49°37°1973
Mar 1885°202663°49°39°1955
Mar 1989°202663°49°38°1982
Mar 2078°200463°49°38°1952
Mar 2182°202263°49°39°1951
Mar 2276°202663°49°39°1951
Mar 2378°197063°49°39°1952
Mar 2482°202563°49°38°1948
Mar 2585°195263°49°37°1964
Mar 2680°202663°49°38°1948
Mar 2777°201863°48°37°1950
Mar 2884°202663°48°38°1975
Mar 2979°201863°48°38°1955
Mar 3081°202163°48°39°1971
Mar 3184°202163°48°38°1951
Apr 183°198563°49°37°1976
Apr 285°200063°49°39°1976
Apr 382°198563°49°39°1956
Apr 484°198963°49°39°1975
Apr 589°198963°49°38°1975
Apr 689°198963°49°39°1965
Apr 792°198963°49°39°1948
Apr 890°198963°49°38°1953
Apr 984°198863°49°40°1984
Apr 1091°198864°49°38°1953
Apr 1188°194764°49°39°1983
Apr 1284°194764°49°39°1956
Apr 1384°198564°49°39°1950
Apr 1487°198464°49°38°1955
Apr 1581°199965°50°40°1975
Apr 1682°195465°50°40°1963
Apr 1783°195065°50°39°1967
Apr 1886°200965°50°39°1968
Apr 1991°200965°50°38°1967
Apr 2086°200966°50°40°1971
Apr 2183°201366°50°39°1968
Apr 2288°201966°50°42°1963
Apr 2380°201966°50°41°1960
Apr 2481°200467°51°39°1960
Apr 2587°200467°51°42°1950
Apr 2690°200467°51°36°1955
Apr 2789°198167°51°39°1967
Apr 2892°198167°51°40°1950
Apr 2990°201467°51°41°1946
Apr 3090°199667°51°44°1946
May 189°201367°51°42°1950
May 287°201767°51°39°1950
May 384°201167°51°40°1950
May 491°198767°51°40°1952
May 587°194967°51°42°1965
May 689°200767°51°41°1968
May 786°200167°51°40°1968
May 888°199367°52°41°1950
May 984°200667°52°43°1952
May 1085°195967°52°42°1953
May 1186°197967°52°42°1953
May 1296°197667°52°46°1954
May 1391°201467°52°44°1947
May 1494°197067°52°41°1968
May 1596°200867°52°43°1964
May 1693°195667°52°44°1984
May 1787°201667°52°42°1950
May 1886°197867°52°42°1950
May 1987°201767°52°45°1950
May 2093°198868°53°45°1962
May 2192°200068°53°45°1953
May 2288°198268°53°44°1952
May 2391°198268°53°45°1953
May 2487°195168°53°45°1953
May 2590°202068°53°42°1953
May 2689°202068°53°42°1954
May 2797°198468°53°45°1954
May 2894°197568°53°45°1946
May 2995°200168°53°46°1974
May 3091°200168°53°46°1962
May 3191°198968°53°43°1954
Jun 193°198769°53°45°1954
Jun 289°199669°53°45°1966
Jun 392°194969°53°45°1951
Jun 486°198369°53°46°1962
Jun 589°197270°54°46°1946
Jun 689°197970°54°45°1954
Jun 798°197370°54°46°1968
Jun 892°201970°54°47°1952
Jun 9100°201970°54°47°1953
Jun 1098°201970°54°47°1972
Jun 1188°201070°54°46°1956
Jun 1295°196670°54°46°1990
Jun 1392°196671°54°48°1968
Jun 14105°200071°54°48°1947
Jun 1595°197671°54°47°1965
Jun 1695°199371°54°44°1954
Jun 1797°201771°54°48°1954
Jun 1892°196271°54°44°1952
Jun 1996°197371°54°49°1946
Jun 2098°202271°54°46°1953
Jun 2198°198971°54°47°1950
Jun 2291°196472°54°49°1963
Jun 2396°199372°55°46°1955
Jun 2497°197672°55°44°1950
Jun 2596°200372°55°45°1950
Jun 2697°200372°55°48°1949
Jun 2797°195672°55°46°1954
Jun 2894°197672°55°48°1947
Jun 2987°199971°55°44°1949
Jun 3099°198572°55°46°1949
Jul 197°197072°55°47°1954
Jul 289°197072°55°48°1953
Jul 386°202472°55°46°1954
Jul 487°202472°55°48°1946
Jul 586°195772°55°47°1950
Jul 685°198572°55°49°1949
Jul 790°198572°55°48°1951
Jul 894°195972°55°47°1953
Jul 997°195972°55°47°1953
Jul 1093°198372°55°48°1949
Jul 1191°196472°56°47°1950
Jul 1287°198372°56°49°1955
Jul 1397°197272°56°48°1950
Jul 1498°197272°56°49°1949
Jul 1585°197872°56°49°1949
Jul 1691°196172°56°47°1954
Jul 1787°199872°56°50°1949
Jul 1890°196172°56°49°1981
Jul 1984°200372°56°49°1945
Jul 2093°199672°56°49°1949
Jul 2197°200672°56°49°1951
Jul 2289°200572°56°49°1968
Jul 2390°197472°56°50°1955
Jul 2491°197372°56°49°1945
Jul 2594°196372°56°49°1951
Jul 2686°196772°56°48°1951
Jul 2788°195472°56°48°1953
Jul 2891°197772°56°44°1951
Jul 2997°197772°56°45°1954
Jul 3097°199371°56°49°1945
Jul 3189°197571°56°48°1951
Aug 191°194672°56°49°1945
Aug 291°199872°56°45°1954
Aug 387°199872°56°48°1956
Aug 485°196172°56°49°1950
Aug 593°198272°57°46°1950
Aug 687°198372°57°46°1950
Aug 794°198472°57°47°1946
Aug 895°197072°57°48°1954
Aug 987°200972°57°47°1951
Aug 1084°195972°57°48°1946
Aug 1189°195872°57°47°1946
Aug 1289°199172°57°47°1946
Aug 1394°201972°57°47°1946
Aug 1499°202073°57°46°1955
Aug 1594°202073°57°48°1955
Aug 1686°196073°57°48°1945
Aug 1785°197873°57°48°1952
Aug 1888°199573°57°49°1955
Aug 1989°196473°57°47°1955
Aug 2085°197473°57°48°1952
Aug 2190°199973°57°48°1952
Aug 2292°201073°57°49°1953
Aug 2399°201073°57°49°1955
Aug 2486°200373°57°50°1948
Aug 2593°198873°57°48°1945
Aug 2694°199373°57°46°1951
Aug 2795°200974°57°46°1952
Aug 2890°197774°57°49°1952
Aug 2998°196874°57°45°1955
Aug 3089°200574°57°45°1952
Aug 31104°201774°57°49°1957
Sep 1104°201774°57°49°1946
Sep 293°196174°57°50°1945
Sep 392°196174°57°50°1947
Sep 497°202274°57°45°1954
Sep 595°202274°57°47°1950
Sep 6102°202074°57°51°1962
Sep 797°202074°57°48°1946
Sep 8100°198474°57°46°1946
Sep 994°197973°57°49°1947
Sep 1098°197973°56°49°1951
Sep 11100°197974°56°47°1946
Sep 12101°197174°56°47°1947
Sep 13103°197174°56°46°1947
Sep 1498°197173°56°48°1970
Sep 1589°196473°56°49°1956
Sep 1690°196873°56°50°1945
Sep 1794°198473°56°46°1955
Sep 1892°196773°56°46°1947
Sep 1993°198374°56°48°1947
Sep 2095°200374°56°45°1955
Sep 2191°194674°56°48°1960
Sep 2292°197874°56°46°1955
Sep 2394°201974°56°45°1972
Sep 2496°201974°56°49°1993
Sep 2595°195874°56°47°1948
Sep 2696°195874°56°46°1948
Sep 2795°201073°56°47°1947
Sep 2896°202073°56°45°1950
Sep 2995°202074°56°41°1950
Sep 3094°198074°56°42°1950
Oct 197°198074°55°41°1950
Oct 296°198073°55°42°1954
Oct 395°198773°55°47°1989
Oct 499°198773°55°47°1962
Oct 594°202473°55°44°1954
Oct 698°202473°55°45°1946
Oct 792°199673°55°43°1946
Oct 894°199673°55°44°1968
Oct 989°195873°55°46°1973
Oct 1089°199273°55°44°1968
Oct 1194°201073°54°46°1953
Oct 1292°201073°54°45°1951
Oct 1395°196172°54°45°1981
Oct 1495°196172°54°42°1966
Oct 1591°202072°54°44°1968
Oct 1694°202072°54°42°1971
Oct 1791°202072°54°42°1946
Oct 1888°202372°54°43°1949
Oct 1989°199172°54°37°1949
Oct 2082°196471°54°39°1949
Oct 2187°201971°54°42°1949
Oct 2290°195970°53°40°1949
Oct 2391°201770°53°42°1954
Oct 2487°200370°53°40°1953
Oct 2589°200370°53°39°1954
Oct 2686°200369°52°42°1951
Oct 2785°200369°52°40°1954
Oct 2882°195569°52°42°1954
Oct 2983°194968°52°39°1971
Oct 3083°196668°52°40°1948
Oct 3185°196768°52°40°1971
Nov 185°196767°51°41°1949
Nov 284°194567°51°38°1952
Nov 382°194966°51°38°1946
Nov 479°198066°51°36°1946
Nov 580°202066°50°41°1971
Nov 681°195566°50°41°1945
Nov 781°195566°50°41°1948
Nov 878°195565°50°40°1945
Nov 982°195565°50°39°1978
Nov 1075°195665°50°38°1946
Nov 1174°198664°50°38°1946
Nov 1276°199564°50°37°1985
Nov 1377°201064°50°36°1978
Nov 1478°200864°49°35°1978
Nov 1579°200863°49°38°1958
Nov 1674°201963°49°36°1958
Nov 1774°194963°49°36°1964
Nov 1873°198963°48°35°1994
Nov 1969°195862°48°35°1964
Nov 2070°195862°48°35°1964
Nov 2174°195962°48°35°1964
Nov 2277°195961°48°33°1947
Nov 2375°195961°48°36°1947
Nov 2472°197561°48°32°1952
Nov 2576°195961°47°36°1952
Nov 2669°195460°47°36°1952
Nov 2770°199560°47°37°1948
Nov 2871°197760°47°32°1952
Nov 2971°195960°47°31°1954
Nov 3070°195959°47°37°1976
Dec 175°195859°47°37°1967
Dec 273°195859°47°38°1968
Dec 375°195859°47°38°1956
Dec 469°197959°46°35°2013
Dec 567°197659°46°31°1972
Dec 669°197959°46°35°1947
Dec 773°202058°46°29°1978
Dec 872°202058°46°30°1972
Dec 970°195858°46°24°1972
Dec 1074°195858°46°29°1972
Dec 1175°195858°46°26°1972
Dec 1269°195858°46°29°1972
Dec 1369°195858°46°30°1972
Dec 1467°195858°45°30°1972
Dec 1571°198057°45°32°1972
Dec 1667°195857°45°30°1965
Dec 1765°195857°45°30°1965
Dec 1868°199957°44°32°1965
Dec 1969°199957°44°31°1965
Dec 2068°199957°44°28°1990
Dec 2168°199956°44°27°1990
Dec 2268°201456°44°28°1990
Dec 2365°196756°44°29°1990
Dec 2468°196756°44°30°1948
Dec 2572°196756°44°32°1954
Dec 2670°195356°44°33°1954
Dec 2771°196756°44°32°1966
Dec 2868°201356°44°33°1962
Dec 2969°194556°44°33°1978
Dec 3067°195856°44°29°1978
Dec 3167°199656°44°35°1972
Forecast & records → San Francisco Airport station On This Day → national almanac
Data: NOAA/NWS Threaded Extremes (threadex) · normals 1991–2020 · part of Weather Trader