Built 2026-10-16 (16 October 2026)

Austin San Antonio Weather Records (USW00012971)

Record envelope, standing records and threshold days for Austin San Antonio (USW00012971), Texas, United States, with 31 years of record.

Key Facts for Austin San Antonio

  • Austin San Antonio (USW00012971) is a weather station in Texas, United States at 29.70 latitude and -98.03 longitude, 234 m (767 ft) above sea level.
  • The station reports from 1996 to 2026, 31 years of record.
  • 1,464 records set at Austin San Antonio still stand.
  • Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

  • Location: Texas, United States, 29.70 latitude, -98.03 longitude.
  • Elevation: 234 m (767 ft).
  • Period of record: 1996 to 2026, 31 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

37 days at or beyond a record
Daily record high and record low at Austin San Antonio, with 2026 drawn through them The band shows the record high and record low for each calendar day at Austin San Antonio. The lines show the 2026 daily maximum and minimum. 37 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -200204060 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Austin San Antonio. The lines show the 2026 daily maximum and minimum. 37 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Austin San Antonio, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan30.6 C (87.1 F)-10.0 C (14.0 F)26.1 C (79.0 F)-6.0 C (21.2 F)
Feb34.4 C (93.9 F)-11.6 C (11.1 F)32.2 C (90.0 F)-6.6 C (20.1 F)
Mar36.1 C (97.0 F)-9.4 C (15.1 F)36.1 C (97.0 F)2.2 C (36.0 F)
Apr38.3 C (100.9 F)1.1 C (34.0 F)33.9 C (93.0 F)1.7 C (35.1 F)
May39.4 C (102.9 F)3.9 C (39.0 F)38.3 C (100.9 F)10.0 C (50.0 F)
Jun42.8 C (109.0 F)13.3 C (55.9 F)35.6 C (96.1 F)18.9 C (66.0 F)
Jul42.8 C (109.0 F)16.7 C (62.1 F)38.3 C (100.9 F)17.8 C (64.0 F)
Aug43.9 C (111.0 F)16.1 C (61.0 F)38.9 C (102.0 F)20.6 C (69.1 F)
Sep44.4 C (111.9 F)7.2 C (45.0 F)39.4 C (102.9 F)16.1 C (61.0 F)
Oct37.8 C (100.0 F)0.6 C (33.1 F)35.6 C (96.1 F)4.4 C (39.9 F)
Nov35.0 C (95.0 F)-4.9 C (23.2 F)31.7 C (89.1 F)2.2 C (36.0 F)
Dec31.7 C (89.1 F)-8.8 C (16.2 F)27.2 C (81.0 F)0.0 C (32.0 F)

Which Years Hold Standing Records

1,464 standing records
Standing records at Austin San Antonio by the year they were set 1,464 records at Austin San Antonio still stand. 2009 holds the most, with 80. 0204060801996: 341997: 561998: 411999: 412000: 592001: 382002: 472003: 492004: 422005: 482006: 472007: 412008: 462009: 802010: 402011: 632012: 352013: 452014: 482015: 382016: 312017: 572018: 372019: 502020: 612021: 462022: 582023: 792024: 542025: 531996199920022005200820112014201720202023
1,464 records at Austin San Antonio still stand. 2009 holds the most, with 80.
Standing records at Austin San Antonio by the year they were set
Year setStanding records
199634
199756
199841
199941
200059
200138
200247
200349
200442
200548
200647
200741
200846
200980
201040
201163
201235
201345
201448
201538
201631
201757
201837
201950
202061
202146
202258
202379
202454
202553

Wettest Day of Each Month

Jul: 205.5 mm (8.1 in)
Record daily precipitation for each month at Austin San Antonio The wettest day on record for each calendar month at Austin San Antonio. The most was 205.5 mm (8.1 in) on 20 July 2007. 0100200300 Jan: 81.3 mm (3.2 in), 25 January 2012 Jan Feb: 43.2 mm (1.7 in), 20 February 2003 Feb Mar: 124.0 mm (4.9 in), 28 March 2018 Mar Apr: 64.8 mm (2.6 in), 11 April 2017 Apr May: 71.6 mm (2.8 in), 24 May 2013 May Jun: 129.5 mm (5.1 in), 12 June 2025 Jun Jul: 205.5 mm (8.1 in), 20 July 2007 Jul Aug: 134.1 mm (5.3 in), 26 August 2017 Aug Sep: 110.5 mm (4.4 in), 7 September 2010 Sep Oct: 79.8 mm (3.1 in), 24 October 2015 Oct Nov: 143.3 mm (5.6 in), 15 November 2001 Nov Dec: 94.0 mm (3.7 in), 3 December 2016 Dec
The wettest day on record for each calendar month at Austin San Antonio. The most was 205.5 mm (8.1 in) on 20 July 2007.
Record daily precipitation for each month at Austin San Antonio
MonthRecord daily precipitation (mm)Date
Jan81.3 mm (3.2 in)25 January 2012
Feb43.2 mm (1.7 in)20 February 2003
Mar124.0 mm (4.9 in)28 March 2018
Apr64.8 mm (2.6 in)11 April 2017
May71.6 mm (2.8 in)24 May 2013
Jun129.5 mm (5.1 in)12 June 2025
Jul205.5 mm (8.1 in)20 July 2007
Aug134.1 mm (5.3 in)26 August 2017
Sep110.5 mm (4.4 in)7 September 2010
Oct79.8 mm (3.1 in)24 October 2015
Nov143.3 mm (5.6 in)15 November 2001
Dec94.0 mm (3.7 in)3 December 2016

Period of Record Coverage

1996 to 2025
Days with data per year at Austin San Antonio 30 years of record at Austin San Antonio, 1996 to 2025. 1 years have data for under 90 percent of days and are left out of rankings: 1996. 1996: 157 of 366 days1997: 359 of 365 days1998: 332 of 365 days1999: 361 of 365 days2000: 362 of 366 days2001: 363 of 365 days2002: 364 of 365 days2003: 365 of 365 days2004: 366 of 366 days2005: 365 of 365 days2006: 365 of 365 days2007: 365 of 365 days2008: 366 of 366 days2009: 364 of 365 days2010: 365 of 365 days2011: 365 of 365 days2012: 366 of 366 days2013: 365 of 365 days2014: 365 of 365 days2015: 365 of 365 days2016: 366 of 366 days2017: 365 of 365 days2018: 364 of 365 days2019: 365 of 365 days2020: 366 of 366 days2021: 364 of 365 days2022: 364 of 365 days2023: 365 of 365 days2024: 366 of 366 days2025: 363 of 365 days200020052010201520202025
30 years of record at Austin San Antonio, 1996 to 2025. 1 years have data for under 90 percent of days and are left out of rankings: 1996.
Days with data per year at Austin San Antonio
YearDays with dataShare of yearComplete
199615743%No
199735998%Yes
199833291%Yes
199936199%Yes
200036299%Yes
200136399%Yes
2002364100%Yes
2003365100%Yes
2004366100%Yes
2005365100%Yes
2006365100%Yes
2007365100%Yes
2008366100%Yes
2009364100%Yes
2010365100%Yes
2011365100%Yes
2012366100%Yes
2013365100%Yes
2014365100%Yes
2015365100%Yes
2016366100%Yes
2017365100%Yes
2018364100%Yes
2019365100%Yes
2020366100%Yes
2021364100%Yes
2022364100%Yes
2023365100%Yes
2024366100%Yes
202536399%Yes

Latest Records

0

No records were set at this station in the latest data.

Climate Trend

28 complete years, 1997 to 2025
Annual mean temperature at Austin San Antonio as warming stripes, 1997 to 2025 One stripe for each of 28 complete years at Austin San Antonio, 1997 to 2025. Blue stripes are years cooler than the station's own mean of 21.1 C (69.9 F); red stripes are warmer. The coolest year was 1997, at 19.4 C (66.9 F), and the warmest was 2024, at 22.9 C (73.1 F). The strongest colour marks a difference of 1.8 C (3.2 F). 1997: 19.4 C, -1.7 C from the station mean1999: 20.9 C, -0.2 C from the station mean2000: 20.7 C, -0.4 C from the station mean2001: 20.0 C, -1.1 C from the station mean2002: 20.0 C, -1.0 C from the station mean2003: 20.2 C, -0.9 C from the station mean2004: 20.3 C, -0.7 C from the station mean2005: 21.0 C, -0.1 C from the station mean2006: 21.8 C, +0.8 C from the station mean2007: 20.1 C, -0.9 C from the station mean2008: 21.3 C, +0.2 C from the station mean2009: 21.7 C, +0.6 C from the station mean2010: 20.0 C, -1.0 C from the station mean2011: 21.4 C, +0.3 C from the station mean2012: 21.1 C, 0.0 C from the station mean2013: 20.3 C, -0.8 C from the station mean2014: 20.3 C, -0.8 C from the station mean2015: 21.2 C, +0.1 C from the station mean2016: 21.6 C, +0.5 C from the station mean2017: 21.9 C, +0.9 C from the station mean2018: 20.9 C, -0.2 C from the station mean2019: 21.1 C, 0.0 C from the station mean2020: 22.2 C, +1.2 C from the station mean2021: 21.3 C, +0.2 C from the station mean2022: 21.6 C, +0.5 C from the station mean2023: 22.5 C, +1.5 C from the station mean2024: 22.9 C, +1.8 C from the station mean2025: 22.0 C, +1.0 C from the station mean1997200020052010201520202025
One stripe for each of 28 complete years at Austin San Antonio, 1997 to 2025. Blue stripes are years cooler than the station's own mean of 21.1 C (69.9 F); red stripes are warmer. The coolest year was 1997, at 19.4 C (66.9 F), and the warmest was 2024, at 22.9 C (73.1 F). The strongest colour marks a difference of 1.8 C (3.2 F).
Annual mean temperature at Austin San Antonio as warming stripes, 1997 to 2025
YearAnnual mean temperatureDifference from the station mean
199719.4 C-1.65 C
199920.9 C-0.17 C
200020.7 C-0.36 C
200120.0 C-1.10 C
200220.0 C-1.01 C
200320.2 C-0.85 C
200420.3 C-0.71 C
200521.0 C-0.05 C
200621.8 C+0.76 C
200720.1 C-0.93 C
200821.3 C+0.23 C
200921.7 C+0.61 C
201020.0 C-1.03 C
201121.4 C+0.30 C
201221.1 C+0.03 C
201320.3 C-0.80 C
201420.3 C-0.78 C
201521.2 C+0.13 C
201621.6 C+0.52 C
201721.9 C+0.89 C
201820.9 C-0.15 C
201921.1 C+0.05 C
202022.2 C+1.17 C
202121.3 C+0.22 C
202221.6 C+0.55 C
202322.5 C+1.47 C
202422.9 C+1.80 C
202522.0 C+0.98 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1996 to 2026
Yearly extremes at Austin San Antonio: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)44.4 C (111.9 F)200040.6 C (105.1 F)31
Coldest night (TNn)-11.6 C (11.1 F)2021-5.6 C (21.9 F)31
Wettest day (Rx1day)205.5 mm (8.1 in)200767.1 mm (2.6 in)29
Wettest five days (Rx5day)272.3 mm (10.7 in)2007111.9 mm (4.4 in)29
Longest dry spell (CDD)77 days201239 days29

Hottest day (TXx)

Hottest day (TXx) at Austin San Antonio by year The hottest day of the year at Austin San Antonio, 1996 to 2026. The record is 44.4 C (111.9 F) in 2000, marked on the chart; the median year is 40.6 C (105.1 F). 363840424446200020052010201520202025Record: 44.4 C (111.9 F) in 2000
The hottest day of the year at Austin San Antonio, 1996 to 2026. The record is 44.4 C (111.9 F) in 2000, marked on the chart; the median year is 40.6 C (105.1 F).
Hottest day (TXx) at Austin San Antonio by year
YearHottest day (TXx)
199639.4 C (102.9 F)
199738.9 C (102.0 F)
199842.8 C (109.0 F)
199940.6 C (105.1 F)
200044.4 C (111.9 F)
200139.4 C (102.9 F)
200238.3 C (100.9 F)
200340.0 C (104.0 F)
200437.2 C (99.0 F)
200541.1 C (106.0 F)
200639.4 C (102.9 F)
200737.8 C (100.0 F)
200840.0 C (104.0 F)
200941.7 C (107.1 F)
201041.1 C (106.0 F)
201143.9 C (111.0 F)
201240.6 C (105.1 F)
201341.7 C (107.1 F)
201439.4 C (102.9 F)
201541.1 C (106.0 F)
201638.3 C (100.9 F)
201741.7 C (107.1 F)
201841.1 C (106.0 F)
201940.0 C (104.0 F)
202042.8 C (109.0 F)
202137.8 C (100.0 F)
202242.2 C (108.0 F)
202342.2 C (108.0 F)
202443.3 C (109.9 F)
202539.4 C (102.9 F)
202640.0 C (104.0 F)

Coldest night (TNn)

Coldest night (TNn) at Austin San Antonio by year The coldest night of the year at Austin San Antonio, 1996 to 2026. The record is -11.6 C (11.1 F) in 2021, marked on the chart; the median year is -5.6 C (21.9 F). -12.5-10-7.5-5-2.5200020052010201520202025Record: -11.6 C (11.1 F) in 2021
The coldest night of the year at Austin San Antonio, 1996 to 2026. The record is -11.6 C (11.1 F) in 2021, marked on the chart; the median year is -5.6 C (21.9 F).
Coldest night (TNn) at Austin San Antonio by year
YearColdest night (TNn)
1996-8.3 C (17.1 F)
1997-5.0 C (23.0 F)
1998-5.6 C (21.9 F)
1999-5.0 C (23.0 F)
2000-7.2 C (19.0 F)
2001-3.9 C (25.0 F)
2002-9.4 C (15.1 F)
2003-4.4 C (24.1 F)
2004-5.0 C (23.0 F)
2005-3.3 C (26.1 F)
2006-4.4 C (24.1 F)
2007-6.1 C (21.0 F)
2008-5.6 C (21.9 F)
2009-6.1 C (21.0 F)
2010-10.0 C (14.0 F)
2011-7.2 C (19.0 F)
2012-3.9 C (25.0 F)
2013-3.2 C (26.2 F)
2014-9.3 C (15.3 F)
2015-2.7 C (27.1 F)
2016-3.8 C (25.2 F)
2017-8.2 C (17.2 F)
2018-8.8 C (16.2 F)
2019-3.2 C (26.2 F)
2020-3.2 C (26.2 F)
2021-11.6 C (11.1 F)
2022-8.8 C (16.2 F)
2023-2.7 C (27.1 F)
2024-9.3 C (15.3 F)
2025-6.6 C (20.1 F)
2026-8.9 C (16.0 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Austin San Antonio by year The wettest day of the year at Austin San Antonio, 1996 to 2026. The record is 205.5 mm (8.1 in) in 2007, marked on the chart; the median year is 67.1 mm (2.6 in). 050100150200250200020052010201520202025Record: 205.5 mm (8.1 in) in 2007
The wettest day of the year at Austin San Antonio, 1996 to 2026. The record is 205.5 mm (8.1 in) in 2007, marked on the chart; the median year is 67.1 mm (2.6 in).
Wettest day (Rx1day) at Austin San Antonio by year
YearWettest day (Rx1day)
1996n/a
1997n/a
199872.4 mm (2.9 in)
199942.7 mm (1.7 in)
200065.3 mm (2.6 in)
2001143.3 mm (5.6 in)
200267.1 mm (2.6 in)
200361.5 mm (2.4 in)
2004130.6 mm (5.1 in)
200554.9 mm (2.2 in)
200639.6 mm (1.6 in)
2007205.5 mm (8.1 in)
200830.7 mm (1.2 in)
200957.2 mm (2.3 in)
2010122.7 mm (4.8 in)
201152.1 mm (2.1 in)
201281.3 mm (3.2 in)
2013100.8 mm (4.0 in)
201459.7 mm (2.4 in)
201579.8 mm (3.1 in)
201694.0 mm (3.7 in)
2017134.1 mm (5.3 in)
2018124.0 mm (4.9 in)
201964.3 mm (2.5 in)
202058.9 mm (2.3 in)
202171.9 mm (2.8 in)
202225.9 mm (1.0 in)
202350.0 mm (2.0 in)
202450.3 mm (2.0 in)
2025129.5 mm (5.1 in)
202686.9 mm (3.4 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Austin San Antonio by year The wettest five days of the year at Austin San Antonio, 1996 to 2026. The record is 272.3 mm (10.7 in) in 2007, marked on the chart; the median year is 111.9 mm (4.4 in). 0100200300200020052010201520202025Record: 272.3 mm (10.7 in) in 2007
The wettest five days of the year at Austin San Antonio, 1996 to 2026. The record is 272.3 mm (10.7 in) in 2007, marked on the chart; the median year is 111.9 mm (4.4 in).
Wettest five days (Rx5day) at Austin San Antonio by year
YearWettest five days (Rx5day)
1996n/a
1997n/a
1998161.5 mm (6.4 in)
199971.7 mm (2.8 in)
2000115.9 mm (4.6 in)
2001153.7 mm (6.1 in)
2002109.0 mm (4.3 in)
200389.4 mm (3.5 in)
2004175.3 mm (6.9 in)
200569.6 mm (2.7 in)
200660.9 mm (2.4 in)
2007272.3 mm (10.7 in)
200850.5 mm (2.0 in)
200997.1 mm (3.8 in)
2010148.6 mm (5.9 in)
201152.1 mm (2.1 in)
2012116.1 mm (4.6 in)
2013127.2 mm (5.0 in)
201463.5 mm (2.5 in)
2015113.5 mm (4.5 in)
2016131.6 mm (5.2 in)
2017181.0 mm (7.1 in)
2018126.8 mm (5.0 in)
201971.1 mm (2.8 in)
202098.5 mm (3.9 in)
2021111.9 mm (4.4 in)
202253.0 mm (2.1 in)
202370.4 mm (2.8 in)
2024104.4 mm (4.1 in)
2025138.4 mm (5.4 in)
2026121.4 mm (4.8 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Austin San Antonio by year The longest dry spell of the year at Austin San Antonio, 1996 to 2026. The record is 77 days in 2012, marked on the chart; the median year is 39 days. 020406080200020052010201520202025Record: 77 days in 2012
The longest dry spell of the year at Austin San Antonio, 1996 to 2026. The record is 77 days in 2012, marked on the chart; the median year is 39 days.
Longest dry spell (CDD) at Austin San Antonio by year
YearLongest dry spell (CDD)
1996n/a
1997n/a
199856 days
199928 days
200049 days
200154 days
200239 days
200340 days
200425 days
200534 days
200623 days
200745 days
200854 days
200933 days
201043 days
201176 days
201277 days
201359 days
201436 days
201545 days
201627 days
201727 days
201831 days
201930 days
202031 days
202124 days
202248 days
202360 days
202463 days
202518 days
202630 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Frost Dates and Growing Season

27 years with a frost

Across 27 years with a frost, the median last spring frost at Austin San Antonio falls on 27 February and the median first autumn frost on 24 November, which leaves a median of 276 days between them.

Fitted over all years, the growing season changes by +7.4 days per decade at this station.

Frost dates and growing season at Austin San Antonio
MeasureMedian, all yearsEarliest periodRecent period (1997 to 2025)Recent against earliestFitted trend
Last spring frost27 Februaryn/a27 Februaryn/a-1.6 days per decade
First autumn frost24 Novembern/a24 Novembern/a+5.8 days per decade
Growing days276 daysn/a276 daysn/a+7.4 days per decade

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Download the Data

  • Data for Austin San Antonio standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Austin San Antonio threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2025-12-31).