Daily records
Page built 2026-10-19
Data as of 2026-10-17
Search
Built 2026-10-19 (19 October 2026)

San Antonio Kelly AFB Threshold Days by Year (USW00012909)

15 fixed thresholds counted per year at San Antonio Kelly AFB (USW00012909): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for San Antonio Kelly AFB Thresholds

  • San Antonio Kelly AFB: days with a maximum temperature at or above 30 C (86 F) in 30 years, most in 2025 with 217.
  • San Antonio Kelly AFB: days with a maximum temperature at or above 35 C (95 F) in 30 years, most in 2024 with 123.
  • San Antonio Kelly AFB: days with a maximum temperature at or above 90 F (32.2 C) in 30 years, most in 2025 with 172.
  • San Antonio Kelly AFB: nights with a minimum temperature at or below 0 C (32 F) in 30 years, most in 1963 with 30.
  • 15 fixed thresholds have at least one qualifying day at San Antonio Kelly AFB.
30 years with a qualifying day
Days at or above 30 C (86 F) per year at San Antonio Kelly AFB Days per year at San Antonio Kelly AFB with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 217 in 2025. 01002003001949: 1511950: 1841951: 1671952: 1501953: 1741954: 1781955: 1971956: 1791957: 1251958: 1331959: 1441960: 1481961: 1431962: 1671963: 1721964: 1411965: 1171966: 1291967: 1531968: 911969: 1251970: 1252019: 1582020: 1802021: 1542022: 1932023: 1682024: 2012025: 2172026: 1871949195219551958196119641967197020212024
Days per year at San Antonio Kelly AFB with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 217 in 2025.
Days at or above 30 C (86 F) per year at San Antonio Kelly AFB
YearDaysDecade average
1949151151
1950184163.1
1951167163.1
1952150163.1
1953174163.1
1954178163.1
1955197163.1
1956179163.1
1957125163.1
1958133163.1
1959144163.1
1960148138.6
1961143138.6
1962167138.6
1963172138.6
1964141138.6
1965117138.6
1966129138.6
1967153138.6
196891138.6
1969125138.6
1970125125
2019158158
2020180185.7
2021154185.7
2022193185.7
2023168185.7
2024201185.7
2025217185.7
2026187185.7
First to last qualifying date each year at San Antonio Kelly AFB For each year, a bar from the first to the last day at San Antonio Kelly AFB meeting 30 C (86 F). 1949: 6 March 1949 to 29 November 19491950: 18 March 1950 to 15 December 19501951: 6 March 1951 to 15 November 19511952: 29 February 1952 to 1 November 19521953: 1 March 1953 to 21 October 19531954: 4 February 1954 to 4 December 19541955: 1 March 1955 to 25 December 19551956: 17 February 1956 to 29 October 19561957: 9 February 1957 to 16 October 19571958: 3 April 1958 to 9 October 19581959: 17 February 1959 to 12 October 19591960: 9 February 1960 to 13 October 19601961: 14 April 1961 to 9 October 19611962: 9 February 1962 to 11 November 19621963: 4 March 1963 to 15 October 19631964: 3 April 1964 to 17 October 19641965: 18 April 1965 to 16 October 19651966: 1 April 1966 to 22 October 19661967: 3 March 1967 to 26 November 19671968: 27 April 1968 to 30 October 19681969: 27 April 1969 to 12 November 19691970: 12 April 1970 to 25 October 19702019: 15 February 2019 to 24 October 20192020: 11 March 2020 to 14 November 20202021: 27 March 2021 to 26 October 20212022: 21 February 2022 to 7 November 20222023: 21 February 2023 to 7 November 20232024: 22 February 2024 to 30 December 20242025: 3 February 2025 to 25 November 20252026: 2 January 2026 to 14 October 202619491953195719611965196920212025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at San Antonio Kelly AFB meeting 30 C (86 F).
First to last qualifying date each year at San Antonio Kelly AFB
YearFirst dateLast date
19491949-03-061949-11-29
19501950-03-181950-12-15
19511951-03-061951-11-15
19521952-02-291952-11-01
19531953-03-011953-10-21
19541954-02-041954-12-04
19551955-03-011955-12-25
19561956-02-171956-10-29
19571957-02-091957-10-16
19581958-04-031958-10-09
19591959-02-171959-10-12
19601960-02-091960-10-13
19611961-04-141961-10-09
19621962-02-091962-11-11
19631963-03-041963-10-15
19641964-04-031964-10-17
19651965-04-181965-10-16
19661966-04-011966-10-22
19671967-03-031967-11-26
19681968-04-271968-10-30
19691969-04-271969-11-12
19701970-04-121970-10-25
20192019-02-152019-10-24
20202020-03-112020-11-14
20212021-03-272021-10-26
20222022-02-212022-11-07
20232023-02-212023-11-07
20242024-02-222024-12-30
20252025-02-032025-11-25
20262026-01-022026-10-14

Every Fixed Threshold

Fixed thresholds at San Antonio Kelly AFB
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days302172025187
35 C (95 F): Days30123202488
40 C (104 F): Days142820233
90 F (32.2 C): Days301722025150
100 F (37.8 C): Days2777202340
0 C (32 F): Ice days (max6520211
0 C (32 F): Frost days (min3030196310
-10 C (14 F): Days with min5219491
20 C (68 F): Tropical nights (min301702024164
25 C (77 F): Days with min3074202469
10 mm (0.39 in): Days with 10 mm or more rain2833196921
25 mm (0.98 in): Days with 25 mm or more rain281419578
50 mm (1.97 in): Days with 50 mm or more rain22719572
100 mm (3.94 in): Days with 100 mm or more rain5119591
10 cm (3.9 in): Days with 10 cm or more snowfall1119491

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

  • Data for San Antonio Kelly AFB 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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-17).