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Built 2026-10-19 (19 October 2026)

Rota Threshold Days by Year (SPE00119954)

12 fixed thresholds counted per year at Rota (SPE00119954): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Rota Thresholds

  • Rota: days with a maximum temperature at or above 30 C (86 F) in 38 years, most in 2017 with 91.
  • Rota: days with a maximum temperature at or above 35 C (95 F) in 38 years, most in 2025 with 29.
  • Rota: days with a maximum temperature at or above 90 F (32.2 C) in 38 years, most in 2025 with 54.
  • Rota: nights with a minimum temperature at or above 20 C (68 F) in 38 years, most in 2023 with 68.
  • 12 fixed thresholds have at least one qualifying day at Rota.
38 years with a qualifying day
Days at or above 30 C (86 F) per year at Rota Days per year at Rota with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 91 in 2017. 02550751001989: 551990: 461991: 581992: 431993: 361994: 471995: 361996: 481997: 401998: 491999: 382000: 562001: 462002: 372003: 672004: 732005: 662006: 672007: 512008: 422009: 612010: 612011: 682012: 642013: 672014: 472015: 672016: 812017: 912018: 522019: 442020: 672021: 482022: 682023: 772024: 522025: 732026: 611989199319972001200520092013201720212025
Days per year at Rota with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 91 in 2017.
Days at or above 30 C (86 F) per year at Rota
YearDaysDecade average
19895555
19904644.1
19915844.1
19924344.1
19933644.1
19944744.1
19953644.1
19964844.1
19974044.1
19984944.1
19993844.1
20005656.6
20014656.6
20023756.6
20036756.6
20047356.6
20056656.6
20066756.6
20075156.6
20084256.6
20096156.6
20106164.2
20116864.2
20126464.2
20136764.2
20144764.2
20156764.2
20168164.2
20179164.2
20185264.2
20194464.2
20206763.7
20214863.7
20226863.7
20237763.7
20245263.7
20257363.7
20266163.7
First to last qualifying date each year at Rota For each year, a bar from the first to the last day at Rota meeting 30 C (86 F). 1989: 11 June 1989 to 7 October 19891990: 30 May 1990 to 28 September 19901991: 24 May 1991 to 22 September 19911992: 16 May 1992 to 18 September 19921993: 13 June 1993 to 1 September 19931994: 4 June 1994 to 6 September 19941995: 28 May 1995 to 1 September 19951996: 27 May 1996 to 29 September 19961997: 29 April 1997 to 11 October 19971998: 8 June 1998 to 16 September 19981999: 11 May 1999 to 12 September 19992000: 29 May 2000 to 22 September 20002001: 25 May 2001 to 31 October 20012002: 22 March 2002 to 27 October 20022003: 14 May 2003 to 27 September 20032004: 1 June 2004 to 7 October 20042005: 19 May 2005 to 6 October 20052006: 9 May 2006 to 9 October 20062007: 8 May 2007 to 9 October 20072008: 13 June 2008 to 20 September 20082009: 10 June 2009 to 31 October 20092010: 27 April 2010 to 15 September 20102011: 23 May 2011 to 13 October 20112012: 9 May 2012 to 7 October 20122013: 3 June 2013 to 8 October 20132014: 8 April 2014 to 24 October 20142015: 9 May 2015 to 27 September 20152016: 4 May 2016 to 18 October 20162017: 18 April 2017 to 15 October 20172018: 17 June 2018 to 5 October 20182019: 11 May 2019 to 10 October 20192020: 3 May 2020 to 8 October 20202021: 19 May 2021 to 18 October 20212022: 9 May 2022 to 29 October 20222023: 24 April 2023 to 12 October 20232024: 16 April 2024 to 30 September 20242025: 26 May 2025 to 12 October 20252026: 16 April 2026 to 29 August 202619891994199920042009201420192024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Rota meeting 30 C (86 F).
First to last qualifying date each year at Rota
YearFirst dateLast date
19891989-06-111989-10-07
19901990-05-301990-09-28
19911991-05-241991-09-22
19921992-05-161992-09-18
19931993-06-131993-09-01
19941994-06-041994-09-06
19951995-05-281995-09-01
19961996-05-271996-09-29
19971997-04-291997-10-11
19981998-06-081998-09-16
19991999-05-111999-09-12
20002000-05-292000-09-22
20012001-05-252001-10-31
20022002-03-222002-10-27
20032003-05-142003-09-27
20042004-06-012004-10-07
20052005-05-192005-10-06
20062006-05-092006-10-09
20072007-05-082007-10-09
20082008-06-132008-09-20
20092009-06-102009-10-31
20102010-04-272010-09-15
20112011-05-232011-10-13
20122012-05-092012-10-07
20132013-06-032013-10-08
20142014-04-082014-10-24
20152015-05-092015-09-27
20162016-05-042016-10-18
20172017-04-182017-10-15
20182018-06-172018-10-05
20192019-05-112019-10-10
20202020-05-032020-10-08
20212021-05-192021-10-18
20222022-05-092022-10-29
20232023-04-242023-10-12
20242024-04-162024-09-30
20252025-05-262025-10-12
20262026-04-162026-08-29

Every Fixed Threshold

Fixed thresholds at Rota
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3891201761
35 C (95 F): Days3829202513
40 C (104 F): Days11620256
90 F (32.2 C): Days3854202524
100 F (37.8 C): Days221420255
0 C (32 F): Frost days (min16820121
20 C (68 F): Tropical nights (min3868202363
25 C (77 F): Days with min17620222
10 mm (0.39 in): Days with 10 mm or more rain3739199617
25 mm (0.98 in): Days with 25 mm or more rain361719964
50 mm (1.97 in): Days with 50 mm or more rain17419911
100 mm (3.94 in): Days with 100 mm or more rain2120081

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1989.

Download the Data

  • Data for Rota 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).