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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Pretoria/Irene Threshold Days by Year (SFM00068263)

10 fixed thresholds counted per year at Pretoria/Irene (SFM00068263): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Pretoria/Irene Thresholds

  • Pretoria/Irene: days with a maximum temperature at or above 30 C (86 F) in 27 years, most in 2024 with 126.
  • Pretoria/Irene: days with a maximum temperature at or above 90 F (32.2 C) in 26 years, most in 2024 with 67.
  • Pretoria/Irene: nights with a minimum temperature at or below 0 C (32 F) in 12 years, most in 2009 with 5.
  • Pretoria/Irene: nights with a minimum temperature at or above 20 C (68 F) in 12 years, most in 2015 with 18.
  • 10 fixed thresholds have at least one qualifying day at Pretoria/Irene.
27 years with a qualifying day
Days at or above 30 C (86 F) per year at Pretoria/Irene Days per year at Pretoria/Irene with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 126 in 2024. 0501001501996: 211998: 421999: 332000: 32001: 192002: 362003: 892004: 512005: 572006: 312007: 762008: 502009: 212010: 402011: 332013: 682014: 332015: 1082016: 1082017: 792018: 1052019: 1132020: 592021: 632023: 882024: 1262025: 12199620002003200620092013201620192023
Days per year at Pretoria/Irene with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 126 in 2024.
Days at or above 30 C (86 F) per year at Pretoria/Irene
YearDaysDecade average
19962132
19984232
19993332
2000343.3
20011943.3
20023643.3
20038943.3
20045143.3
20055743.3
20063143.3
20077643.3
20085043.3
20092143.3
20104076.3
20113376.3
20136876.3
20143376.3
201510876.3
201610876.3
20177976.3
201810576.3
201911376.3
20205969.6
20216369.6
20238869.6
202412669.6
20251269.6
First to last qualifying date each year at Pretoria/Irene For each year, a bar from the first to the last day at Pretoria/Irene meeting 30 C (86 F). 1996: 3 January 1996 to 3 December 19961998: 18 January 1998 to 16 November 19981999: 17 January 1999 to 18 November 19992000: 2 February 2000 to 1 October 20002001: 6 January 2001 to 6 November 20012002: 1 January 2002 to 17 December 20022003: 2 January 2003 to 31 December 20032004: 1 January 2004 to 31 December 20042005: 1 January 2005 to 29 December 20052006: 17 October 2006 to 22 December 20062007: 4 January 2007 to 21 November 20072008: 1 January 2008 to 31 December 20082009: 7 January 2009 to 25 December 20092010: 1 January 2010 to 26 December 20102011: 12 February 2011 to 22 December 20112013: 4 January 2013 to 16 December 20132014: 2 January 2014 to 26 December 20142015: 6 January 2015 to 31 December 20152016: 1 January 2016 to 24 December 20162017: 1 January 2017 to 31 December 20172018: 1 January 2018 to 28 December 20182019: 11 January 2019 to 28 December 20192020: 3 January 2020 to 31 December 20202021: 1 January 2021 to 31 December 20212023: 10 January 2023 to 24 December 20232024: 1 January 2024 to 31 December 20242025: 19 January 2025 to 27 March 20251996200120052009201420182023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Pretoria/Irene meeting 30 C (86 F).
First to last qualifying date each year at Pretoria/Irene
YearFirst dateLast date
19961996-01-031996-12-03
19981998-01-181998-11-16
19991999-01-171999-11-18
20002000-02-022000-10-01
20012001-01-062001-11-06
20022002-01-012002-12-17
20032003-01-022003-12-31
20042004-01-012004-12-31
20052005-01-012005-12-29
20062006-10-172006-12-22
20072007-01-042007-11-21
20082008-01-012008-12-31
20092009-01-072009-12-25
20102010-01-012010-12-26
20112011-02-122011-12-22
20132013-01-042013-12-16
20142014-01-022014-12-26
20152015-01-062015-12-31
20162016-01-012016-12-24
20172017-01-012017-12-31
20182018-01-012018-12-28
20192019-01-112019-12-28
20202020-01-032020-12-31
20212021-01-012021-12-31
20232023-01-102023-12-24
20242024-01-012024-12-31
20252025-01-192025-03-27

Every Fixed Threshold

Fixed thresholds at Pretoria/Irene
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days27126202412
35 C (95 F): Days816202416
90 F (32.2 C): Days2667202467
100 F (37.8 C): Days1220162
0 C (32 F): Frost days (min12520092
20 C (68 F): Tropical nights (min121820151
25 C (77 F): Days with min1120161
10 mm (0.39 in): Days with 10 mm or more rain23119968
25 mm (0.98 in): Days with 25 mm or more rain2319963
50 mm (1.97 in): Days with 50 mm or more rain2219961

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1996.

Download the Data

  • Data for Pretoria/Irene 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 (2025-12-31).