Built 2026-10-19 (19 October 2026)

Horn Island Threshold Days by Year (ASN00027058)

11 fixed thresholds counted per year at Horn Island (ASN00027058): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Horn Island Thresholds

  • Horn Island: nights with a minimum temperature at or above 20 C (68 F) in 29 years, most in 2016 with 365.
  • Horn Island: nights with a minimum temperature at or above 25 C (77 F) in 29 years, most in 2010 with 253.
  • Horn Island: days with a maximum temperature at or above 30 C (86 F) in 28 years, most in 2010 with 321.
  • Horn Island: days with a maximum temperature at or above 90 F (32.2 C) in 28 years, most in 2016 with 95.
  • 11 fixed thresholds have at least one qualifying day at Horn Island.
28 years with a qualifying day
Days at or above 30 C (86 F) per year at Horn Island Days per year at Horn Island with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 321 in 2010. 01002003004001999: 1572000: 1992001: 1972002: 2452003: 2172004: 1842005: 2192006: 1762007: 2402008: 2252009: 2422010: 3212011: 2232012: 2462013: 2562014: 2212015: 2002016: 3062017: 2422018: 2332019: 2122020: 2612021: 2772022: 2902023: 2592024: 2652025: 2542026: 1311999200220052008201120142017202020232026
Days per year at Horn Island with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 321 in 2010.
Days at or above 30 C (86 F) per year at Horn Island
YearDaysDecade average
1999157157
2000199214.4
2001197214.4
2002245214.4
2003217214.4
2004184214.4
2005219214.4
2006176214.4
2007240214.4
2008225214.4
2009242214.4
2010321246
2011223246
2012246246
2013256246
2014221246
2015200246
2016306246
2017242246
2018233246
2019212246
2020261248.1
2021277248.1
2022290248.1
2023259248.1
2024265248.1
2025254248.1
2026131248.1
First to last qualifying date each year at Horn Island For each year, a bar from the first to the last day at Horn Island meeting 30 C (86 F). 1999: 4 January 1999 to 31 December 19992000: 1 January 2000 to 31 December 20002001: 1 January 2001 to 31 December 20012002: 1 January 2002 to 30 December 20022003: 1 January 2003 to 29 December 20032004: 4 January 2004 to 31 December 20042005: 3 January 2005 to 31 December 20052006: 1 January 2006 to 31 December 20062007: 1 January 2007 to 31 December 20072008: 5 January 2008 to 31 December 20082009: 1 January 2009 to 31 December 20092010: 1 January 2010 to 30 December 20102011: 1 January 2011 to 31 December 20112012: 1 January 2012 to 31 December 20122013: 1 January 2013 to 31 December 20132014: 1 January 2014 to 31 December 20142015: 1 January 2015 to 31 December 20152016: 1 January 2016 to 29 December 20162017: 1 January 2017 to 31 December 20172018: 1 January 2018 to 31 December 20182019: 1 January 2019 to 31 December 20192020: 1 January 2020 to 31 December 20202021: 1 January 2021 to 31 December 20212022: 1 January 2022 to 27 December 20222023: 2 January 2023 to 31 December 20232024: 1 January 2024 to 27 December 20242025: 3 January 2025 to 31 December 20252026: 1 January 2026 to 6 October 20261999200320072011201520192023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Horn Island meeting 30 C (86 F).
First to last qualifying date each year at Horn Island
YearFirst dateLast date
19991999-01-041999-12-31
20002000-01-012000-12-31
20012001-01-012001-12-31
20022002-01-012002-12-30
20032003-01-012003-12-29
20042004-01-042004-12-31
20052005-01-032005-12-31
20062006-01-012006-12-31
20072007-01-012007-12-31
20082008-01-052008-12-31
20092009-01-012009-12-31
20102010-01-012010-12-30
20112011-01-012011-12-31
20122012-01-012012-12-31
20132013-01-012013-12-31
20142014-01-012014-12-31
20152015-01-012015-12-31
20162016-01-012016-12-29
20172017-01-012017-12-31
20182018-01-012018-12-31
20192019-01-012019-12-31
20202020-01-012020-12-31
20212021-01-012021-12-31
20222022-01-012022-12-27
20232023-01-022023-12-31
20242024-01-012024-12-27
20252025-01-032025-12-31
20262026-01-012026-10-06

Every Fixed Threshold

Fixed thresholds at Horn Island
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days283212010131
35 C (95 F): Days61420022
90 F (32.2 C): Days289520161
100 F (37.8 C): Days1120021
20 C (68 F): Tropical nights (min293652016279
25 C (77 F): Days with min29253201081
10 mm (0.39 in): Days with 10 mm or more rain2859200048
25 mm (0.98 in): Days with 25 mm or more rain2835199922
50 mm (1.97 in): Days with 50 mm or more rain281719996
100 mm (3.94 in): Days with 100 mm or more rain25720001
200 mm (7.87 in): Days with 200 mm or more rain1120161

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1999.

Download the Data

  • Data for Horn Island 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).