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

Wellington Aero AWS Threshold Days by Year (NZM00093439)

4 fixed thresholds counted per year at Wellington Aero AWS (NZM00093439): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Wellington Aero AWS Thresholds

  • Wellington Aero AWS: days with 10 mm (0.39 in) or more of precipitation in 22 years, most in 2018 with 45.
  • Wellington Aero AWS: days with 25 mm (0.98 in) or more of precipitation in 22 years, most in 2013 with 12.
  • Wellington Aero AWS: days with 50 mm (1.97 in) or more of precipitation in 15 years, most in 2017 with 2.
  • 4 fixed thresholds have at least one qualifying day at Wellington Aero AWS.
22 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Wellington Aero AWS Days per year at Wellington Aero AWS with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 45 in 2018. 02040601996: 342004: 392005: 212006: 372007: 232008: 342009: 252010: 402011: 352012: 232013: 312014: 172015: 172016: 332017: 342018: 452019: 382020: 302021: 302022: 432023: 332024: 2319962006200920122015201820212024
Days per year at Wellington Aero AWS with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 45 in 2018.
Days with 10 mm (0.39 in) or more of precipitation per year at Wellington Aero AWS
YearDaysDecade average
19963434
20043929.8
20052129.8
20063729.8
20072329.8
20083429.8
20092529.8
20104031.3
20113531.3
20122331.3
20133131.3
20141731.3
20151731.3
20163331.3
20173431.3
20184531.3
20193831.3
20203031.8
20213031.8
20224331.8
20233331.8
20242331.8
First to last qualifying date each year at Wellington Aero AWS For each year, a bar from the first to the last day at Wellington Aero AWS meeting 10 mm (0.39 in). 1996: 13 January 1996 to 30 December 19962004: 19 January 2004 to 31 December 20042005: 6 January 2005 to 23 December 20052006: 25 January 2006 to 20 December 20062007: 10 January 2007 to 27 December 20072008: 8 January 2008 to 25 December 20082009: 18 January 2009 to 1 December 20092010: 11 January 2010 to 28 December 20102011: 19 January 2011 to 31 December 20112012: 8 January 2012 to 27 December 20122013: 3 January 2013 to 2 November 20132014: 2 January 2014 to 11 December 20142015: 8 March 2015 to 4 November 20152016: 4 January 2016 to 23 December 20162017: 22 January 2017 to 27 December 20172018: 5 January 2018 to 25 December 20182019: 14 January 2019 to 18 December 20192020: 13 January 2020 to 25 December 20202021: 15 February 2021 to 28 December 20212022: 4 February 2022 to 17 December 20222023: 7 January 2023 to 12 December 20232024: 12 April 2024 to 31 December 202419962006200920122015201820212024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Wellington Aero AWS meeting 10 mm (0.39 in).
First to last qualifying date each year at Wellington Aero AWS
YearFirst dateLast date
19961996-01-131996-12-30
20042004-01-192004-12-31
20052005-01-062005-12-23
20062006-01-252006-12-20
20072007-01-102007-12-27
20082008-01-082008-12-25
20092009-01-182009-12-01
20102010-01-112010-12-28
20112011-01-192011-12-31
20122012-01-082012-12-27
20132013-01-032013-11-02
20142014-01-022014-12-11
20152015-03-082015-11-04
20162016-01-042016-12-23
20172017-01-222017-12-27
20182018-01-052018-12-25
20192019-01-142019-12-18
20202020-01-132020-12-25
20212021-02-152021-12-28
20222022-02-042022-12-17
20232023-01-072023-12-12
20242024-04-122024-12-31

Every Fixed Threshold

Fixed thresholds at Wellington Aero AWS
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2245201823
25 mm (0.98 in): Days with 25 mm or more rain221220137
50 mm (1.97 in): Days with 50 mm or more rain15220171
100 mm (3.94 in): Days with 100 mm or more rain10n/a1

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 Wellington Aero AWS 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).