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Data as of 2026-10-13
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Built 2026-10-15 (15 October 2026)

Sydney Harbour (Wedding Cake W Weather Records (ASN00066196)

Record envelope, standing records and threshold days for Sydney Harbour (Wedding Cake W (ASN00066196), Australia, with 30 years of record.

Key Facts for Sydney Harbour (Wedding Cake W

  • Sydney Harbour (Wedding Cake W (ASN00066196) is a weather station in Australia at -33.84 latitude and 151.26 longitude, 6 m (20 ft) above sea level.
  • The station reports from 1997 to 2026, 30 years of record.
  • 1,464 records set at Sydney Harbour (Wedding Cake W still stand.
  • Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

  • Location: Australia, -33.84 latitude, 151.26 longitude.
  • Elevation: 6 m (20 ft).
  • Period of record: 1997 to 2026, 30 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

18 days at or beyond a record
Daily record high and record low at Sydney Harbour (Wedding Cake W, with 2026 drawn through them The band shows the record high and record low for each calendar day at Sydney Harbour (Wedding Cake W. The lines show the 2026 daily maximum and minimum. 18 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. 010203040 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Sydney Harbour (Wedding Cake W. The lines show the 2026 daily maximum and minimum. 18 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Sydney Harbour (Wedding Cake W, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan36.2 C (97.2 F)14.8 C (58.6 F)32.1 C (89.8 F)17.8 C (64.0 F)
Feb35.6 C (96.1 F)14.7 C (58.5 F)34.7 C (94.5 F)17.2 C (63.0 F)
Mar34.8 C (94.6 F)13.2 C (55.8 F)29.6 C (85.3 F)13.4 C (56.1 F)
Apr32.4 C (90.3 F)10.7 C (51.3 F)27.9 C (82.2 F)12.4 C (54.3 F)
May27.0 C (80.6 F)8.0 C (46.4 F)23.8 C (74.8 F)11.2 C (52.2 F)
Jun24.1 C (75.4 F)5.0 C (41.0 F)21.2 C (70.2 F)9.9 C (49.8 F)
Jul25.2 C (77.4 F)6.1 C (43.0 F)22.0 C (71.6 F)8.8 C (47.8 F)
Aug30.4 C (86.7 F)6.2 C (43.2 F)22.0 C (71.6 F)9.0 C (48.2 F)
Sep34.1 C (93.4 F)7.0 C (44.6 F)31.5 C (88.7 F)10.5 C (50.9 F)
Oct35.8 C (96.4 F)8.8 C (47.8 F)27.2 C (81.0 F)16.2 C (61.2 F)
Nov35.6 C (96.1 F)11.0 C (51.8 F)n/an/a
Dec37.5 C (99.5 F)12.1 C (53.8 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Sydney Harbour (Wedding Cake W by the year they were set 1,464 records at Sydney Harbour (Wedding Cake W still stand. 2011 holds the most, with 81. 02550751001997: 211998: 421999: 42001: 342002: 602003: 612004: 622005: 542006: 612010: 492011: 812012: 602013: 672014: 702015: 652016: 752017: 452018: 752019: 572020: 562021: 612022: 652023: 562024: 642025: 732026: 46199720012004201020132016201920222025
1,464 records at Sydney Harbour (Wedding Cake W still stand. 2011 holds the most, with 81.
Standing records at Sydney Harbour (Wedding Cake W by the year they were set
Year setStanding records
199721
199842
19994
200134
200260
200361
200462
200554
200661
201049
201181
201260
201367
201470
201565
201675
201745
201875
201957
202056
202161
202265
202356
202464
202573
202646

Period of Record Coverage

1997 to 2026
Days with data per year at Sydney Harbour (Wedding Cake W 27 years of record at Sydney Harbour (Wedding Cake W, 1997 to 2026. 8 years have data for under 90 percent of days and are left out of rankings: 1997, 1998, 1999, 2000, 2001, 2006, 2010, 2026. 1997: 102 of 365 days1998: 215 of 365 days1999: 27 of 365 days2000: 1 of 366 days2001: 220 of 365 days2002: 331 of 365 days2003: 341 of 365 days2004: 353 of 366 days2005: 349 of 365 days2006: 325 of 365 days2010: 320 of 365 days2011: 363 of 365 days2012: 364 of 366 days2013: 363 of 365 days2014: 364 of 365 days2015: 362 of 365 days2016: 366 of 366 days2017: 361 of 365 days2018: 363 of 365 days2019: 358 of 365 days2020: 363 of 366 days2021: 364 of 365 days2022: 364 of 365 days2023: 360 of 365 days2024: 364 of 366 days2025: 362 of 365 days2026: 272 of 365 days200020052010201520202025
27 years of record at Sydney Harbour (Wedding Cake W, 1997 to 2026. 8 years have data for under 90 percent of days and are left out of rankings: 1997, 1998, 1999, 2000, 2001, 2006, 2010, 2026.
Days with data per year at Sydney Harbour (Wedding Cake W
YearDays with dataShare of yearComplete
199710228%No
199821559%No
1999277%No
200010%No
200122060%No
200233191%Yes
200334193%Yes
200435396%Yes
200534996%Yes
200632589%No
201032088%No
201136399%Yes
201236499%Yes
201336399%Yes
2014364100%Yes
201536299%Yes
2016366100%Yes
201736199%Yes
201836399%Yes
201935898%Yes
202036399%Yes
2021364100%Yes
2022364100%Yes
202336099%Yes
202436499%Yes
202536299%Yes
202627275%No

Latest Records

0

No records were set at this station in the latest data.

Climate Trend

19 complete years, 2002 to 2025
Annual mean temperature at Sydney Harbour (Wedding Cake W as warming stripes, 2002 to 2025 One stripe for each of 19 complete years at Sydney Harbour (Wedding Cake W, 2002 to 2025. Blue stripes are years cooler than the station's own mean of 18.5 C (65.4 F); red stripes are warmer. The coolest year was 2012, at 17.9 C (64.2 F), and the warmest was 2025, at 19.3 C (66.7 F). The strongest colour marks a difference of 0.8 C (1.4 F). 2002: 18.4 C, -0.2 C from the station mean2003: 18.1 C, -0.4 C from the station mean2004: 18.4 C, -0.2 C from the station mean2005: 18.6 C, +0.1 C from the station mean2011: 18.2 C, -0.4 C from the station mean2012: 17.9 C, -0.7 C from the station mean2013: 18.7 C, +0.2 C from the station mean2014: 18.6 C, 0.0 C from the station mean2015: 18.4 C, -0.2 C from the station mean2016: 19.0 C, +0.5 C from the station mean2017: 18.7 C, +0.2 C from the station mean2018: 18.5 C, 0.0 C from the station mean2019: 18.8 C, +0.3 C from the station mean2020: 18.6 C, +0.1 C from the station mean2021: 18.1 C, -0.4 C from the station mean2022: 18.3 C, -0.3 C from the station mean2023: 18.8 C, +0.3 C from the station mean2024: 19.1 C, +0.5 C from the station mean2025: 19.3 C, +0.7 C from the station mean200220042006200820102012201420162018202020222024
One stripe for each of 19 complete years at Sydney Harbour (Wedding Cake W, 2002 to 2025. Blue stripes are years cooler than the station's own mean of 18.5 C (65.4 F); red stripes are warmer. The coolest year was 2012, at 17.9 C (64.2 F), and the warmest was 2025, at 19.3 C (66.7 F). The strongest colour marks a difference of 0.8 C (1.4 F).
Annual mean temperature at Sydney Harbour (Wedding Cake W as warming stripes, 2002 to 2025
YearAnnual mean temperatureDifference from the station mean
200218.4 C-0.17 C
200318.1 C-0.43 C
200418.4 C-0.16 C
200518.6 C+0.08 C
201118.2 C-0.38 C
201217.9 C-0.67 C
201318.7 C+0.15 C
201418.6 C+0.04 C
201518.4 C-0.17 C
201619.0 C+0.45 C
201718.7 C+0.19 C
201818.5 C-0.05 C
201918.8 C+0.26 C
202018.6 C+0.05 C
202118.1 C-0.41 C
202218.3 C-0.28 C
202318.8 C+0.26 C
202419.1 C+0.54 C
202519.3 C+0.70 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1997 to 2026
Yearly extremes at Sydney Harbour (Wedding Cake W: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)37.5 C (99.5 F)202334.5 C (94.1 F)27
Coldest night (TNn)5.0 C (41.0 F)20107.3 C (45.1 F)27

Hottest day (TXx)

Hottest day (TXx) at Sydney Harbour (Wedding Cake W by year The hottest day of the year at Sydney Harbour (Wedding Cake W, 1997 to 2026. The record is 37.5 C (99.5 F) in 2023, marked on the chart; the median year is 34.5 C (94.1 F). 10203040200020052010201520202025Record: 37.5 C (99.5 F) in 2023
The hottest day of the year at Sydney Harbour (Wedding Cake W, 1997 to 2026. The record is 37.5 C (99.5 F) in 2023, marked on the chart; the median year is 34.5 C (94.1 F).
Hottest day (TXx) at Sydney Harbour (Wedding Cake W by year
YearHottest day (TXx)
199734.0 C (93.2 F)
199836.0 C (96.8 F)
199926.0 C (78.8 F)
200017.0 C (62.6 F)
200134.0 C (93.2 F)
200235.0 C (95.0 F)
200334.1 C (93.4 F)
200437.2 C (99.0 F)
200537.0 C (98.6 F)
200633.4 C (92.1 F)
201032.2 C (90.0 F)
201135.2 C (95.4 F)
201233.3 C (91.9 F)
201335.8 C (96.4 F)
201434.5 C (94.1 F)
201533.9 C (93.0 F)
201635.4 C (95.7 F)
201734.6 C (94.3 F)
201835.6 C (96.1 F)
201936.2 C (97.2 F)
202034.8 C (94.6 F)
202134.4 C (93.9 F)
202233.2 C (91.8 F)
202337.5 C (99.5 F)
202433.2 C (91.8 F)
202534.2 C (93.6 F)
202634.7 C (94.5 F)

Coldest night (TNn)

Coldest night (TNn) at Sydney Harbour (Wedding Cake W by year The coldest night of the year at Sydney Harbour (Wedding Cake W, 1997 to 2026. The record is 5.0 C (41.0 F) in 2010, marked on the chart; the median year is 7.3 C (45.1 F). 4681012200020052010201520202025Record: 5.0 C (41.0 F) in 2010
The coldest night of the year at Sydney Harbour (Wedding Cake W, 1997 to 2026. The record is 5.0 C (41.0 F) in 2010, marked on the chart; the median year is 7.3 C (45.1 F).
Coldest night (TNn) at Sydney Harbour (Wedding Cake W by year
YearColdest night (TNn)
199710.0 C (50.0 F)
19987.0 C (44.6 F)
19998.0 C (46.4 F)
200011.0 C (51.8 F)
20017.0 C (44.6 F)
20027.0 C (44.6 F)
20036.6 C (43.9 F)
20047.3 C (45.1 F)
20056.9 C (44.4 F)
20067.5 C (45.5 F)
20105.0 C (41.0 F)
20117.8 C (46.0 F)
20127.0 C (44.6 F)
20138.4 C (47.1 F)
20147.4 C (45.3 F)
20156.2 C (43.2 F)
20167.3 C (45.1 F)
20177.2 C (45.0 F)
20186.1 C (43.0 F)
20197.7 C (45.9 F)
20207.6 C (45.7 F)
20217.2 C (45.0 F)
20227.4 C (45.3 F)
20236.9 C (44.4 F)
20247.8 C (46.0 F)
20257.8 C (46.0 F)
20268.8 C (47.8 F)

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Download the Data

  • Data for Sydney Harbour (Wedding Cake W standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Sydney Harbour (Wedding Cake W 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-13).