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Tuggeranong (Isabella Plains) Weather Records (ASN00070339)

Record envelope, standing records and threshold days for Tuggeranong (Isabella Plains) (ASN00070339), Australia, with 31 years of record.

Key Facts for Tuggeranong (Isabella Plains)

  • Tuggeranong (Isabella Plains) (ASN00070339) is a weather station in Australia at -35.42 latitude and 149.09 longitude, 587 m (1,925 ft) above sea level.
  • The station reports from 1996 to 2026, 31 years of record.
  • 1,464 records set at Tuggeranong (Isabella Plains) still stand.
  • Records are tracked for tmax, tmin: an element needs 30 years of data to be eligible.
  • Tuggeranong (Isabella Plains) set a daily record high maximum temperature of 27.6 C (81.7 F) on 26 September 2026 (provisional).

Provisional Records

Records set in the last 60 days are provisional until they clear the revision window.

About the Station

  • Location: Australia, -35.42 latitude, 149.09 longitude.
  • Elevation: 587 m (1,925 ft).
  • Period of record: 1996 to 2026, 31 years.
  • Eligible elements: tmax, tmin.

Daily Record Envelope and 2026

28 days at or beyond a record
Daily record high and record low at Tuggeranong (Isabella Plains), with 2026 drawn through them The band shows the record high and record low for each calendar day at Tuggeranong (Isabella Plains). The lines show the 2026 daily maximum and minimum. 28 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -200204060 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Tuggeranong (Isabella Plains). The lines show the 2026 daily maximum and minimum. 28 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Tuggeranong (Isabella Plains), with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan43.5 C (110.3 F)3.8 C (38.8 F)43.5 C (110.3 F)7.9 C (46.2 F)
Feb41.5 C (106.7 F)3.4 C (38.1 F)36.5 C (97.7 F)5.7 C (42.3 F)
Mar37.0 C (98.6 F)0.5 C (32.9 F)30.8 C (87.4 F)4.1 C (39.4 F)
Apr31.6 C (88.9 F)-4.1 C (24.6 F)27.7 C (81.9 F)-1.4 C (29.5 F)
May24.5 C (76.1 F)-6.1 C (21.0 F)23.3 C (73.9 F)-1.4 C (29.5 F)
Jun20.1 C (68.2 F)-8.1 C (17.4 F)18.5 C (65.3 F)-3.0 C (26.6 F)
Jul18.7 C (65.7 F)-8.2 C (17.2 F)18.7 C (65.7 F)-6.2 C (20.8 F)
Aug22.5 C (72.5 F)-8.4 C (16.9 F)22.1 C (71.8 F)-5.3 C (22.5 F)
Sep29.4 C (84.9 F)-5.5 C (22.1 F)27.6 C (81.7 F)-1.8 C (28.8 F)
Oct32.7 C (90.9 F)-2.3 C (27.9 F)25.4 C (77.7 F)5.1 C (41.2 F)
Nov38.7 C (101.7 F)-2.4 C (27.7 F)n/an/a
Dec39.8 C (103.6 F)1.2 C (34.2 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Tuggeranong (Isabella Plains) by the year they were set 1,464 records at Tuggeranong (Isabella Plains) still stand. 1998 holds the most, with 68. 0204060801996: 291997: 461998: 681999: 452000: 542001: 462002: 562003: 302004: 542005: 472006: 472007: 452008: 462009: 552010: 352011: 472012: 452013: 562014: 502015: 382016: 602017: 432018: 532019: 652020: 482021: 472022: 452023: 502024: 422025: 382026: 3419962000200420082012201620202024
1,464 records at Tuggeranong (Isabella Plains) still stand. 1998 holds the most, with 68.
Standing records at Tuggeranong (Isabella Plains) by the year they were set
Year setStanding records
199629
199746
199868
199945
200054
200146
200256
200330
200454
200547
200647
200745
200846
200955
201035
201147
201245
201356
201450
201538
201660
201743
201853
201965
202048
202147
202245
202350
202442
202538
202634

All-Time Record Progression

1 new records
When Tuggeranong (Isabella Plains) set new all-time records 1 all-time records were set at Tuggeranong (Isabella Plains) between 28 January 2026 and 28 January 2026. Each dot is a new record. Record high maximum temperature28 January 2026: Record high maximum temperature 43.5 C (110.3 F)
1 all-time records were set at Tuggeranong (Isabella Plains) between 28 January 2026 and 28 January 2026. Each dot is a new record.
When Tuggeranong (Isabella Plains) set new all-time records
DateKindDetail
2026-01-28Record high maximum temperatureRecord high maximum temperature 43.5 C (110.3 F)

Wettest Day of Each Month

Dec: 93.0 mm (3.7 in)
Record daily precipitation for each month at Tuggeranong (Isabella Plains) The wettest day on record for each calendar month at Tuggeranong (Isabella Plains). The most was 93.0 mm (3.7 in) on 9 December 2010. 0255075100 Jan: 65.2 mm (2.6 in), 27 January 2013 Jan Feb: 83.6 mm (3.3 in), 3 February 2011 Feb Mar: 87.6 mm (3.4 in), 4 March 2012 Mar Apr: 65.0 mm (2.6 in), 8 April 2015 Apr May: 52.2 mm (2.1 in), 20 May 2017 May Jun: 81.8 mm (3.2 in), 6 June 2016 Jun Jul: 51.0 mm (2.0 in), 9 July 2005 Jul Aug: 57.2 mm (2.3 in), 5 August 2022 Aug Sep: 76.2 mm (3.0 in), 17 September 2013 Sep Oct: 70.0 mm (2.8 in), 22 October 2022 Oct Nov: 91.6 mm (3.6 in), 26 November 2011 Nov Dec: 93.0 mm (3.7 in), 9 December 2010 Dec
The wettest day on record for each calendar month at Tuggeranong (Isabella Plains). The most was 93.0 mm (3.7 in) on 9 December 2010.
Record daily precipitation for each month at Tuggeranong (Isabella Plains)
MonthRecord daily precipitation (mm)Date
Jan65.2 mm (2.6 in)27 January 2013
Feb83.6 mm (3.3 in)3 February 2011
Mar87.6 mm (3.4 in)4 March 2012
Apr65.0 mm (2.6 in)8 April 2015
May52.2 mm (2.1 in)20 May 2017
Jun81.8 mm (3.2 in)6 June 2016
Jul51.0 mm (2.0 in)9 July 2005
Aug57.2 mm (2.3 in)5 August 2022
Sep76.2 mm (3.0 in)17 September 2013
Oct70.0 mm (2.8 in)22 October 2022
Nov91.6 mm (3.6 in)26 November 2011
Dec93.0 mm (3.7 in)9 December 2010

Period of Record Coverage

1996 to 2026
Days with data per year at Tuggeranong (Isabella Plains) 31 years of record at Tuggeranong (Isabella Plains), 1996 to 2026. 2 years have data for under 90 percent of days and are left out of rankings: 1996, 2026. 1996: 208 of 366 days1997: 358 of 365 days1998: 355 of 365 days1999: 358 of 365 days2000: 358 of 366 days2001: 355 of 365 days2002: 359 of 365 days2003: 365 of 365 days2004: 366 of 366 days2005: 365 of 365 days2006: 365 of 365 days2007: 365 of 365 days2008: 362 of 366 days2009: 365 of 365 days2010: 363 of 365 days2011: 365 of 365 days2012: 364 of 366 days2013: 365 of 365 days2014: 365 of 365 days2015: 365 of 365 days2016: 366 of 366 days2017: 365 of 365 days2018: 363 of 365 days2019: 365 of 365 days2020: 366 of 366 days2021: 364 of 365 days2022: 365 of 365 days2023: 364 of 365 days2024: 366 of 366 days2025: 365 of 365 days2026: 274 of 365 days200020052010201520202025
31 years of record at Tuggeranong (Isabella Plains), 1996 to 2026. 2 years have data for under 90 percent of days and are left out of rankings: 1996, 2026.
Days with data per year at Tuggeranong (Isabella Plains)
YearDays with dataShare of yearComplete
199620857%No
199735898%Yes
199835597%Yes
199935898%Yes
200035898%Yes
200135597%Yes
200235998%Yes
2003365100%Yes
2004366100%Yes
2005365100%Yes
2006365100%Yes
2007365100%Yes
200836299%Yes
2009365100%Yes
201036399%Yes
2011365100%Yes
201236499%Yes
2013365100%Yes
2014365100%Yes
2015365100%Yes
2016366100%Yes
2017365100%Yes
201836399%Yes
2019365100%Yes
2020366100%Yes
2021364100%Yes
2022365100%Yes
2023364100%Yes
2024366100%Yes
2025365100%Yes
202627475%No

Latest Records

20
Latest records at Tuggeranong (Isabella Plains)
DateStationRecordValueBeat old record byOld record stoodSignificance
26 September 2026Tuggeranong (Isabella Plains), AUdaily high max (Provisional)27.6 C (81.7 F)3.9 C (7.0 F)3 years14 of 100 (Routine)
25 September 2026Tuggeranong (Isabella Plains), AUdaily high max (Provisional)25.9 C (78.6 F)1.1 C (2.0 F)12 years9 of 100 (Routine)
20 September 2026Tuggeranong (Isabella Plains), AUdaily high max (Provisional)25.0 C (77.0 F)2.1 C (3.8 F)3 years9 of 100 (Routine)
3 September 2026Tuggeranong (Isabella Plains), AUdaily high min (Provisional)11.9 C (53.4 F)2.3 C (4.1 F)20 years14 of 100 (Routine)
31 August 2026Tuggeranong (Isabella Plains), AUdaily high max (Provisional)22.1 C (71.8 F)1.2 C (2.2 F)27 years15 of 100 (Routine)
26 August 2026Tuggeranong (Isabella Plains), AUdaily high min (Provisional)9.4 C (48.9 F)0.6 C (1.1 F)1 year4 of 100 (Routine)
21 August 2026Tuggeranong (Isabella Plains), AUdaily high min (Provisional)9.8 C (49.6 F)0.5 C (0.9 F)28 years12 of 100 (Routine)
19 August 2026Tuggeranong (Isabella Plains), AUdaily high max (Tie, Provisional)18.3 C (64.9 F)tie9 years1 of 100 (Routine)
17 August 2026Tuggeranong (Isabella Plains), AUdaily high min (Provisional)6.8 C (44.2 F)0.3 C (0.5 F)16 years8 of 100 (Routine)
25 July 2026Tuggeranong (Isabella Plains), AUdaily high max17.6 C (63.7 F)0.7 C (1.3 F)3 years6 of 100 (Routine)
20 July 2026Tuggeranong (Isabella Plains), AUdaily high max18.1 C (64.6 F)2.8 C (5.0 F)24 years23 of 100 (Routine)
19 July 2026Tuggeranong (Isabella Plains), AUmonthly high max (Tie)18.7 C (65.7 F)tie9 years3 of 100 (Routine)
18 July 2026Tuggeranong (Isabella Plains), AUdaily high max18.1 C (64.6 F)0.9 C (1.6 F)9 years9 of 100 (Routine)
7 July 2026Tuggeranong (Isabella Plains), AUdaily high max15.6 C (60.1 F)0.2 C (0.4 F)7 years5 of 100 (Routine)
2 July 2026Tuggeranong (Isabella Plains), AUdaily high min8.4 C (47.1 F)0.9 C (1.6 F)20 years11 of 100 (Routine)
1 July 2026Tuggeranong (Isabella Plains), AUdaily high min8.3 C (46.9 F)0.8 C (1.4 F)16 years9 of 100 (Routine)
24 June 2026Tuggeranong (Isabella Plains), AUdaily high max16.2 C (61.2 F)0.4 C (0.7 F)29 years12 of 100 (Routine)
20 June 2026Tuggeranong (Isabella Plains), AUdaily high min8.4 C (47.1 F)0.6 C (1.1 F)9 years6 of 100 (Routine)
19 June 2026Tuggeranong (Isabella Plains), AUdaily high min10.8 C (51.4 F)1.3 C (2.3 F)9 years8 of 100 (Routine)
18 June 2026Tuggeranong (Isabella Plains), AUdaily high max17.0 C (62.6 F)1.8 C (3.2 F)25 years18 of 100 (Routine)

Climate Trend

29 complete years, 1997 to 2025
Annual mean temperature at Tuggeranong (Isabella Plains) as warming stripes, 1997 to 2025 One stripe for each of 29 complete years at Tuggeranong (Isabella Plains), 1997 to 2025. Blue stripes are years cooler than the station's own mean of 14.0 C (57.1 F); red stripes are warmer. The coolest year was 2012, at 13.0 C (55.4 F), and the warmest was 2019, at 14.8 C (58.6 F). The strongest colour marks a difference of 1.0 C (1.8 F). 1997: 13.9 C, 0.0 C from the station mean1998: 14.0 C, +0.1 C from the station mean1999: 13.4 C, -0.6 C from the station mean2000: 13.4 C, -0.6 C from the station mean2001: 13.6 C, -0.4 C from the station mean2002: 13.8 C, -0.1 C from the station mean2003: 13.9 C, -0.1 C from the station mean2004: 13.9 C, 0.0 C from the station mean2005: 14.0 C, 0.0 C from the station mean2006: 14.3 C, +0.4 C from the station mean2007: 14.5 C, +0.5 C from the station mean2008: 13.4 C, -0.5 C from the station mean2009: 14.7 C, +0.7 C from the station mean2010: 13.9 C, 0.0 C from the station mean2011: 13.6 C, -0.3 C from the station mean2012: 13.0 C, -1.0 C from the station mean2013: 14.1 C, +0.2 C from the station mean2014: 14.4 C, +0.4 C from the station mean2015: 13.8 C, -0.1 C from the station mean2016: 14.4 C, +0.5 C from the station mean2017: 14.1 C, +0.1 C from the station mean2018: 14.4 C, +0.5 C from the station mean2019: 14.8 C, +0.8 C from the station mean2020: 14.0 C, +0.1 C from the station mean2021: 13.1 C, -0.8 C from the station mean2022: 13.3 C, -0.6 C from the station mean2023: 14.0 C, +0.1 C from the station mean2024: 14.7 C, +0.7 C from the station mean2025: 14.4 C, +0.4 C from the station mean1997200020052010201520202025
One stripe for each of 29 complete years at Tuggeranong (Isabella Plains), 1997 to 2025. Blue stripes are years cooler than the station's own mean of 14.0 C (57.1 F); red stripes are warmer. The coolest year was 2012, at 13.0 C (55.4 F), and the warmest was 2019, at 14.8 C (58.6 F). The strongest colour marks a difference of 1.0 C (1.8 F).
Annual mean temperature at Tuggeranong (Isabella Plains) as warming stripes, 1997 to 2025
YearAnnual mean temperatureDifference from the station mean
199713.9 C-0.02 C
199814.0 C+0.07 C
199913.4 C-0.56 C
200013.4 C-0.57 C
200113.6 C-0.41 C
200213.8 C-0.14 C
200313.9 C-0.08 C
200413.9 C-0.04 C
200514.0 C+0.03 C
200614.3 C+0.36 C
200714.5 C+0.49 C
200813.4 C-0.53 C
200914.7 C+0.70 C
201013.9 C-0.04 C
201113.6 C-0.33 C
201213.0 C-0.97 C
201314.1 C+0.17 C
201414.4 C+0.43 C
201513.8 C-0.12 C
201614.4 C+0.47 C
201714.1 C+0.14 C
201814.4 C+0.45 C
201914.8 C+0.79 C
202014.0 C+0.06 C
202113.1 C-0.85 C
202213.3 C-0.65 C
202314.0 C+0.06 C
202414.7 C+0.69 C
202514.4 C+0.40 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

1996 to 2026
Yearly extremes at Tuggeranong (Isabella Plains): the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)43.5 C (110.3 F)202638.7 C (101.7 F)31
Coldest night (TNn)-8.4 C (16.9 F)1997-6.5 C (20.3 F)31
Wettest day (Rx1day)93.0 mm (3.7 in)201058.0 mm (2.3 in)31
Wettest five days (Rx5day)255.6 mm (10.1 in)201283.4 mm (3.3 in)31
Longest dry spell (CDD)57 days200525 days31

Hottest day (TXx)

Hottest day (TXx) at Tuggeranong (Isabella Plains) by year The hottest day of the year at Tuggeranong (Isabella Plains), 1996 to 2026. The record is 43.5 C (110.3 F) in 2026, marked on the chart; the median year is 38.7 C (101.7 F). 32.53537.54042.545200020052010201520202025Record: 43.5 C (110.3 F) in 2026
The hottest day of the year at Tuggeranong (Isabella Plains), 1996 to 2026. The record is 43.5 C (110.3 F) in 2026, marked on the chart; the median year is 38.7 C (101.7 F).
Hottest day (TXx) at Tuggeranong (Isabella Plains) by year
YearHottest day (TXx)
199634.3 C (93.7 F)
199738.7 C (101.7 F)
199840.2 C (104.4 F)
199938.1 C (100.6 F)
200035.4 C (95.7 F)
200139.6 C (103.3 F)
200237.1 C (98.8 F)
200339.7 C (103.5 F)
200439.8 C (103.6 F)
200538.8 C (101.8 F)
200639.2 C (102.6 F)
200739.3 C (102.7 F)
200835.8 C (96.4 F)
200939.9 C (103.8 F)
201038.6 C (101.5 F)
201137.6 C (99.7 F)
201234.5 C (94.1 F)
201340.1 C (104.2 F)
201440.0 C (104.0 F)
201536.6 C (97.9 F)
201638.7 C (101.7 F)
201741.1 C (106.0 F)
201839.4 C (102.9 F)
201940.8 C (105.4 F)
202043.3 C (109.9 F)
202137.0 C (98.6 F)
202233.5 C (92.3 F)
202336.9 C (98.4 F)
202434.2 C (93.6 F)
202538.3 C (100.9 F)
202643.5 C (110.3 F)

Coldest night (TNn)

Coldest night (TNn) at Tuggeranong (Isabella Plains) by year The coldest night of the year at Tuggeranong (Isabella Plains), 1996 to 2026. The record is -8.4 C (16.9 F) in 1997, marked on the chart; the median year is -6.5 C (20.3 F). -9-8-7-6-5-4200020052010201520202025Record: -8.4 C (16.9 F) in 1997
The coldest night of the year at Tuggeranong (Isabella Plains), 1996 to 2026. The record is -8.4 C (16.9 F) in 1997, marked on the chart; the median year is -6.5 C (20.3 F).
Coldest night (TNn) at Tuggeranong (Isabella Plains) by year
YearColdest night (TNn)
1996-6.2 C (20.8 F)
1997-8.4 C (16.9 F)
1998-6.9 C (19.6 F)
1999-6.7 C (19.9 F)
2000-8.1 C (17.4 F)
2001-7.5 C (18.5 F)
2002-7.5 C (18.5 F)
2003-6.8 C (19.8 F)
2004-6.5 C (20.3 F)
2005-6.0 C (21.2 F)
2006-7.1 C (19.2 F)
2007-6.8 C (19.8 F)
2008-5.3 C (22.5 F)
2009-6.0 C (21.2 F)
2010-6.7 C (19.9 F)
2011-8.2 C (17.2 F)
2012-6.2 C (20.8 F)
2013-5.5 C (22.1 F)
2014-6.1 C (21.0 F)
2015-6.5 C (20.3 F)
2016-5.1 C (22.8 F)
2017-7.0 C (19.4 F)
2018-7.9 C (17.8 F)
2019-5.9 C (21.4 F)
2020-4.7 C (23.5 F)
2021-5.6 C (21.9 F)
2022-6.6 C (20.1 F)
2023-6.2 C (20.8 F)
2024-6.3 C (20.7 F)
2025-7.8 C (18.0 F)
2026-6.2 C (20.8 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Tuggeranong (Isabella Plains) by year The wettest day of the year at Tuggeranong (Isabella Plains), 1996 to 2026. The record is 93.0 mm (3.7 in) in 2010, marked on the chart; the median year is 58.0 mm (2.3 in). 20406080100200020052010201520202025Record: 93.0 mm (3.7 in) in 2010
The wettest day of the year at Tuggeranong (Isabella Plains), 1996 to 2026. The record is 93.0 mm (3.7 in) in 2010, marked on the chart; the median year is 58.0 mm (2.3 in).
Wettest day (Rx1day) at Tuggeranong (Isabella Plains) by year
YearWettest day (Rx1day)
199635.0 mm (1.4 in)
199751.0 mm (2.0 in)
199836.0 mm (1.4 in)
199956.0 mm (2.2 in)
200060.0 mm (2.4 in)
200180.0 mm (3.1 in)
200236.0 mm (1.4 in)
200366.0 mm (2.6 in)
200435.0 mm (1.4 in)
200551.0 mm (2.0 in)
200649.2 mm (1.9 in)
200738.2 mm (1.5 in)
200855.6 mm (2.2 in)
200935.6 mm (1.4 in)
201093.0 mm (3.7 in)
201191.6 mm (3.6 in)
201287.6 mm (3.4 in)
201376.2 mm (3.0 in)
201481.8 mm (3.2 in)
201565.0 mm (2.6 in)
201681.8 mm (3.2 in)
201762.6 mm (2.5 in)
201862.0 mm (2.4 in)
201943.6 mm (1.7 in)
202056.4 mm (2.2 in)
202158.4 mm (2.3 in)
202281.6 mm (3.2 in)
202358.0 mm (2.3 in)
202460.4 mm (2.4 in)
202526.2 mm (1.0 in)
202645.4 mm (1.8 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Tuggeranong (Isabella Plains) by year The wettest five days of the year at Tuggeranong (Isabella Plains), 1996 to 2026. The record is 255.6 mm (10.1 in) in 2012, marked on the chart; the median year is 83.4 mm (3.3 in). 0100200300200020052010201520202025Record: 255.6 mm (10.1 in) in 2012
The wettest five days of the year at Tuggeranong (Isabella Plains), 1996 to 2026. The record is 255.6 mm (10.1 in) in 2012, marked on the chart; the median year is 83.4 mm (3.3 in).
Wettest five days (Rx5day) at Tuggeranong (Isabella Plains) by year
YearWettest five days (Rx5day)
199649.0 mm (1.9 in)
199777.4 mm (3.0 in)
199867.2 mm (2.6 in)
199985.0 mm (3.3 in)
200062.8 mm (2.5 in)
200185.0 mm (3.3 in)
200242.0 mm (1.7 in)
200376.0 mm (3.0 in)
200473.2 mm (2.9 in)
200557.0 mm (2.2 in)
200665.0 mm (2.6 in)
200747.8 mm (1.9 in)
200860.8 mm (2.4 in)
200983.4 mm (3.3 in)
2010169.6 mm (6.7 in)
2011139.8 mm (5.5 in)
2012255.6 mm (10.1 in)
2013105.4 mm (4.1 in)
2014134.0 mm (5.3 in)
201589.8 mm (3.5 in)
2016128.8 mm (5.1 in)
2017106.0 mm (4.2 in)
201891.2 mm (3.6 in)
201944.4 mm (1.7 in)
202083.0 mm (3.3 in)
2021121.6 mm (4.8 in)
2022106.8 mm (4.2 in)
202398.6 mm (3.9 in)
202496.8 mm (3.8 in)
202544.8 mm (1.8 in)
202658.2 mm (2.3 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Tuggeranong (Isabella Plains) by year The longest dry spell of the year at Tuggeranong (Isabella Plains), 1996 to 2026. The record is 57 days in 2005, marked on the chart; the median year is 25 days. 0204060200020052010201520202025Record: 57 days in 2005
The longest dry spell of the year at Tuggeranong (Isabella Plains), 1996 to 2026. The record is 57 days in 2005, marked on the chart; the median year is 25 days.
Longest dry spell (CDD) at Tuggeranong (Isabella Plains) by year
YearLongest dry spell (CDD)
19968 days
199727 days
199824 days
199916 days
200026 days
200121 days
200233 days
200336 days
200436 days
200557 days
200647 days
200725 days
200824 days
200921 days
201017 days
201131 days
201223 days
201319 days
201423 days
201535 days
201622 days
201738 days
201846 days
201957 days
202021 days
202123 days
202215 days
202326 days
202430 days
202523 days
202628 days

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.

Frost Dates and Growing Season

29 years with a frost

Across 29 years with a frost, the median last spring frost at Tuggeranong (Isabella Plains) falls on 10 October and the median first autumn frost on 28 April, which leaves a median of 197 days between them.

Fitted over all years, the growing season changes by +4.6 days per decade at this station.

Frost dates and growing season at Tuggeranong (Isabella Plains)
MeasureMedian, all yearsEarliest periodRecent period (1997 to 2025)Recent against earliestFitted trend
Last spring frost10 Octobern/a10 Octobern/a-2.4 days per decade
First autumn frost28 Apriln/a28 Apriln/a+2.2 days per decade
Growing days197 daysn/a197 daysn/a+4.6 days per decade

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Download the Data

  • Data for Tuggeranong (Isabella Plains) standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Tuggeranong (Isabella Plains) 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).