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Australia. Growing season October–April, harvest usually March–April. 26 vintages of weather, 2000–2025.
Photo: Alpha, CC BY-SA 2.0, via Wikimedia Commons
Over the 30 growing seasons from 1991 to 2020, Coonawarra's vines saw on average 1,480 growing degree days between October and April. That puts it in Winkler region II, close in heat and rain to Ribera del Duero, Loire Valley (Touraine) and Alsace. In a typical year about 228 mm of rain falls in the growing season, 62 mm of it in March–April.
Since 2000 the warmest season was 2016 (+23% against normal) and the coolest 2002 (-22%). The wettest harvest window was 2010, with 122 mm against a normal 62 mm.
The last 10 vintages (2016–2025) averaged +7% against the 1991–2020 normal, compared with -1% for 2000–2009; 5 of those 10 seasons were warmer than normal by more than 3%.
Growing degree days (base 10°C) for each season. The dashed line is the 1991–2020 normal (1,480 GDD) and the shaded band one standard deviation either side: about two years in three fall inside it.
Full bar: rain over the whole growing season. Dark part: rain in the harvest window (March–April). The line is the normal season total, 228 mm.
Oct 2024–Apr 2025
Much warmer
Hot months: Jan +2.1° Mar +3.2° Apr +2.6°
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 2 of 26 for heat · Winkler III
Oct 2023–Apr 2024
Near normal
Hot months: Mar +2.4°
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 15 of 26 for heat · Winkler II
Oct 2022–Apr 2023
Cooler
No month ran 2°C above its normal high
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 23 of 26 for heat · Winkler II
Oct 2021–Apr 2022
Warmer
Hot months: Jan +2.9°
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 11 of 26 for heat · Winkler II
Oct 2020–Apr 2021
Near normal
Hot months: Nov +3.0°
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 19 of 26 for heat · Winkler II
Oct 2019–Apr 2020
Near normal
Hot months: Dec +3.0°
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 16 of 26 for heat · Winkler II
Oct 2018–Apr 2019
Warmer
Hot months: Dec +2.3° Jan +2.9°
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 9 of 26 for heat · Winkler II
Oct 2017–Apr 2018
Much warmer
Hot months: Nov +3.5° Jan +2.5° Apr +2.8°
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 3 of 26 for heat · Winkler III
Oct 2016–Apr 2017
Near normal
Hot months: Mar +2.9°
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 13 of 26 for heat · Winkler II
Oct 2015–Apr 2016
Much warmer
Hot months: Oct +5.5° Dec +4.8°
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 1 of 26 for heat · Winkler III
Oct 2014–Apr 2015
Near normal
Hot months: Oct +2.8° Nov +2.1°
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 18 of 26 for heat · Winkler II
Oct 2013–Apr 2014
Near normal
No month ran 2°C above its normal high
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 14 of 26 for heat · Winkler II
Oct 2012–Apr 2013
Much warmer
Hot months: Mar +2.3°
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 7 of 26 for heat · Winkler II
Oct 2011–Apr 2012
Much warmer
No month ran 2°C above its normal high
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 8 of 26 for heat · Winkler II
Oct 2010–Apr 2011
Cooler
No month ran 2°C above its normal high
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 24 of 26 for heat · Winkler I
Oct 2009–Apr 2010
Much warmer
Hot months: Nov +5.1°
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 6 of 26 for heat · Winkler II
Oct 2008–Apr 2009
Near normal
No month ran 2°C above its normal high
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 20 of 26 for heat · Winkler II
Oct 2007–Apr 2008
Warmer
Hot months: Mar +3.8°
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 12 of 26 for heat · Winkler II
Oct 2006–Apr 2007
Much warmer
Hot months: Oct +2.1° Feb +2.6° Apr +2.3°
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 4 of 26 for heat · Winkler II
Oct 2005–Apr 2006
Near normal
Hot months: Mar +2.2°
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 17 of 26 for heat · Winkler II
Oct 2004–Apr 2005
Near normal
Hot months: Apr +3.1°
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 21 of 26 for heat · Winkler II
Oct 2003–Apr 2004
Much cooler
No month ran 2°C above its normal high
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 25 of 26 for heat · Winkler I
Oct 2002–Apr 2003
Cooler
No month ran 2°C above its normal high
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 22 of 26 for heat · Winkler II
Oct 2001–Apr 2002
Much cooler
Hot months: Apr +2.4°
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 26 of 26 for heat · Winkler I
Oct 2000–Apr 2001
Much warmer
Hot months: Nov +2.2° Jan +3.5° Feb +2.5°
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 5 of 26 for heat · Winkler II
Oct 1999–Apr 2000
Warmer
Hot months: Feb +3.7°
Bars: mean daily high each month (red = 2°C or more above normal, blue = that much below). Line: the 1991–2020 normal.
Rank 10 of 26 for heat · Winkler II
| Vintage | GDD | vs normal | Season rain | Harvest rain | Hottest month (mean high) |
|---|---|---|---|---|---|
| 2025 | 1,780 | +20% | 149 mm | 30 mm | January 29.7°C |
| 2024 | 1,480 | -0% | 178 mm | 30 mm | February 28.5°C |
| 2023 | 1,390 | -6% | 345 mm | 77 mm | January 28.6°C |
| 2022 | 1,550 | +5% | 184 mm | 49 mm | January 30.5°C |
| 2021 | 1,460 | -2% | 243 mm | 44 mm | January 27.6°C |
| 2020 | 1,470 | -1% | 199 mm | 74 mm | December 28.1°C |
| 2019 | 1,600 | +8% | 178 mm | 32 mm | January 30.5°C |
| 2018 | 1,750 | +18% | 188 mm | 44 mm | January 30.1°C |
| 2017 | 1,500 | +1% | 268 mm | 72 mm | January 28.0°C |
| 2016 | 1,830 | +23% | 144 mm | 60 mm | December 29.9°C |
| 2015 | 1,470 | -1% | 162 mm | 48 mm | February 29.4°C |
| 2014 | 1,490 | +1% | 223 mm | 69 mm | January 29.6°C |
| 2013 | 1,620 | +9% | 155 mm | 42 mm | February 29.3°C |
| 2012 | 1,620 | +9% | 214 mm | 56 mm | January 29.2°C |
| 2011 | 1,360 | -8% | 442 mm | 101 mm | January 26.3°C |
| 2010 | 1,650 | +11% | 267 mm | 122 mm | February 29.1°C |
| 2009 | 1,450 | -2% | 198 mm | 83 mm | January 28.7°C |
| 2008 | 1,540 | +4% | 223 mm | 54 mm | March 28.8°C |
| 2007 | 1,660 | +12% | 181 mm | 74 mm | February 30.1°C |
| 2006 | 1,470 | -1% | 292 mm | 79 mm | January 28.9°C |
| 2005 | 1,440 | -3% | 181 mm | 29 mm | January 27.3°C |
| 2004 | 1,270 | -14% | 223 mm | 55 mm | February 27.4°C |
| 2003 | 1,430 | -4% | 255 mm | 60 mm | January 28.7°C |
| 2002 | 1,160 | -22% | 237 mm | 40 mm | February 25.4°C |
| 2001 | 1,660 | +12% | 227 mm | 86 mm | January 31.1°C |
| 2000 | 1,590 | +7% | 262 mm | 73 mm | February 31.2°C |
| 1991–2020 | 1,480 | ±10% (1 SD) | 228 mm | 62 mm |
The closest matches on this site by normal heat and season rain. Similar weather is one ingredient; soils, slopes and grapes differ.
