Wine regions

41 regions on five continents, from the coolest (Central Otago) to the hottest (Jerez) by growing-season heat.

Europe, enlarged

Normals are 1991–2020 averages. Last 10 = average of the last ten vintages against that normal.
Region	Country	Season	GDD normal	Winkler	Season rain	Harvest rain	Last 10
Central Otago	New Zealand	Oct–Apr	880	I	351 mm	91 mm	+25%
Wachau	Austria	Apr–Oct	970	I	518 mm	119 mm	+16%
Mosel	Germany	Apr–Oct	1,060	I	437 mm	71 mm	+14%
Rheingau	Germany	Apr–Oct	1,140	I	362 mm	103 mm	+13%
Champagne	France	Apr–Oct	1,180	I	366 mm	49 mm	+15%
Willamette Valley	United States	Apr–Oct	1,230	I	302 mm	119 mm	+13%
Marlborough	New Zealand	Oct–Apr	1,240	I	420 mm	119 mm	+9%
Finger Lakes	United States	Apr–Oct	1,350	I	569 mm	157 mm	+9%
Alsace	France	Apr–Oct	1,360	I	369 mm	100 mm	+13%
Loire Valley (Touraine)	France	Apr–Oct	1,380	I	357 mm	120 mm	+13%
Burgundy (Côte d'Or)	France	Apr–Oct	1,410	II	455 mm	65 mm	+9%
Niagara Peninsula	Canada	Apr–Oct	1,410	II	555 mm	151 mm	+3%
Hawke's Bay	New Zealand	Oct–Apr	1,440	II	463 mm	156 mm	+8%
Tokaj	Hungary	Apr–Oct	1,450	II	407 mm	97 mm	+7%
Coonawarra	Australia	Oct–Apr	1,480	II	228 mm	62 mm	+7%
Bordeaux	France	Apr–Oct	1,560	II	460 mm	168 mm	+8%
Yarra Valley	Australia	Oct–Apr	1,560	II	484 mm	127 mm	+8%
Columbia Valley	United States	Apr–Oct	1,590	II	68 mm	25 mm	+11%
Ribera del Duero	Spain	Apr–Oct	1,610	II	193 mm	70 mm	+10%
Douro Valley	Portugal	Apr–Oct	1,650	II	482 mm	227 mm	+10%
Rioja	Spain	Apr–Oct	1,700	III	247 mm	72 mm	+13%
Chianti Classico	Italy	Apr–Oct	1,730	III	485 mm	204 mm	+10%
Colchagua Valley	Chile	Oct–Apr	1,730	III	113 mm	40 mm	+3%
Northern Rhône	France	Apr–Oct	1,790	III	517 mm	97 mm	+10%
Sonoma County	United States	Apr–Oct	1,800	III	149 mm	51 mm	+8%
Maipo Valley	Chile	Oct–Apr	1,850	III	88 mm	36 mm	+4%
Barossa Valley	Australia	Oct–Apr	1,870	III	199 mm	56 mm	+4%
McLaren Vale	Australia	Oct–Apr	1,900	III	183 mm	60 mm	+3%
Paso Robles	United States	Apr–Oct	1,900	III	51 mm	20 mm	+2%
Margaret River	Australia	Oct–Apr	1,920	III	243 mm	51 mm	+1%
Napa Valley	United States	Apr–Oct	1,930	III	107 mm	37 mm	+8%
Piedmont (Langhe)	Italy	Apr–Oct	1,950	IV	379 mm	134 mm	+10%
Valpolicella	Italy	Apr–Oct	2,030	IV	563 mm	183 mm	+7%
Languedoc	France	Apr–Oct	2,050	IV	311 mm	58 mm	+9%
Mendoza (Luján de Cuyo)	Argentina	Oct–Apr	2,090	IV	162 mm	43 mm	+6%
Kakheti	Georgia	Apr–Oct	2,090	IV	476 mm	113 mm	+6%
Stellenbosch	South Africa	Oct–Apr	2,160	IV	218 mm	42 mm	+2%
Southern Rhône	France	Apr–Oct	2,180	IV	441 mm	91 mm	+8%
Priorat	Spain	Apr–Oct	2,210	IV	276 mm	116 mm	+10%
Hunter Valley	Australia	Oct–Apr	2,380	V	543 mm	172 mm	+4%
Jerez	Spain	Apr–Oct	2,610	V	203 mm	26 mm	+4%