Vintages › 2025

The 2025 vintage: weather around the world

In 2025, 32 of 41 regions here had a growing season more than 3% warmer than their 1991–2020 normal; 2 were more than 3% cooler. North of the equator that was 21 of 28 warmer (season April–October 2025); in the south 11 of 13 (October 2024 to April 2025).

Furthest above normalCentral Otago +38%
Furthest belowTokaj -11%
Wettest harvest windowPaso Robles +101%
Driest seasonMaipo Valley -49%

The warmest season since 2000 for Yarra Valley, Barossa Valley, McLaren Vale.

Every region's 2025 season on the heat scale

Growing degree days in 2025, with each region's difference from its own normal in the label. Colour shows how warm the season was for that region.

Warmest to coolest against normal

Much cooler (8%+ fewer GDD)
Cooler
Near normal (±3%)
Warmer
Much warmer (8%+ more)

Central Otago

New Zealand · Oct 2024–Apr 2025

Much warmer

Heat: 1,210 GDD +38%
Season rain: 314 mm -11%
Harvest rain: 85 mm -6%

Hot months: Dec +2.6° Feb +3.4° Mar +2.4° Apr +2.4°

Rank 3 of 26 for heat · Winkler I

Yarra Valley

Australia · Oct 2024–Apr 2025

Much warmer

Heat: 1,910 GDD +22%
Season rain: 364 mm -25%
Harvest rain: 84 mm -34%

Hot months: Nov +2.0° Dec +2.0° Mar +2.9° Apr +2.5°

Rank 1 of 26 for heat · Winkler III

Coonawarra

Australia · Oct 2024–Apr 2025

Much warmer

Heat: 1,780 GDD +20%
Season rain: 149 mm -34%
Harvest rain: 30 mm -52%

Hot months: Jan +2.1° Mar +3.2° Apr +2.6°

Rank 2 of 26 for heat · Winkler III

Rioja

Spain

Much warmer

Heat: 2,030 GDD +19%
Season rain: 211 mm -14%
Harvest rain: 37 mm -48%

Hot months: Apr +2.0° Jun +5.3° Aug +3.7° Oct +2.7°

Rank 3 of 26 for heat · Winkler IV

Columbia Valley

United States

Much warmer

Heat: 1,870 GDD +18%
Season rain: 44 mm -36%
Harvest rain: 20 mm -19%

Hot months: Apr +2.2° Jun +2.8° Sep +3.6°

Rank 3 of 26 for heat · Winkler III

Barossa Valley

Australia · Oct 2024–Apr 2025

Much warmer

Heat: 2,200 GDD +17%
Season rain: 104 mm -48%
Harvest rain: 17 mm -70%

Hot months: Oct +2.1° Dec +2.0° Mar +3.5° Apr +2.2°

Rank 1 of 26 for heat · Winkler IV

Douro Valley

Portugal

Much warmer

Heat: 1,940 GDD +17%
Season rain: 449 mm -7%
Harvest rain: 182 mm -20%

Hot months: Jun +3.3° Jul +2.0° Aug +3.3° Oct +2.6°

Rank 3 of 26 for heat · Winkler III

Priorat

Spain

Much warmer

Heat: 2,560 GDD +16%
Season rain: 213 mm -23%
Harvest rain: 88 mm -24%

Hot months: Jun +4.3° Aug +2.8°

Rank 3 of 26 for heat · Winkler V

Mosel

Germany

Much warmer

Heat: 1,230 GDD +15%
Season rain: 446 mm +2%
Harvest rain: 90 mm +25%

Hot months: Apr +2.3° May +2.1° Jun +4.1° Aug +2.8°

Rank 6 of 26 for heat · Winkler I

Rheingau

Germany

Much warmer

Heat: 1,320 GDD +15%
Season rain: 357 mm -1%
Harvest rain: 164 mm +60%

Hot months: Apr +2.1° May +2.2° Jun +4.1° Aug +2.9°

Rank 6 of 26 for heat · Winkler I

Willamette Valley

United States

Much warmer

Heat: 1,410 GDD +15%
Season rain: 201 mm -33%
Harvest rain: 111 mm -7%

Hot months: Apr +2.4° Jun +2.2°

Rank 7 of 26 for heat · Winkler II

Loire Valley (Touraine)

France

Much warmer

Heat: 1,590 GDD +15%
Season rain: 256 mm -28%
Harvest rain: 111 mm -8%

Hot months: Apr +2.7° Jun +4.8°

Rank 6 of 26 for heat · Winkler II

Ribera del Duero

Spain

Much warmer

Heat: 1,850 GDD +15%
Season rain: 182 mm -5%
Harvest rain: 36 mm -49%

Hot months: Jun +4.3° Aug +3.1° Oct +2.7°

Rank 4 of 26 for heat · Winkler III

Languedoc

France

Much warmer

Heat: 2,350 GDD +14%
Season rain: 189 mm -39%
Harvest rain: 28 mm -51%

Hot months: Jun +4.5° Aug +2.9°

Rank 3 of 26 for heat · Winkler V

McLaren Vale

Australia · Oct 2024–Apr 2025

Much warmer

Heat: 2,170 GDD +14%
Season rain: 105 mm -43%
Harvest rain: 27 mm -55%

Hot months: Mar +2.7°

Rank 1 of 26 for heat · Winkler IV

Mendoza (Luján de Cuyo)

Argentina · Oct 2024–Apr 2025

Much warmer

Heat: 2,350 GDD +13%
Season rain: 124 mm -24%
Harvest rain: 49 mm +15%

Hot months: Oct +2.7° Nov +2.2° Jan +2.5° Feb +4.6°

Rank 3 of 26 for heat · Winkler V

Northern Rhône

France

Much warmer

Heat: 2,020 GDD +13%
Season rain: 527 mm +2%
Harvest rain: 172 mm +78%

Hot months: Jun +4.9° Aug +2.9°

Rank 6 of 26 for heat · Winkler IV

Champagne

France

Much warmer

Heat: 1,320 GDD +12%
Season rain: 390 mm +7%
Harvest rain: 71 mm +43%

Hot months: Apr +3.2° Jun +4.3°

Rank 7 of 26 for heat · Winkler I

Alsace

France

Much warmer

Heat: 1,510 GDD +12%
Season rain: 423 mm +15%
Harvest rain: 144 mm +43%

Hot months: Apr +2.1° Jun +4.1°

Rank 8 of 26 for heat · Winkler II

Jerez

Spain

Much warmer

Heat: 2,880 GDD +10%
Season rain: 159 mm -21%
Harvest rain: 4 mm -86%

Hot months: Jun +3.1° Oct +2.4°

Rank 3 of 26 for heat · Winkler V

Marlborough

New Zealand · Oct 2024–Apr 2025

Much warmer

Heat: 1,360 GDD +10%
Season rain: 470 mm +12%
Harvest rain: 200 mm +68%

Hot months: Dec +2.1°

Rank 5 of 26 for heat · Winkler I

Bordeaux

France

Much warmer

Heat: 1,700 GDD +9%
Season rain: 405 mm -12%
Harvest rain: 193 mm +15%

Hot months: Jun +3.9° Aug +2.4°

Rank 8 of 26 for heat · Winkler III

Chianti Classico

Italy

Much warmer

Heat: 1,880 GDD +9%
Season rain: 494 mm +2%
Harvest rain: 171 mm -16%

Hot months: Jun +4.9°

Rank 7 of 26 for heat · Winkler III

Maipo Valley

Chile · Oct 2024–Apr 2025

Much warmer

Heat: 2,010 GDD +8%
Season rain: 45 mm -49%
Harvest rain: 14 mm -61%

Hot months: Oct +2.6° Feb +2.9°

Rank 3 of 26 for heat · Winkler IV

Hawke's Bay

New Zealand · Oct 2024–Apr 2025

Much warmer

Heat: 1,560 GDD +8%
Season rain: 406 mm -12%
Harvest rain: 136 mm -13%

No month ran 2°C above its normal high

Rank 6 of 26 for heat · Winkler II

Hunter Valley

Australia · Oct 2024–Apr 2025

Warmer

Heat: 2,550 GDD +7%
Season rain: 649 mm +20%
Harvest rain: 180 mm +5%

Hot months: Dec +2.6°

Rank 7 of 26 for heat · Winkler V

Margaret River

Australia · Oct 2024–Apr 2025

Warmer

Heat: 2,040 GDD +7%
Season rain: 236 mm -3%
Harvest rain: 55 mm +7%

No month ran 2°C above its normal high

Rank 5 of 26 for heat · Winkler IV

Finger Lakes

United States

Warmer

Heat: 1,430 GDD +6%
Season rain: 513 mm -10%
Harvest rain: 110 mm -30%

Hot months: Jul +2.1°

Rank 14 of 26 for heat · Winkler II

Piedmont (Langhe)

Italy

Warmer

Heat: 2,070 GDD +6%
Season rain: 357 mm -6%
Harvest rain: 77 mm -43%

Hot months: Jun +3.2°

Rank 10 of 26 for heat · Winkler IV

Southern Rhône

France

Warmer

Heat: 2,300 GDD +5%
Season rain: 477 mm +8%
Harvest rain: 161 mm +78%

Hot months: Jun +4.7° Aug +2.2°

Rank 9 of 26 for heat · Winkler V

Wachau

Austria

Warmer

Heat: 1,020 GDD +5%
Season rain: 412 mm -21%
Harvest rain: 107 mm -10%

Hot months: Jun +3.5°

Rank 13 of 26 for heat · Winkler I

Valpolicella

Italy

Warmer

Heat: 2,130 GDD +5%
Season rain: 665 mm +18%
Harvest rain: 164 mm -10%

Hot months: Jun +3.9°

Rank 12 of 26 for heat · Winkler IV

Sonoma County

United States

Near normal

Heat: 1,850 GDD +3%
Season rain: 101 mm -32%
Harvest rain: 79 mm +55%

Hot months: May +2.3°

Rank 10 of 26 for heat · Winkler III

Stellenbosch

South Africa · Oct 2024–Apr 2025

Near normal

Heat: 2,230 GDD +3%
Season rain: 132 mm -40%
Harvest rain: 19 mm -55%

No month ran 2°C above its normal high

Rank 8 of 26 for heat · Winkler V

Napa Valley

United States

Near normal

Heat: 1,990 GDD +3%
Season rain: 75 mm -29%
Harvest rain: 66 mm +80%

Hot months: May +2.5°

Rank 10 of 26 for heat · Winkler IV

Burgundy (Côte d'Or)

France

Near normal

Heat: 1,450 GDD +3%
Season rain: 477 mm +5%
Harvest rain: 104 mm +61%

Hot months: Jun +3.6°

Rank 13 of 26 for heat · Winkler II

Niagara Peninsula

Canada

Near normal

Heat: 1,430 GDD +1%
Season rain: 434 mm -22%
Harvest rain: 90 mm -40%

No month ran 2°C above its normal high

Rank 11 of 26 for heat · Winkler II

Kakheti

Georgia

Near normal

Heat: 2,110 GDD +1%
Season rain: 590 mm +24%
Harvest rain: 150 mm +33%

No month ran 2°C above its normal high

Rank 18 of 26 for heat · Winkler IV

Colchagua Valley

Chile · Oct 2024–Apr 2025

Near normal

Heat: 1,740 GDD +1%
Season rain: 80 mm -29%
Harvest rain: 52 mm +29%

No month ran 2°C above its normal high

Rank 9 of 26 for heat · Winkler III

Paso Robles

United States

Cooler

Heat: 1,830 GDD -4%
Season rain: 50 mm -3%
Harvest rain: 41 mm +101%

No month ran 2°C above its normal high

Rank 21 of 26 for heat · Winkler III

Tokaj

Hungary

Much cooler

Heat: 1,290 GDD -11%
Season rain: 309 mm -24%
Harvest rain: 104 mm +7%

Hot months: Jun +2.2°

Rank 24 of 26 for heat · Winkler I

The weather of a season, not a verdict on its wines. Growers pick earlier in hot years and fight rot in wet ones; good and poor wines come from both.