Climate by region
Sauvignon Blanc
Sauvignon Blanc grows in Atlantic, continental, and dry coastal climates. Spring warmth and rain near harvest help distinguish one region from another.
Regional figures use 1991–2020 from the combined regional record · updated through Sep 13, 2026.
Climate by region
1991–2020 averages calculated from complete combined regional records.
Scroll horizontally to view all columns.
| Region | Growing season | Mean temperature | GDD | Rain | Hot days | Harvest rain | Last updated |
|---|---|---|---|---|---|---|---|
| Adelaide HillsAustralia | Sep 1–Apr 30 | 18.1°C | 1973 GDD | 282.9 mm | 16.5 | 85.8 mm | Aug 20, 2026 |
| Margaret River & Great SouthernAustralia | Sep 1–Apr 30 | 17.4°C | 1801 GDD | 285.8 mm | 3.1 | 93.8 mm | Sep 13, 2026 |
| BordeauxFrance | Apr 1–Oct 31 | 18.0°C | 1718 GDD | 455.4 mm | 2.5 | 189.6 mm | Jul 15, 2026 |
| Loire ValleyFrance | Apr 1–Oct 31 | 16.3°C | 1379 GDD | 410.2 mm | 5.3 | 131.0 mm | Aug 20, 2026 |
| Po Valley & Northeast ItalyItaly | Mar 15–Oct 31 | 18.9°C | 2071 GDD | 697.7 mm | 1.9 | 269.6 mm | Aug 20, 2026 |
| MarlboroughNew Zealand | Sep 1–Apr 30 | 13.5°C | 899 GDD | 621.1 mm | 0.0 | 174.0 mm | Sep 12, 2026 |
| StellenboschSouth Africa | Sep 1–Apr 30 | 18.4°C | 2023 GDD | 329.4 mm | 0.2 | 98.1 mm | Sep 13, 2026 |
| Castilla y LeónSpain | Apr 1–Oct 31 | 17.5°C | 1639 GDD | 255.6 mm | 26.4 | 88.5 mm | Aug 20, 2026 |
| Napa ValleyUnited States | Mar 15–Nov 15 | 18.4°C | 2086 GDD | 208.8 mm | 13.2 | 71.4 mm | Sep 13, 2026 |
References and alternate names
- Washington State University Viticulture & Enology: growing degree days, base temperature, and season heat accumulation reviewed 2026-08-14
- UC IPM: Botrytis bunch rot, late-season moisture and rot risk reviewed 2026-08-14
- VIVC cultivar passport: Sauvignon Blanc reviewed 2026-08-11
Search recognizes the alternate names listed above.