Climate by region
Nebbiolo
Nebbiolo ripens late in Piedmont, so growers watch whether warmth lasts into autumn and whether rain arrives before harvest.
Regional figures use 1991–2020 from the combined regional record · updated through Aug 20, 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 |
|---|---|---|---|---|---|---|---|
| PiedmontItaly | Apr 1–Oct 31 | 18.7°C | 1881 GDD | 737.6 mm | 1.8 | 241.1 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 |
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
- Penn State Extension: spring frost and freeze damage to grapes reviewed 2026-08-14
- VIVC cultivar passport: Nebbiolo reviewed 2026-08-11
Search recognizes the alternate names listed above.