1963 Napa Valley Vintage
Cool and normal season, compared with 1991 to 2020. Rebuilding after Repeal. A small group of estates led the recovery. Nearest notable vintage: 1966.
Weather and season
| Apr to Oct average temperature | 63.1°F |
|---|---|
| Estimated growing degree days | 2810 |
| Frost days, Mar to Apr | 9 |
| Days 90°F and up, Aug to Oct | 16 |
| Winter rain | 13.4 in |
| Spring rain | 11 in |
| Harvest rain | 3.1 in |
Station: south valley. Growing degree days are estimated from monthly means.
Explore 1963 on the interactive timeline