1940 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: 1941.
Weather and season
| Apr to Oct average temperature | 64.1°F |
|---|---|
| Estimated growing degree days | 3020 |
| Frost days, Mar to Apr | 0 |
| Days 90°F and up, Aug to Oct | 5 |
| Winter rain | 21 in |
| Spring rain | 8.4 in |
| Harvest rain | 1.5 in |
Station: south valley. Growing degree days are estimated from monthly means.
Explore 1940 on the interactive timeline