Napa Valley Vintages

1943 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 temperature64.3°F
Estimated growing degree days3060
Frost days, Mar to Apr0
Days 90°F and up, Aug to Oct18
Winter rain19 in
Spring rain5.1 in
Harvest rain0.7 in

Station: south valley. Growing degree days are estimated from monthly means.

Explore 1943 on the interactive timeline