1975 Napa Valley Vintage

Cool and normal season, compared with 1991 to 2020. The modern era begins as new wineries open and Cabernet leads. Nearest notable vintage: 1974.

Weather and season

Apr to Oct average temperature	63.1°F
Estimated growing degree days	2810
Frost days, Mar to Apr	0
Days 90°F and up, Aug to Oct	12
Winter rain	13.1 in
Spring rain	8.5 in
Harvest rain	3.6 in

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