Napa Valley Vintages

1970 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: 1973.

Weather and season

Apr to Oct average temperature63.8°F
Estimated growing degree days2960
Frost days, Mar to Apr2
Days 90°F and up, Aug to Oct23
Winter rain24.2 in
Spring rain2.1 in
Harvest rain1.5 in

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

Notable wines

Explore 1970 on the interactive timeline