Wine Region

Howell Mountain

Official Name: Howell Mountain AVA
Designation: American Viticultural Area

Countries: United States of America
States: California
Counties: Napa

Statistics Updated: July 26, 2020
Statistics for wine regions are calculated roughly every hour.

Grape Production


Vineyards: 16
Total Area: 13,066 acres
Planted Area: 112 acres
Percent Planted: 0.9 %
Most Common Grape Varietal: Cabernet Sauvignon more varietals...
Top Vineyards

Search all Howell Mountain vineyards sorted by rating

  1. Howell at the Moon
  2. O'Shaughnessy Howell Mountain
  3. W.S. Keyes Vineyard
  4. Cimarossa Vineyards
  5. Rancho del Oso Vineyard
  6. Outpost Vineyard
  7. Ladera
  8. Polaris Vineyard
  9. La Jota
  10. Buckeye Vineyard
Learn more about how Everyvine rates vineyards. View all Howell Mountain vineyards

Wine Production


Wineries: 0
Tasting Rooms: 0
Top Wineries

Wineries with the most wines in Howell Mountain on Everyvine.

No Wineries have added wines to Everyvine. +Add your winery
View all Howell Mountain wineries
Top Wines by Region Wineries

Highest scoring wines made in Howell Mountain wineries.

No high scoring wines produced in Howell Mountain have been added to Everyvine.
See all Howell Mountain wines

Climate Profile


Elevation2325.43 ft.1633.87 ft.1551.74 ft.
Solar Raditation: 141206.93 WH/m2

Climate Indices

Index Name
Growing Degree-Days3081.2
Huglin Index2283.72
Biologically Effective Degree-Days1659.78

Temperature & Rainfall

AverageHi °FMed °FLow °FRain in.
Growing Season77.864.4516.83
Wine Region statistics for Howell Mountain are calculated by averaging over all vineyards currently entered on Everyvine within the region.

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