Tempranillo Navarra, and Penedès. During the 1990s, growers in Australia and South Africa started significant Tempranillo plantations. Tempranillo is a black grape with a thick skin. It grows best at relatively high altitudes, but it also can tolerate a much warmer climate. With regard to Tempranillo's production in various climates, wine expert Oz Clarke notes, In the Ribera del Duero the average July temperature is around 21.4° Celsius (70.5° Fahrenheit), though temperatures in the middle of the day in the lower valley can jump as high as 40 °C (104 °F). At night the region experiences a dramatic diurnal temperature variation,
Washington wine Washington are Cabernet Sauvignon, Riesling, Chardonnay, Merlot, and Syrah. There are also plantings of Cabernet Franc, Grenache, Malbec, Pinot gris, Sauvignon blanc, Sémillon, Tempranillo, Viognier, Barbera, Chenin blanc, Gewürztraminer, Nebbiolo, Petite Sirah, Pinot noir, Sangiovese, and Zinfandel. Vineyard acreage dedicated to red varieties was in 2006. The four most prevalent red varieties were Cabernet Sauvignon at , Merlot at , Syrah at , and Cabernet Franc at . Vineyard acreage planted to white varieties was . The four most prevalent white varieties were Chardonnay at , Riesling at , Sauvignon blanc at , and Gewürztraminer at . Washington State is