According to the 2023 USDA Hardiness Zone Map The Dalles, Oregon is in Zones 7b (5°F to 10°F) and 8a (10°F to 15°F). There is no change from the 2012 USDA Hardiness Zone Map which has The Dalles in also in Zones 7b (5°F to 10°F) and 8a (10°F to 15°F).