According to the 2023 USDA Hardiness Zone Map Hana, Hawaii is in Zones 12a (50°F to 45°F) and 12b (55°F to 50°F). There is no change from the 2012 USDA Hardiness Zone Map which has Hana in also in Zones 12a (50°F to 45°F) and 12b (55°F to 50°F).