According to the 2023 USDA Hardiness Zone Map Kahaluu-Keauhou, Hawaii is in Zones 12a (50°F to 45°F), 12b (55°F to 50°F) and 13a (60°F to 55°F). This is a change from the 2012 USDA Hardiness Zone Map which has Kahaluu-Keauhou in Zones 12b (55°F to 50°F).