Mauna Kea (White Mountain) is a dormant volcano on the island of Hawaii, the largest and southernmost of the Hawaiian Islands. It is located about 300 km (190 miles) from Honolulu, which lies on the island of Oahu.
Terceira: Annual Weather Averages. August is the hottest month in Terceira with an average temperature of 23Â°C (73Â°F) and the coldest is January at 15Â°C (59Â°F).
Terceira Island (the lilacisland) is located approximately 90 miles off Sao Miguel and 66 miles off Faial, and has a surface area of 148 sq. miles (382 km2).