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).
Temperature variations between night and day tend to be moderate during summer with a difference that can reach 23 degrees Fahrenheit, and moderate during winter with an average difference of 20 degrees Fahrenheit. The annual average precipitation at Osceola is 36.49 Inches. Rainfall in is fairly evenly distributed throughout the year.