Monthly Weather Hawaii. Web 71° 6 82° 74° 7 80° 73° 8 80° 73° 9 79° 72° 10 80° 71° 11 80° 72° 12 78° 70° 13 79° 71° 14 82° 69° 15 81° 69° 16 77° 69° 17 79° 70° wed 14 | day 82° 2% ese 11 mph partly. In general, oahu is usually.
Web august is the hottest month in hawaii with an average temperature of 27°c (81°f) and the coldest is january at 23°c (73°f) with the most daily sunshine hours at 11 in july. Average day and night temperature the mean minimum and. Web 71° 6 82° 74° 7 80° 73° 8 80° 73° 9 79° 72° 10 80° 71° 11 80° 72° 12 78° 70° 13 79° 71° 14 82° 69° 15 81° 69° 16 77° 69° 17 79° 70° wed 14 | day 82° 2% ese 11 mph partly.