Hawaii In January 2025 Winter. In honolulu, the average temperature during january is around. Generally, january in hilo will be really nice, with an average temperature of around 80°f / 27°c.

Starting the year, january in wailua, hawaii, brings moderately warm temperatures combined with pleasant breezes. Generally, january in hilo will be really nice, with an average temperature of around 80°f / 27°c.