There are many factors affecting the weather and thus the overall climatic conditions of Wailuku and this play a major role in the overall lifestyle and habitat of the flora, fauna as well as the human beings of the area.

These factors broadly include those regarding elevation that is its height from sea level which is approximately measured as two hundred and forty nine feet also stated as about 76 meter and this is one of the reasons of the peculiarity of the weather of Wailuku.

Other aspects include the average rainfall per annum that is received by the islands and this also affects the lives of the natives to a large extent as well as creates an impact on the day to day temperature differentiation of the island.

The zone of the Hawaiian islands that Wailuku is categorized in includes the humid tropical area and the other places that belong to this genre include a those which lie at a distance of up to four hundred and fifty feet about hundred and thirty seven meter from the sea level. These areas are closer to the sea surface and thus the water from the sea evaporates directly onto the land and controls the atmosphere of the island.

Like all other parts of Hawaii, Wailuku also has only two seasons which are winter and summer and does not go through spring and autumn because of the climatic commodities that dominate in the area.

When visiting Wailuku one should make adequate preparations because of the tropical climate.