Situated within a region of low to moderate wind shear and weak outflow, slow development ensued.

[2] A monsoonal system, the depression featured an extensive circulation with the strongest winds well away from the center, contrary to most tropical cyclones.

A scatterometer pass revealed winds up to 65 km/h (40 mph) within a banding feature to the east of the storm's center by the evening of June 13.

[6] Early on June 15, Hagibis made landfall over southern China, and it subsequently weakened to a tropical depression.

Later that day, the remnants entered moved back over warm waters, and accompanied by low vertical wind shear, and the storm re-intensified.

Due to extreme rainfall since Tropical Storm Mitag on June 10, the Philippine Atmospheric Geophysical and Astronomical Services Administration (PAGASA) declared the official start of the rainy season.