showery

adjective2

1. •
   Given to showers; having frequent rainfall.

   • A gentleman goes forth on a showery and miry day. He returns immaculate in the evening with the gloss still on his hat and his boots. — 1901
2. •
   Of or relating to a shower or showers.

   • Over their heads a crystal firmament, / Whereon a sapphire throne, inlaid with pure / Amber, and colours of the showery arch. — 1667