(idiomatic) Regardless of what the circumstances are, and how the weather is.

The yellow-billed cuckoo (Coccyzus americanus)

rain contaminated by fungi spores, soot, or other particulate matter / radioactive rain that fell on Hiroshima following the atomic bombing of 1945

The first rainfall of a season, at the start of spring in cold climates or the end of summer in hot, dry climates.

plural of rain tree

Any gutter designed to carry away rain, such as an eavestrough on a building or a drain on a motor vehicle's roof rack.

plural of rain check

plural of rain crow

Alternative form of rainforest

plural of rain cheque