Fish do bite when it rains, but their activity is generally lower during rain. Rain both oxygenates and colors the water, which are two very positive aspects when it comes to fishing, but the fish seem to need time to adjust to the sudden shift. That is why you should focus on fishing right after a rainfall instead!

Is it good to fish in the rain?

Rainy weather also creates desirable conditions for lake fishing. Many species of fish are more active under dark conditions, than in bright sunlight. ... Rain will aerate the surface water and often has a cooling effect, both of which can activate fish.

Are fish more aggressive in the rain?

How Should I Fish After it Rains? After it rains, the water clarity will be lower, and other fishes will bite more aggressively. As a result, you should go for catching bigger fish with heavier lures and bait because they are more active after rain.