Weather

Weather conditions in a dungeon may occur. Weather conditions may be set to a certain dungeon floor or can be activated by a Pokemon's moves or abilities. Weather affects all Pokemon on the floor. Weather conditions have been added to the Mystery Dungeon series not present in other Pokemon games.

Cloudy
All moves except Normal type moves deal 3/4 damage.

Fog
Electric type moves deal 1/2 damage.

Hail
Damages all Pokemon on the floor except Ice types every 10 turns.

Rain
Water type moves deal 1.5 times damage, while Fire type moves deal 1/2. The moves Explosion and Self Destruct and all Explosion and Self Destruct traps will not work.

Sandstorm
Damages all Pokemon on the floor except Ground, Steel, and Rock types every 10 turns. Pokemon with the Sand Veil ability have their evasiveness raised by 2.

Snow
Ice type Pokemon have their speed raised by 1.

Sunny
Fire type moves deal 1.5 times damage, while Water type moves deal 1/2. The move Solarbeam can be used without charging a turn when it is Sunny.