Monstera Leaves Feel Thin. The plant pot should feel much lighter than normal due to the lack of water. If you see yellow or brown leaves on your Monstera you may be overwatering.
Other causes include overwatering low light fertilizer problems pests or transplant stress. As the plant matures the newer leaves will slowly have more and more fenestrations. Light brown spots and crispy edges on monstera leaves means the monstera needs more water.
If you notice the lower leaves especially the oldest leaves are turning yellow go ahead and feel the soil.
The Monstera adansonii has more leaves than the perforated holes and the leaves have thick textured the touch. Monstera turning brown because of sunburn low humidity poor nutrients over-fertilization transplant shock diseases and extreme temperatures. A lack of water and humidity can have a similar effect. The leaves are very thin and are 80 holes it is almost impossible to find one of these anywhere.