Monstera Deliciosa Humidity. A suitable temperature is around 18 C - 30 C and is best in a room with high humidity or humidity. This plant thrives in low light and is not directly exposed to light.
If the soil is naturally salty in your region move it to the patio or indoors. Use an all-purpose houseplant potting mix for your Monstera and place in a pot which has drainage holes. Monstera Deliciosa are extremely popular in the houseplant hobby and luckily theyre not too difficult to grow from seed.
However it is native to rainforests where humidity is a constant and creating humidity around your plant produces the best and healthiest growth.
Low humidity and dry air also cause the leaf edges to brown. Make sure your Monstera leaves are not directly touching the windows as this damages them further. If possible mist the leaves once a week to increase humidity. Another alternative is to manually spritz the leaves of your Monstera Deliciosa from time to time.