Doors tend to jam during monsoons primarily due to the increased humidity in the air.
During monsoons, the air is highly humid, causing wooden doors and frames to absorb moisture.
Not only wood but other materials like metal can also expand when they are exposed to high humidity and temperature changes. These hacks can help alot
Rubbing a piece of sandstone paper around the door at the place where it is getting jammed can be helpful. It will loosen that area of the door
A dehumidifier or a hair dryer can be used to dry moisture around a door. They suck in the air and remove moisture lessening the jam.
Rub a dry and moisturiser-free soap at the edges of the door so that it leaves a powdery residue . Repeat it every time when humidity occurs.
Getting the doors painted before the monsoon is a good idea to avoid this problem. This will prevent moisture on the doors and protect them from germ
Rubbing olive oil on the doors can prevent them from getting swollen by humidity and moisture caused during the rainy season