[header] How to get more juice out of a lemon [title] Let the lemon sit out at room temperature. [step] Lemons that sit out at room temperature are easier to work with than cold lemons, so you should be able to squeeze more juice out. Cold temperatures cause the membranes inside the lemon to constrict and solidify, making the fruit more rigid. 
A room temperature lemon, by contrast, has a softer texture that makes it easier to squeeze. [title] Warm the lemon in a bowl of water.