What is room temp Butter
I, too, have the same problem - namely that in the winter we keep the house cool, and the butter is hard, etc..

In restaurants, I will microwave butter to get it to 'room' temperature when needed, but you must do it in short bursts, or parts will melt. Micro for 10-20 sec., then pause a minute, then do it again. As with any softening technique, the critical thing is that you don't want it to liquify in most cases, as it will lose the emulsion properties that make butter so awesome.