Yes, it can make a difference in the finished product. If you’re using a block ice shaver, if the ice is too cold, when it’s shaved it will not stick together. On the contrary, if it’s too warm, the ice will create clumps. To ensure that your ice blocks are at the appropriate temperature, you could temper (or warm up) your ice blocks. Tempering the ice allows it to reach the ideal temperature, which is usually 18-20 degrees Fahrenheit.