The specific heat of water is 1 calorie/gram °C = 4.186 joule/gram °C which is higher than any other common substance.As a result, water plays a very important role in temperature regulation. The specific heat per gram for water is much higher than that for a metal, as described in the water-metal example.he specific heat of water is 1 calorie/gram °C = 4.186 joule/gram °C which is higher than any other common substance.