This mod adds temperature depending on what biome you are in. You can show the scale between celsius, fahrenheit and kelvin.
The temperature decreases in the following situations: -While it's getting dark. -While it's raining. -As long as you are at higher coordinates. -Each piece of a metal armor lowers the temperature by 5 degrees.
The temperature increases in the following situations: -While it is getting daylight. -At low coordinates. -Light from blocks increases the temperature. -The leather armor.
If the temperature is very low you will start to die of cold. If the temperature is very high you will die of heat.