average surface temperature of neptune
It is also one of the coldest planets in the solar system. Neptune s temperature can be as low as 55 Kelvin (-218 degrees Celsius). The average temperature of Neptune is about 73 Kelvin (-200 Celsius). However, at the South Pole of Neptune the temperature is about -10 degrees Celsius warmer than the rest of the planet.The South Pole is warmer due to its exposure to the sun.t is also one of the coldest planets in the solar system. Neptune s temperature can be as low as 55 Kelvin (-218 degrees Celsius). The average temperature of Neptune is about 73 Kelvin (-200 Celsius). However, at the South Pole of Neptune the temperature is about -10 degrees Celsius warmer than the rest of the planet.