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Temperatures

What's the coldest planet? Get to know the chillest place in our solar system.

The coldest recorded temperature on Earth is minus 128.6 degrees Fahrenheit, but many other planets are regularly colder than this.

Temperatures on Mars, for example, range from 70 degrees all the way to minus 220, according to the National Weather Service.

Jupiter is even colder, according to the NWS, with an average temperature around minus 238.

But even with such unimaginably frigid temperatures on its surface, Jupiter is not the coldest planet in our solar system.

What is the hottest planet? In our solar system, it's not the one closest to the Sun.

What are the biggest planets? Trying to understanding the scale of our universe.

What is the coldest planet in our solar system?

The answer depends on how you define coldest.

Uranus boasts the lowest recorded planetary temperature in our solar system: about minus 370 degrees, according to University College London.

Uranus boasts the coldest recorded planetary temperature in our solar system, with a record low of about minus 370 degrees Fahrenheit.

Despite being further from the sun than Uranus, however, Neptune's mean temperature is lower, according to NASA.

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What is the coldest known planet?

Exoplanet OGLE-2005-BLG-390L b is the coldest known planet, according to NASA, with an average temperature the same as Uranus’ record low of minus 370 degrees.

According to NASA, this exoplanet is 21,526 lightyears from Earth, and its discovery was announced in the year 2005.

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