* Pluto's average surface temperature is about -375°F (-225°C).
* Earth's average surface temperature is about 59°F (15°C).
* Venus, the hottest planet, has an average surface temperature of 867°F (464°C).
To put it in perspective, Pluto is colder than liquid nitrogen!
Here's a brief comparison of temperatures:
* Sun: 10,000°F (5,500°C)
* Mercury: 333°F (167°C) (daytime), -279°F (-173°C) (nighttime)
* Venus: 867°F (464°C)
* Earth: 59°F (15°C)
* Mars: -81°F (-63°C)
* Jupiter: -234°F (-147°C)
* Saturn: -288°F (-178°C)
* Uranus: -357°F (-216°C)
* Neptune: -391°F (-235°C)
* Pluto: -375°F (-225°C)
As you can see, Pluto is significantly colder than all other planets in our solar system.