Venus is the hottest planet in the solar system, despite Mercury being closer to the Sun.
How the answer works
Venus has a dense carbon-dioxide atmosphere that creates an extreme greenhouse effect.
Quick reference
Its mean surface temperature is about 465°C (869°F), hot enough to melt lead.
Everyday example
Mercury’s thin exosphere allows enormous day-night temperature swings, while Venus stays intensely hot.
Important distinction
Do not confuse highest surface temperature with closest orbital distance to the Sun.
Frequently asked questions
What is the simplest way to remember it?
Its mean surface temperature is about 465°C (869°F), hot enough to melt lead.
Why might I see a different answer elsewhere?
Do not confuse highest surface temperature with closest orbital distance to the Sun.
For exact results, identify the unit system or starting date before calculating. Wondelique answers everyday questions with the practical context that makes each answer useful.
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