Although Mercury is the closest planet to the sun, it is only the second hottest planet after Venus. Venus is the hottest as the thick Carbon Dioxide atmosphere holds the heat more effectively, while Mercury has no atmosphere.
Asked in Social Sciences, Planetary Science
Which planet has the hottest average surface temperature?
The planet with the hottest temperature is Venus with its temperature of 464 degrees Celsius ...
Which planet in our solar system has the hottest surface temperature?
Venus is hottest planet with a the average temperature of 449°C (850°F)