When temperatures rise, the Tower increases in size! This is a natural physical phenomenon called thermal expansion. Heat causes an increase in volume that makes the Eiffel Tower a few centimeters taller. This expansion also causes the Tower to tilt slightly away from the sun.

Does the Eiffel Tower grow and shrink?

For 41 years after it opened in 1889, the Eiffel Tower remained the tallest building in the world. ... 4) Because heat causes the metal Tower to expand and cold causes it to shrink, the height of the Tower can vary with the outside temperature by 15 centimeters (5.9 inches).

Is the Eiffel Tower getting taller?

Eiffel Tower gets taller by 6 inches in summer. The Eiffel Tower gets taller by up to 6 inches during the summer, when the temperature reaches as high as 40°C. Extreme heat causes the metal at the base to expand, increasing the height of the 300-metre-tall tower.