New York City and London are both popular places for tourists to visit. London is bigger than New York City. London covers 1,572 km² while New York City covers 783.8 km². Surprisingly, New York City is colder London with an average of 1,200 mm of rain per year, compared to 583 mm per year in London. York City is also greener in the summer. The average temperature is 26 °C in New York while the temperature is 22 °C in London. London is hotter than New York City with more parks, gardens, and green spaces. New York City is more popular and 65 million tourists visit the city every year.