The average annual rainfall in naples, italy, is 39.6 inches, and the average annual rainfall in fort collins, colorado, is 15 inches. what could be the reason for the difference in average precipitation?

Many factors, such as elevation, ocean currents, distance from the sea, and prevailing winds, can affect the climate of an area. One of the most important things that influences climate, though, is latitude. The latitude of an area indicates how far it is - north or south - of the equator.