amount of rainfall in forests
The tropical rain forest is a forest of tall trees in a region of year-round warmth. An average of 50 to 260 inches (125 to 660 cm.) of rain falls yearly. Rain forests belong to the tropical wet climate group. The temperature in a rain forest rarely gets higher than 93 Â°F (34 Â°C) or drops below 68 Â°F (20 Â°C); average humidity is between 77 and 88%; rainfall is often more than 100 inches a year. There is usually a brief season of less rain.