Rain Forest Theme Unit - Animals, Reading Comprehensions Rain Forest Animals Word Search (20 Words) Rain Forest Animals Word Search (All Words) Rain Forest Animals Word Search (All Words - lowercase) Fill in the Missing Letter Unscramble the Words Circle the Correct Word Fill in the Missing Vowels Fill in the Words Puzzle Vocabulary Crossword Puzzle (Definitions) Vocabulary Crossword Puzzle Rain Forests | edHelper Rain Forests. The average temperature is 77 degrees Fahrenheit. The average monthly rainfall is more than four inches. A warm climate and plentiful rains create a perfect environment for plants and animals to thrive. At least fifty percent of all the plant and animal species in the world are in the rainforest.