CLIMATE OVERVIEW. Durango, Colorado, gets 19 inches of rain per year. The US average is 39. Snowfall is 79 inches. The average US city gets 26 inches of snow per year. The number of days with any measurable precipitation is 52.
Quick Answer. Most hummingbirds in America and Canada spend the winter in Mexico or South America before migrating to their breeding ground in southern U.S. as early as February or the first week of March. Some South American hummingbird species also travel north to the tropics during the southern winter.
September is typically the most satisfying month to feed hummingbirds. As the nights become regularly cold, rubythroats begin to migrate south. This occurs in Missouri in late September, and by October 10 the rubythroats are usually gone. That's a good time to bring in the feeders and clean them for winter storage.