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Theodore Roosevelt National Park Climate
Summers are warm with temperatures in the 80s and 90s with a few days into the 100s on some years. Evenings can be cool. Average maximum: July is 87.1 degrees and August is 86.7 degrees. Average minimum: July 54.5 degrees and August is 52.4 degrees. Annual precipitation is 15 inches.
Winters are generally cold. Recommend layers of clothing, especially in spring and fall. Rain gear in spring. Hat for sun protection is needed in summer.
Maine ocean islands provide the only nesting sites for Atlantic puffins in the United States. Eastern Egg Rock in the midcoast region, Seal Island and Matinicus Rock at the mouth of Penobscot Bay, and Machias Seal Island and Petit Manan Island off the downeast coast provide habitat for more than 4,000 puffins each summer.