Did you know that July 31 is National Avocado Day? Show your love and appreciation of this tasty and nutritious treat by storing them properly. Unripe avocados should be left on the counter to ripen at room temperature. Place avocados in a paper bag with an apple to ripen more quickly. Once ripe, store avocados in the refrigerator to extend shelf life. For tips on how to store cut avocados so they don’t turn brown, watch the video below.