Acadia National Park driest month with 3.3" (84 mm). Precipitation days are spread evenly throughout the year with January averaging the most days, about 11, while August averages the least, about 8, and all other months average 9 or 10 days. The annual average days with precipitation is 115 which consists of about 82 rainy days and about 33 days with frozen, or freezing, precipitation (snow, sleet, hail, freezing rain, or combinations). Snow has been recorded from October to May though the majority falls from December to March. The snowiest month is February with 18.7" (47.5 cm), and the annual average is 66.8"
Hail with air, wind, and interaction with rain and other hailstones can slow their descent through Earth's atmosphere. Severe weather warnings are issued for hail when the stones reach a damaging size, as it can cause serious damage to human-made structures and, most commonly, farmers' crops. Any thunderstorm which produces hail that reaches the ground is known as a hailstorm. Hail has a diameter of or more. Hailstones can grow to and weigh more than . Unlike ice pellets, hailstones are layered and can be irregular and clumped together. Hail is composed of transparent ice or alternating layers of transparent and