August is a hot summer month in Maryland with average high temperatures in the 81°F (27.2°C) to 87°F (30.6°C). Frederick in the central region averages between 66°F (18.9°C) to 87°F (30.6°C), while Hagerstown in the west is between 64°F (17.8°C) to 83°F (28.3°C). Days are hot, and temperatures frequently cross 90°F (32.2°C). Nights are comfortable even during hot and humid days. An average of ten wet days in the month brings 4" (102mm) to 5" (127mm) of rainfall. The fishing season is in full swing, and there is even a crab festival during the summer. Visitors crowd the white, sandy beaches and water parks as the hot sun takes its toll. It is imperative to wear sunscreen to protect from the scorching sun, which emits dangerous levels of ultraviolet radiation. Low-pressure belts over the New England region usually bring dry and clear weather in Maryland. Temperatures cross 90°F (32.2°C) for an average of 30 to 40 days in the summer, and many of those occur during August in Maryland.