August is hot in the summer season of Arizona, with average high temperatures in the 78°F (25.6°C) to 110°F (43.3°C). Flagstaff in the north averages between 50°F (10°C) to 78°F (25.6°C), while Sedona in the center is between 66°F (18.9°C) to 94°F (34.4°C). The Phoenix Area is warm in August and registers between 75°F (23.9°C) to 104°F (40°C). Rainfall averages from 2" (51mm) to 4" (102mm) in the south and central regions, while it is light elsewhere. Backcountry camping provides a unique challenge to adventurers in summer. The Grand Canyon National Park finds many takers during summer vacations and is abuzz with activities like canoeing and kayaking the rapid waters. Wild animals usually avoid the hot sun and forage for food at dawn and dusk. Fishing is popular during the summer, with an increase in the water levels due to the moderate amount of precipitation. Heavy rainfall floods dry arroyos and stalls vehicular movement. Expect the temperatures to cool down by the end of August in Arizona slightly.