Asphalt shingles are the leading choice for residential roofing in the United States because they provide quality, durability, versatility and economy. Over 12.5 billion square feet of asphalt shingle products are manufactured annually â enough to cover more than 5 million homes every year.
Much of California has a Mediterranean-like climate with warm, dry summers and mild, wet winters. On the coast, the average daily high temperature hovers around 70Â°F/21Â°C and up), but can occasionally spike to 80Â°F 27Â° C or more on hottest summer days; freezing temperatures are rare, even in winter.
The coast's nighttime average low temperatures for the year range from as warm as 58 degrees F (14 Â°C) at San Diego to as cool as 42 degrees F (6 Â°C) at Klamath. In the north, the year's ocean temperatures average 52 degrees F (11 Â°C), while in southern California the water is at least 10 degrees F (5 Â°C) warmer.verage Temperatures for California's Ocean Beaches. Average temperatures for the year at beaches, cities and parks along the Pacific Ocean in California are listed below.