Roofing in San Diego: Climate & Local Conditions
Among California's largest cities by population (about 1,386,932 residents), San Diego faces a dry climate (11 inches per year) and summer highs averaging 76°F and winter lows around 50°F. San Diego's mild coastal Mediterranean climate is one of the gentlest in the country for roofing — but inland canyons face significant wildfire risk. For roofs, the dominant local concerns are wildfire risk, UV, salt air corrosion, and occasional Santa Ana winds.