USC Weather

Weather and Climate at USC

The University of Southern California enjoys a Mediterranean climate characterized by warm, dry summers and mild, wet winters. Located in Los Angeles, USC experiences:

• Summer (June to September): Average high temperatures range from 75°F to 85°F (24°C to 29°C), with occasional heatwaves pushing temperatures above 90°F (32°C).
• Winter (December to February): Average highs are around 65°F to 70°F (18°C to 21°C), with lows dropping to 45°F to 50°F (7°C to 10°C). Rainfall is more common during these months, averaging 15 inches annually.
• Spring and Fall: These seasons are transitional, with temperatures gradually increasing or decreasing and less rainfall.

Extreme weather conditions are rare, but occasional Santa Ana winds can increase fire risk. The mild climate at USC facilitates year-round outdoor activities, though heavy rain can impact commuting and campus life.