Cal Poly Pomona Weather

Weather and Climate at Cal Poly Pomona

The climate at California State Polytechnic University - Pomona is characterized by a Mediterranean climate with warm, dry summers and mild, wet winters. The campus experiences:

• Temperature: Average highs range from 65°F (18°C) in winter to 85°F (29°C) in summer, with lows around 45°F (7°C) in winter and 60°F (16°C) in summer.
• Rainfall: Most precipitation occurs from November to March, averaging 15 inches (380 mm) annually.
• Extreme Weather: Rarely experiences extreme weather, though occasional heatwaves in summer can affect outdoor activities.
• Impact on Campus Life: The mild climate supports year-round outdoor activities and research, though heavy rain can impact commuting during winter months.