MSMU Weather

Weather and Climate at MSMU

Mount St. Mary's University California (MSMU) enjoys a Mediterranean climate characterized by mild, wet winters and hot, dry summers. The campus experiences:

• Temperature: Average highs range from 65°F (18°C) in winter to 85°F (29°C) in summer, with lows around 50°F (10°C) in winter and 65°F (18°C) in summer.
• Rainfall: Most precipitation occurs between November and March, with an annual average of 15 inches (380 mm).
• Extreme Weather: Rarely, the region can experience heatwaves or occasional light frosts.
• Impact on Campus Life: The mild weather facilitates year-round outdoor activities and research, though heavy rain can affect commuting during winter months.