UMSL Weather

Weather and Climate at UMSL

The University of Missouri - Saint Louis experiences a humid subtropical climate with four distinct seasons. UMSL's location in St. Louis, Missouri, means:

• Spring (March to May) - Temperatures range from 40°F to 70°F, with increasing rainfall.
• Summer (June to August) - Hot and humid with temperatures often between 70°F and 90°F, occasionally reaching above 100°F. Thunderstorms are common.
• Fall (September to November) - Cooler temperatures from 50°F to 70°F, with less humidity and beautiful foliage.
• Winter (December to February) - Cold with temperatures ranging from 20°F to 40°F. Snowfall can occur, averaging around 18 inches annually.

The weather impacts commuting and campus life, with students and staff needing to prepare for seasonal changes. Outdoor research activities are more feasible in spring and fall.