The State University of New York College at Old Westbury (SUNY Old Westbury) experiences a humid subtropical climate with four distinct seasons:
Winter (December to February): Temperatures range from 20°F to 40°F (-6°C to 4°C), with occasional snowstorms affecting commuting and campus life.
Spring (March to May): Temperatures rise from 30°F to 70°F (-1°C to 21°C), with increasing rainfall that can impact outdoor research.
Summer (June to August): Warm and humid, with temperatures between 60°F and 85°F (16°C to 29°C), ideal for outdoor activities but can be challenging for non-air-conditioned facilities.
Fall (September to November): Temperatures cool from 70°F to 40°F (21°C to 4°C), with beautiful foliage but occasional early frosts.