Stony Brook Weather

Weather and Climate at Stony Brook

The climate at State University of New York at Stony Brook is characterized by a humid subtropical climate with significant seasonal variations:

• 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 40°F to 60°F (4°C to 15°C), with increasing rainfall that can impact outdoor research.
• Summer (June to August): Warm to hot, with temperatures between 60°F to 85°F (15°C to 29°C), and high humidity which can affect comfort during outdoor activities.
• Fall (September to November): Temperatures cool from 80°F to 50°F (27°C to 10°C), with beautiful foliage but also potential for early frosts.

Extreme weather conditions include occasional hurricanes in late summer and early fall, which can disrupt campus operations.