May in San Jose, California, typically marks the transition from spring to summer. Residents and visitors can expect mild temperatures, sunshine, and low humidity. Average high temperatures range from the low to mid-70s Fahrenheit (low 20s Celsius), while average lows settle in the mid-50s Fahrenheit (low teens Celsius). Rainfall is minimal, making it an ideal time for outdoor activities.
Pleasant weather conditions during this period contribute significantly to the region’s appeal. The comfortable temperatures and sunny skies create a favorable environment for exploring the city’s numerous parks, hiking trails, and outdoor attractions. Historically, this period has been crucial for local agriculture, with the dry weather providing ideal conditions for harvesting certain crops. This agreeable climate also facilitates a variety of outdoor events and festivals, boosting tourism and the local economy.