Monument Peak and Summitpoint homes in the snow in March Summary of the general climate and historical weather patterns for the area. For the most up-to-date information, please refer to reliable weather resources linked below. General Climate in Milpitas, California Mediterranean Climate: Milpitas experiences a Mediterranean climate characterized by mild, wet winters and warm, dry summers. Temperature: Average highs in summer (June-August) range from 75°F to 85°F (24°C to 29°C), while winter temperatures (December-February) typically range from 45°F to 60°F (7°C to 15°C). Rainfall: Most rainfall occurs during the winter months, with an average annual precipitation of around 15 inches (38 cm). Summers are generally dry. Microclimates: Due to its…