Morgan Hill experiences mild winters with temperatures rarely dropping below freezing, averaging around 10-11°C in the coldest months of January and February. As spring approaches, temperatures gradually warm up, reaching averages of 12°C by March and staying relatively consistent through May. Summer brings warmer days, but not excessively hot ones, with June to August averages ranging from 13-15°C. Autumn is similar to spring, with mild temperatures, while winters are the coolest period, with some months experiencing sub-zero lows.