Greater Sudbury Weather

Greater Sudbury has an average of 2,059 hours of sunshine annually.  Average temperature in January is -13°C.  Summer is hot and humid warm and dry with average temperatures of 18°C. Average annual rainfall is 861 mm (about 34 inches), and average monthly summer rainfall is less than 83 cm (3 inches), with September being the wettest month. In the summer time, you can generally expect hot and sunny weather, with occasional precipitation. In the fall and spring time, expect cooler weather and cloud. The winters are typical of northern Canada, being both continuous and generally cold. Travellers should wear sweaters in fall, and appropriate warm coats and boots in the winter.