Part of Northern Michigan, Petoskey is on the southeast shore of the Little Traverse Bay of Lake Michigan at the mouth of the Bear River.
According to the United States Census Bureau, the city has a total area of 5.29 square miles (13.70 km²), of which 5.09 square miles (13.18 km²) is land and 0.20 square miles (0.52 km²) is water.

Its location on the bay produces tremendous seasonal lag in the weather, especially in winter, with February the coldest month, March colder than January, and April barely warmer than December.
In summer, August's average high temperatures are 3 degrees warmer than July's, and the year's average highest temperatures usually occur in the second half of August on average.
Part of Northern Michigan, Petoskey is on the southeast shore of the Little Traverse Bay of Lake Michigan at the mouth of the Bear River. According to the United States Census Bureau, the city has a total area of 5.29 square miles (13.70 km²), of which 5.09 square miles (13.18 km²) is land and 0.20 square miles (0.52 km²) is water. 
Its location on the bay produces tremendous seasonal lag in the weather, especially in winter, with February the coldest month, March colder than January, and April barely warmer than December. In summer, August's average high temperatures are 3 degrees warmer than July's, and the year's average highest temperatures usually occur in the second half of August on average.
Petoskey, Michigan