Where is 16 degree isotherm?

The 16-degree isotherm, which represents areas where the average temperature is around 16 degrees Celsius, is typically found in the mid-latitudes during the summer months. It often runs through parts of northern Europe, including regions of the United Kingdom and Scandinavia, as well as parts of the northern United States and Canada. Seasonal variations can shift its position, and it may also appear in Southern Hemisphere regions like southern Argentina or parts of Australia during specific times of the year.