 Nunavut experiences a polar climate in most regions, owing to its high latitude and lower continental summertime influence than areas to the west.In more southerly continental areas very cold subarctic climates can be found, due to July being slightly milder than the required .Mainland Nunavut was first populated approximately 4500 years ago by the Pre-Dorset, a diverse Paleo-Eskimo culture that migrated eastward from the Bering Strait region.