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What is the highest temperature ever recorded in Michigan?
The highest temperature recorded was 30.5°C in "the Eastern fjords" (Austfirðir) in 1939. It also reached about 30°C (not 29, definitely 30+) (30.2°C, I recall.) in Þingvellir, {summer} 2008.
Greenland's average summer temperature is around 5°C, although temperatures of 21°C have been recorded in Narsarsuaq in 2006. And in ENGLISH that is 41Fahrenheit and temperatures of up to...