The Maine Summer 2021 Climate Summary was prepared by Sean Birkel, Assistant Extension Professor and Maine State Climatologist with the Climate Change Institute and Cooperative Extension. The Maine statewide climatological summer (June-August) 2021 average temperature was 65.6°F or 4th warmest on record for the 127-year period beginning 1895. This temperature is 0.1°F cooler than for the same read more Maine Climate News posts update on the Maine Summer 2021 Climate Summary