Maine Summer 2021 Climate Summary By Dr. Sean Birkel, Maine State Climatologist Highlights Statewide Overview Drought Signal Carries into 2021, but Conditions Less Severe Looking Farther Afield Mid-November Update Highlights The 2021 summer (June–July) was 4th warmest and 49th driest since 1895. A drought signal from 2020 carried into this year, but impacts during the