it features all historical weather data series we have available, including the portland temperature history for the summer of 2023. You can drill down from year to. july 2023 will be remembered for very warm and humid conditions for northern/eastern maine with near to above average rainfall. the maine climate office is overseen by the maine state climatologist, dr. Sean birkel, and supported by cooperative extension and the climate change institute at the university. 2023 was a warm and wet year across northern and eastern maine. It ranked as the…