December 2025 Summary – Colder and Drier Than Average
Blue Hill Observatory December 2025 Summary: December 2025 was colder and drier than normal with less snowfall and much more sunshine than average. The approximated 24-hour mean temperature for the month of 28.9 deg F was 1.2 degrees colder than the 1891-2020 130-year average for December, and it was 3.9 degrees colder than the 1991-2020… Read More »





