Climate Summary for December of 2025: The year 2025 concluded with a colder than normal December. Most climate observers reported a mean monthly temperature that was 2°F to 5°F cooler than normal. Temperature extremes for the month were 55°F at Brainerd on the 16th to -28°F at Itasca State Park on the 19th. There were numerous nights of subzero temperatures, mostly in central and northern counties, as well as several days with Wind Chill values from -25°F to -45°F. In fact, with all the subzero temperature readings, Minnesota reported the coldest temperature in the 48 contiguous states on 10 days during the month. With a statewide average monthly temperature of 13.1°F, it was the coldest December since 2013. Precipitation was mixed during the month, with many climate stations reporting above normal values, and many reporting below normal values. The statewide average was about 1 inch, but a large number of climate stations reported over 1.50 inches of precipitation, and some reported o...
