From Arctic winter blasts to unusual fall warmth, and from droughty stretches to heavy rains, 2025 delivered both temperature whiplash and precipitation ping-pong across the state.
Wisconsin Climate Summaries
December 2025 Climate Summary
The first month of winter began with a burst of severe cold and lingering November snow, then flipped to temperature swings and mixed precipitation.
November and Fall 2025 Climate Summary
The winter season was eager to arrive in Wisconsin this year, and managed to edge its way into the final month of meteorological fall.
October 2025 Climate Summary
Warm, windy days and underwhelming rainfall shaped everything from drought and leaf-peeping to harvests this October.
September 2025 Climate Summary
Crisp, fall-like temperatures gave way to summerlike warmth, scattered rainfall did little to ease expanding dry conditions, and harvest activity picked up, all leaving their mark on September in Wisconsin.
August and Summer 2025 Climate Summary
From heat and smoke to floods and storms, August packed a barrage of extremes and ended with an early taste of fall.
July 2025 Climate Summary
July in Wisconsin packed it all in — heat waves, record humidity, drenching rains, a near-constant rumble of storms, and a drought-free finish.
June 2025 Climate Summary
June lured Wisconsin into a false sense of comfort during the first half of the month, before extreme heat, humidity, and waves of severe weather entered during the second half.
May and Spring 2025 Climate Summary
May and spring kept Wisconsin on its toes: record-breaking heat to unseasonable chills, dry spells to drenching storms, and tornadoes to wildfires.
April 2025 Climate Summary
With modest temperatures, hit-or-miss showers, and bouts of severe weather, April 2025 shaped up to be Wisconsin’s most normal April since 2009.