Historical weather data, all-time temperature records, and monthly climate averages for Kaukauna, WI. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5th in Kaukauna is classic late-winter-meets-spring uncertainty — expect a high around 48° and a low near 30°, with nearly a 1-in-2 chance of precipitation. The date has a wide historical range, swinging from a balmy 77° in 1991 to a bitter 12° low in 1996. There's still a 13% chance of snow, so don't put the scraper away just yet.
Kaukauna's weather has real teeth at both extremes — the mercury has soared to 107° (July 1936) and plunged to -32° (February 1929), a staggering 139-degree spread. A single July day in 2010 dumped 4.45 inches of rain, and March 2026 brought a stunning 18.2 inches of snow in one storm.
Summer is short but warm, with highs peaking around 82°-83° in mid-July — your best window for comfortable outdoor plans. By late January through early February, average highs bottom out at just 24°, making it one of the more punishing stretches of the year. If you're watching for rain, mid-to-late June is the wettest stretch, averaging over an inch of precipitation in a single week.