Historical weather data, all-time temperature records, and monthly climate averages for Madison, CT. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5 in Madison lands right in the heart of the shoulder season — expect a typical high of 53° and a low around 36°, with a one-in-three chance of rain. The date has swung between a balmy 67° in 2010 and a bitter 23° low in 2016, so keep a jacket handy.
Madison's weather has real range: the thermometer has hit 101° in July and cratered to -8° in January, a nearly 110-degree spread over the record period. A single June storm in 1972 dumped 5.24 inches of rain, and a February 1958 snowfall buried the town under 16.1 inches in one shot.
Summer is the star here — highs reach the low 80s from mid-July through August, making it peak season for the Connecticut shoreline. Winters are cold but not brutal, with January and February highs stuck in the upper 30s. If you're watching your umbrella, note that December is statistically the wettest stretch of the year.