Historical weather data, all-time temperature records, and monthly climate averages for Wolcott, CT. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5th in Wolcott sits right on the edge of winter's retreat — average highs of 52° with lows still dipping to freezing. The date has swung wildly over 90 years of records, from a balmy 75° in 1974 to a brutal 16° in 1995, so don't put the jacket away just yet.
Wolcott's weather has real teeth at both extremes — a scorching 100° in June 2025 on one end, and a bone-crushing -25° on Valentine's Day 2016 on the other. The wettest single day on record dumped 12.77 inches during a 1955 August storm, and a February 2013 nor'easter buried the town under 26 inches of snow.
Wolcott peaks in mid-July with average highs of 85°, making late summer the sweet spot for warm-weather visits, while January and February are firmly cold country with highs only reaching the mid-30s. If you're dodging rain, note that the wettest stretch runs mid-August, averaging over an inch of precipitation in a single week.