Historical weather data, all-time temperature records, and monthly climate averages for Branford, CT. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Branford runs cool, with average highs of 53° and lows dipping to 37° — still firmly late-winter territory. The date has seen some wild swings, from a brutal 17° in 1954 all the way up to 71° just this year in 2025. There's also nearly a coin-flip chance of rain, with a 1-in-10 shot at snow still on the table.
Branford's weather has real range — 109 degrees of it, to be exact, from a -8° freeze in January 1948 to a scorching 101° in July 2011. The wettest single day on record dumped 5.24 inches in June 1972, and a February 1958 storm buried the area under 16.1 inches of snow.
Summer is the sweet spot, with highs peaking around 82-83° in mid-to-late July and comfortable beach weather through August. Winter bottoms out the third week of January, when average highs barely crack 36°. December is the wettest stretch of the year, averaging 1.1 inches of precipitation in a single week.