Historical weather data, all-time temperature records, and monthly climate averages for Billerica, MA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5 in Billerica runs cool, with an average high of 53° and a low that still dips to freezing at 32°. The date has seen a 54-degree swing in its history — from a balmy 73° in 2010 down to a bitter 19° in 2016. There's about a 1-in-3 chance of rain today, but snow is effectively off the table.
Billerica's weather has real range — 122 degrees separate its all-time records, from a scorching 102° in July 2010 to a brutal -20° in January 1957. The wettest single day on record dumped 8.48 inches during a September 1954 storm, and a December 1960 snowstorm buried the area under nearly 20 inches in one shot.
Summer is the sweet spot, with highs peaking around 83-84° in mid-July before a gradual fade through fall. Winters are cold and honest — January highs hover near 34° — so plan indoor backup for anything between November and March. December is the wettest stretch of the year, averaging over an inch of precipitation in its snowiest week.