Historical weather data, all-time temperature records, and monthly climate averages for Fairhaven, MA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5 in Fairhaven runs cool, with an average high of just 52° and a low near freezing at 33°. The date has a wide range — 2010 brought a pleasant 66°, while 2016 dipped to a bitter 19°. Rain is a real possibility at 41%, though snow is essentially off the table.
Fairhaven's weather has real teeth on both ends — the thermometer has swung from a scorching 102° in July 2011 all the way down to -12° in February 2015. A single day in July 2014 dumped 6.31 inches of rain, a reminder that summer storms here can be serious.
Summer is the clear sweet spot, with highs peaking around 82-84° in mid-July before a gradual fade through fall. January and February are the depths of winter, with highs struggling to reach the upper 30s. If you're trying to avoid rain, steer clear of late March and early April — the wettest stretch of the year.