Historical weather data, all-time temperature records, and monthly climate averages for Hanover, MA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Hanover is a true coin-flip day — averages of 53° and 36° sound mild enough, but this date has swung from a balmy 80° in 2010 to a brutal 21° low in 2016. There's nearly a 50% chance of precipitation, so don't leave the umbrella behind.
Hanover has seen some serious extremes over its 65 years of records — from a scorching 101° on July 22, 2011, to a bone-chilling -13° in January 1961. The snowiest single day on record dropped 24 inches during the Blizzard of '78, a benchmark that still looms large in local memory.
Summer is the sweet spot here, with highs peaking around 82-84° in mid-July, while mid-January bottoms out at a frigid 36° average high. March is the wettest stretch of the year, averaging over an inch of precipitation in a single week, so spring travel plans deserve an extra weather check.