Historical weather data, all-time temperature records, and monthly climate averages for Amherst, MA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Amherst sits right on the edge of winter's retreat — the average high is just 53° with lows still dipping to 31°. There's nearly a coin-flip chance of rain today (45%), though snow is mostly out of the picture at just 4%. The date has swung wildly over 132 years of records, from a balmy 76° in 2010 to a brutal 16° back in 1954.
Amherst plays for keeps on both ends of the thermometer — 134 years of records show a swing of 134 degrees, from -30° in January 1961 to a scorching 104° on July 4th, 1911. On the wet side, a single October day in 2005 dropped 7.56 inches of rain, and an 1897 snowstorm buried the area under 18 inches in one shot.
If you're chasing warmth, mid-July is your window — the week of July 16–22 averages a high of 84°, while January bottoms out around 33°. Summer is also the wettest stretch, with late July averaging over an inch of rain per week. Spring and fall offer mild transitions, with April climbing to 58° and October holding at a comfortable 63°.