Hurricanes and Tornadoes That Hit Brockton, MA

The nearest NOAA station with 1991–2020 climate normals is Brockton, MA, 3 miles south of Brockton at 75 feet. July is the warmest, with an average high of 84°F and low of 63°F; January is the coolest, at 39°F and 21°F. March is the wettest at 5.2 inches of precipitation on average and July the driest at 3.2 inches; the year adds up to 50.2 inches over 83 days with at least a tenth of an inch. June to November, the hurricane season months, bring 49% of the year's precipitation (24.4 of 50.2 inches); the other six months are wetter. September has brought the most of the 52 tropical systems that passed within 75 miles (20); a normal September there has highs of 75°F and 4.1 inches of precipitation. Highs reach 90°F on about 15 days a year, almost all from June to August. Lows fall below freezing on about 129 nights a year. Snowfall averages 34.3 inches a year, most of it in February. That 50.2 inches is more than at 49 of the 65 Massachusetts stations used on this site (75%). Holbrook, 5 miles north, has its own station (Blue Hill Coop, MA): 53.9 inches a year, 3.7 more than here, and a July average high of 82°F against 84°F.

Sea level at the Boston tide gauge, 19 miles from Brockton, has risen 1.17 ± 0.03 inches per decade from 1921 to 2025, NOAA's linear trend; at that pace it is 11.7 inches in a hundred years. That is faster than at 68 of the 144 U.S. gauges with a NOAA trend.

Since 1996, the National Weather Service has logged 180 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Brockton: 115 thunderstorm wind reports, 32 floods, 19 lightning strikes and 14 flash floods. They killed 0 people and injured 63, and the NWS estimated $14.0 million in property and crop damage. The strongest thunderstorm gust on record here was 104 mph, on May 21, 1996. Of the 339 Massachusetts cities on this site with a flash flood on record, 121 have had fewer than Brockton.

Flood insurance policyholders in Brockton's 2 ZIP codes have filed 339 claims with the National Flood Insurance Program since 1978, and were paid $2.0 million for buildings and contents, in the dollars of each year. The most came from March 2010 Nor'easter in 2010: 79 claims (23% of all) and $443,000, then Flooding in 1996 with 34 and December Storm - Nor'easter in 1992 with 17. The year with the most claims was 2005, with 94. 44% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 229 Massachusetts cities on this site with 10 or more claims, 210 have fewer than Brockton.