Hurricanes and Tornadoes That Hit Randolph, MA

The nearest NOAA station with 1991–2020 climate normals is Blue Hill Coop, MA, 4 miles northwest of Randolph at 625 feet. July is the warmest, with an average high of 82°F and low of 64°F; January is the coolest, at 35°F and 18°F. March and October are the wettest at 5.5 inches of precipitation on average and July the driest at 3.5 inches; the year adds up to 53.9 inches over 87 days with at least a tenth of an inch. June to November, the hurricane season months, bring 48% of the year's precipitation (25.9 of 53.9 inches); the other six months are wetter. September has brought the most of the 50 tropical systems that passed within 75 miles (20); a normal September there has highs of 73°F and 4.1 inches of precipitation. Highs reach 90°F on about 9 days a year, almost all from June to August. Lows fall below freezing on about 121 nights a year. Snowfall averages 69.7 inches a year, most of it in January. That 53.9 inches is more than at 63 of the 65 Massachusetts stations used on this site (97%). Braintree, 4 miles northeast, has its own station (Hingham, MA): 52.3 inches a year, 1.6 less than here, and a July average high of 83°F against 82°F.

Sea level at the Boston tide gauge, 13 miles from Randolph, 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 321 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Randolph: 177 thunderstorm wind reports, 71 floods, 40 flash floods and 33 lightning strikes. They killed 0 people and injured 81, and the NWS estimated $38.6 million in property and crop damage. The strongest thunderstorm gust on record here was 104 mph, on May 21, 1996. July has had the most flash floods, 21 of 40. Of the 339 Massachusetts cities on this site with a flash flood on record, 290 have had fewer than Randolph.

Flood insurance policyholders in Randolph's ZIP code 02368 have filed 32 claims with the National Flood Insurance Program since 1978, and were paid $53,000 for buildings and contents, in the dollars of each year. 50% 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, 96 have fewer than Randolph.