Hurricanes and Tornadoes That Hit North Billerica, MA

The nearest NOAA station with 1991–2020 climate normals is Lowell, MA, 6 miles northwest of North Billerica at 110 feet. July is the warmest, with an average high of 85°F and low of 61°F; January is the coolest, at 34°F and 16°F. October is the wettest at 5.0 inches of precipitation on average and February the driest at 3.2 inches; the year adds up to 48.6 inches over 89 days with at least a tenth of an inch. June to November, the hurricane season months, bring 52% of the year's precipitation (25.1 of 48.6 inches); the other six months are drier. September has brought the most of the 44 tropical systems that passed within 75 miles (17); a normal September there has highs of 76°F and 3.9 inches of precipitation. Highs reach 90°F on about 20 days a year, almost all from May to September. Lows fall below freezing on about 148 nights a year. That 48.6 inches is more than at 32 of the 65 Massachusetts stations used on this site (49%). Billerica, 3 miles southeast, has its own station (Bedford, MA): 49.0 inches a year, 0.4 more than here, and a July average high of 84°F against 85°F.

Sea level at the Boston tide gauge, 20 miles from North Billerica, 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 260 flood, rain, thunderstorm wind and lightning events that began within 10 miles of North Billerica: 181 thunderstorm wind reports, 43 floods, 19 flash floods and 17 lightning strikes. They killed 0 people and injured 5, and the NWS estimated $3.3 million in property and crop damage. The strongest thunderstorm gust on record here was 100 mph, on July 7, 2014. July has had the most flash floods, 10 of 19. Of the 339 Massachusetts cities on this site with a flash flood on record, 170 have had fewer than North Billerica.

Flood insurance policyholders in North Billerica's ZIP code 01862 have filed 52 claims with the National Flood Insurance Program since 1978, and were paid $307,000 for buildings and contents, in the dollars of each year. The most came from Not a named storm in 1979: 12 claims (23% of all) and $51,000. The year with the most claims was 2010, with 12. 52% 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, 135 have fewer than North Billerica.