Hurricanes and Tornadoes That Hit Trumbull, CT

The nearest NOAA station with 1991–2020 climate normals is Bridgeport Sikorsky Mem Airport, CT, 8 miles southeast of Trumbull at 5 feet. July is the warmest, with an average high of 83°F and low of 68°F; January is the coolest, at 38°F and 24°F. April is the wettest at 4.2 inches of precipitation on average and February and November the driest at 3.1 inches; the year adds up to 44.2 inches over 78 days with at least a tenth of an inch. June to November, the hurricane season months, bring 50% of the year's precipitation (22.0 of 44.2 inches). September has brought the most of the 49 tropical systems that passed within 75 miles (22); a normal September there has highs of 75°F and 4.0 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 92 nights a year. Snowfall averages 33.6 inches a year, most of it in February. That 44.2 inches is more than at 5 of the 27 Connecticut stations used on this site (19%). Monroe, 6 miles north, has its own station (Danbury, CT): 53.0 inches a year, 8.8 more than here, and a July average high of 85°F against 83°F.

Water temperature at the NOAA tide station Bridgeport, CT, 6 miles south, averaged 76°F in August and 39°F in February over 2021–2025. No month averaged 80°F. Sea level at the Bridgeport tide gauge, 6 miles from Trumbull, has risen 1.35 ± 0.08 inches per decade from 1964 to 2025, NOAA's linear trend; at that pace it is 13.5 inches in a hundred years. That is faster than at 81 of the 144 U.S. gauges with a NOAA trend.

Since 1996, the National Weather Service has logged 241 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Trumbull: 142 thunderstorm wind reports, 64 flash floods, 21 floods, 12 lightning strikes and 2 heavy rain events. They killed 4 people and injured 39, and the NWS estimated $4.6 million in property and crop damage. The strongest thunderstorm gust on record here was 100 mph, on June 24, 2010. August has had the most flash floods, 19 of 64. Of the 186 Connecticut cities on this site with a flash flood on record, 176 have had fewer than Trumbull.

Flood insurance policyholders in Trumbull's ZIP code 06611 have filed 195 claims with the National Flood Insurance Program since 1978, and were paid $1.3 million for buildings and contents, in the dollars of each year. The most came from Not a named storm in 1982: 50 claims (26% of all) and $164,000, then Flooding in 1984 with 10. The year with the most claims was 2007, with 32. 38% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 128 Connecticut cities on this site with 10 or more claims, 99 have fewer than Trumbull.