Hurricanes and Tornadoes That Hit Moodus, CT

The nearest NOAA station with 1991–2020 climate normals is Hartford Brainard Field, CT, 19 miles northwest of Moodus at 19 feet. July is the warmest, with an average high of 85°F and low of 66°F; January is the coolest, at 37°F and 20°F. October is the wettest at 4.2 inches of precipitation on average and February the driest at 2.6 inches; the year adds up to 42.9 inches over 76 days with at least a tenth of an inch. June to November, the hurricane season months, bring 53% of the year's precipitation (22.9 of 42.9 inches); the other six months are drier. September has brought the most of the 53 tropical systems that passed within 75 miles (22); a normal September there has highs of 76°F and 4.0 inches of precipitation. Highs reach 90°F on about 17 days a year, almost all from May to September. Lows fall below freezing on about 121 nights a year. That 42.9 inches is more than at 2 of the 27 Connecticut stations used on this site (7%). East Haddam, 3 miles southeast, has its own station (Norwich Public Utility Plt, CT): 52.3 inches a year, 9.4 more than here, and a July average high of 84°F against 85°F.

Water temperature at the NOAA tide station New London, CT, 20 miles southeast, averaged 71°F in August and 39°F in February over 2021–2025. No month averaged 80°F. Sea level at the New London tide gauge, 20 miles from Moodus, has risen 1.16 ± 0.04 inches per decade from 1938 to 2025, NOAA's linear trend; at that pace it is 11.6 inches in a hundred years. That is faster than at 66 of the 144 U.S. gauges with a NOAA trend.

Since 1996, the National Weather Service has logged 77 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Moodus: 64 thunderstorm wind reports, 9 flash floods, 2 floods and 2 lightning strikes. They killed 0 people and injured 1, and the NWS estimated $301,000 in property and crop damage. The strongest thunderstorm gust on record here was 110 mph, on July 21, 2010. September has had the most flash floods, 5 of 9. Of the 186 Connecticut cities on this site with a flash flood on record, 28 have had fewer than Moodus.