Hurricanes and Tornadoes That Hit Suitland, MD

The nearest NOAA station with 1991–2020 climate normals is Oxon Hill, MD, 5 miles southwest of Suitland at 190 feet. July is the warmest, with an average high of 88°F and low of 69°F; January is the coolest, at 44°F and 27°F. July is the wettest at 5.0 inches of precipitation on average and February the driest at 2.9 inches; the year adds up to 47.1 inches over 81 days with at least a tenth of an inch. June to November, the hurricane season months, bring 54% of the year's precipitation (25.4 of 47.1 inches); the other six months are drier. Highs reach 90°F on about 38 days a year, almost all from May to September. Lows fall below freezing on about 80 nights a year. That 47.1 inches is more than at 25 of the 41 Maryland stations used on this site (61%). District Heights, 2 miles northeast, has its own station (Natl Arboretum Dc, MD): 45.6 inches a year, 1.5 less than here, and a July average high of 90°F against 88°F.

Water temperature at the NOAA tide station Washington, DC, 6 miles west, averaged 84°F in July and 39°F in January over 2021–2025. It averaged 80°F or warmer from July to August. Sea level at the Washington tide gauge, 6 miles from Suitland, has risen 1.40 ± 0.05 inches per decade from 1924 to 2025, NOAA's linear trend; at that pace it is 14.0 inches in a hundred years. That is faster than at 84 of the 144 U.S. gauges with a NOAA trend.

Since 1996, the National Weather Service has logged 950 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Suitland: 629 thunderstorm wind reports, 170 flash floods, 145 floods, 5 lightning strikes and 1 heavy rain event. They killed 8 people and injured 37, and the NWS estimated $27.0 million in property and crop damage. The strongest thunderstorm gust on record here was 96 mph, on June 22, 2012. July has had the most flash floods, 49 of 170. Of the 239 Maryland cities on this site with a flash flood on record, 207 have had fewer than Suitland.

Flood insurance policyholders in Suitland's ZIP code 20746 have filed 22 claims with the National Flood Insurance Program since 1978, and were paid $79,000 for buildings and contents, in the dollars of each year. 27% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 150 Maryland cities on this site with 10 or more claims, 34 have fewer than Suitland.