Hurricanes and Tornadoes That Hit Callao, VA

The nearest NOAA station with 1991–2020 climate normals is Warsaw 2 NW, VA, 12 miles west of Callao at 140 feet. July is the warmest, with an average high of 88°F and low of 68°F; January is the coolest, at 47°F and 29°F. August is the wettest at 5.0 inches of precipitation on average and February the driest at 2.6 inches; the year adds up to 45.3 inches over 75 days with at least a tenth of an inch. June to November, the hurricane season months, bring 57% of the year's precipitation (25.6 of 45.3 inches); the other six months are drier. September has brought the most of the 54 tropical systems that passed within 75 miles (21); a normal September there has highs of 80°F and 4.2 inches of precipitation. Highs reach 90°F on about 44 days a year, almost all from May to September. Lows fall below freezing on about 77 nights a year. Snowfall averages 11.5 inches a year, most of it in January. That 45.3 inches is more than at 45 of the 109 Virginia stations used on this site (41%). Lexington Park, MD, 18 miles north, has its own station (Patuxent River NAS, MD): 45.4 inches a year, 0.1 more than here, and a July average high of 87°F against 88°F.

Water temperature at the NOAA tide station Lewisetta, VA, 5 miles east, averaged 83°F in July and 40°F in January over 2021–2025. It averaged 80°F or warmer from July to August. Sea level at the Lewisetta tide gauge, 5 miles from Callao, has risen 2.34 ± 0.11 inches per decade from 1970 to 2025, NOAA's linear trend; at that pace it is 23.4 inches in a hundred years. That is faster than at 130 of the 144 U.S. gauges with a NOAA trend.

Since 1996, the National Weather Service has logged 151 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Callao: 110 thunderstorm wind reports, 17 heavy rain events, 14 flash floods and 10 floods. None is recorded as killing or injuring anyone; the NWS estimated $317,000 in property and crop damage. The strongest thunderstorm gust on record here was 62 mph, on April 1, 2023. June has had the most flash floods, 8 of 14. Of the 364 Virginia cities on this site with a flash flood on record, 122 have had fewer than Callao.

Flood insurance policyholders in Callao's ZIP code 22435 have filed 16 claims with the National Flood Insurance Program since 1994, and were paid $873,000 for buildings and contents, in the dollars of each year. 56% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 183 Virginia cities on this site with 10 or more claims, 31 have fewer than Callao.