Hurricanes and Tornadoes That Hit Garrochales, PR

The nearest NOAA station with 1991–2020 climate normals is Dos Bocas, PR RQ, 9 miles southwest of Garrochales at 200 feet. August is the warmest, with an average high of 91°F and low of 71°F; February is the coolest, at 86°F and 64°F. May is the wettest at 10.2 inches of precipitation on average and February the driest at 3.5 inches; the year adds up to 78.2 inches over 117 days with at least a tenth of an inch. June to November, the hurricane season months, bring 57% of the year's precipitation (44.8 of 78.2 inches); the other six months are drier. September has brought the most of the 61 tropical systems that passed within 75 miles (27); a normal September there has highs of 91°F and 9.7 inches of precipitation. Highs reach 90°F on about 104 days a year, almost all from February to December. A night below freezing comes less than once a year on average. That 78.2 inches is more than at 18 of the 21 Puerto Rico stations used on this site (86%). Barceloneta, 4 miles east, has its own station (Manati 2 E, PR RQ): 62.1 inches a year, 16.1 less than here, and an August average high of 87°F against 91°F.

Sea level at the San Juan tide gauge, 33 miles from Garrochales, has risen 0.85 ± 0.06 inches per decade from 1962 to 2025, NOAA's linear trend; at that pace it is 8.5 inches in a hundred years. That is faster than at 45 of the 144 U.S. gauges with a NOAA trend.

Since 1996, the National Weather Service has logged 143 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Garrochales: 58 floods, 52 flash floods, 23 heavy rain events, 8 thunderstorm wind reports and 2 lightning strikes. They killed 8 people and injured 0, and the NWS estimated $752.3 million in property and crop damage. The strongest thunderstorm gust on record here was 45 mph, on July 6, 2010. September has had the most flash floods, 15 of 52. Of the 86 Puerto Rico cities on this site with a flash flood on record, 17 have had fewer than Garrochales.