Hurricanes and Tornadoes That Hit Morovis, PR

The nearest NOAA station with 1991–2020 climate normals is Palmarejo Vega Baja, PR RQ, 5 miles north of Morovis at 560 feet. August is the warmest, with an average high of 88°F and low of 73°F; January is the coolest, at 82°F and 66°F. September is the wettest at 7.3 inches of precipitation on average and February the driest at 3.3 inches; the year adds up to 64.5 inches over 124 days with at least a tenth of an inch. June to November, the hurricane season months, bring 55% of the year's precipitation (35.4 of 64.5 inches); the other six months are drier. September has brought the most of the 63 tropical systems that passed within 75 miles (28); a normal September there has highs of 88°F and 7.3 inches of precipitation. Highs reach 90°F on about 47 days a year, almost all from April to October. A night below freezing comes less than once a year on average. That 64.5 inches is more than at 11 of the 21 Puerto Rico stations used on this site (52%). Manati, 9 miles northwest, has its own station (Manati 2 E, PR RQ): 62.1 inches a year, 2.4 less than here, and an August average high of 87°F against 88°F.

Water temperature at the NOAA tide station San Juan, La Puntilla, San Juan Bay, PR, 22 miles northeast, averaged 86°F in September and 80°F in February over 2021–2025. Sea level at the San Juan tide gauge, 22 miles from Morovis, 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 338 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Morovis: 167 flash floods, 97 floods, 42 heavy rain events, 27 thunderstorm wind reports and 5 lightning strikes. They killed 5 people and injured 0, and the NWS estimated $1.50 billion in property and crop damage. The strongest thunderstorm gust on record here was 58 mph, on June 22, 2015. May has had the most flash floods, 42 of 167. Of the 86 Puerto Rico cities on this site with a flash flood on record, 61 have had fewer than Morovis.

Flood insurance policyholders in Morovis's ZIP code 00687 have filed 10 claims with the National Flood Insurance Program since 1979, and were paid $16,000 for buildings and contents, in the dollars of each year. 20% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 72 Puerto Rico cities on this site with 10 or more claims, 0 have fewer than Morovis.