Severe Weather History


State archive · every county

Puerto Rico Severe Weather History

4,573

Recorded events

78

Counties covered

94

Direct deaths

$19.3B

Property damage

Puerto Rico severe weather history covers 4,573 recorded events across 78 counties between 1974 and 2025.

Puerto Rico severe weather history: recorded events by hazard type
Puerto Rico severe weather history: recorded events by hazard type

The Puerto Rico severe weather history record is dominated by flash flood, which accounts for 38.4% of everything logged statewide across 75 counties. Statewide, recorded events have caused 94 direct deaths since 1950.

By hazard type

Puerto Rico severe weather history by hazard

HazardEventsCountiesDeathsDamageSpan
Flash Flood1,7567558$19.2B1996–2025
Flood1,287735$8.8M1996–2025
Heavy Rain6276810$735K1996–2024
Thunderstorm Wind316641$4.2M1993–2025
Debris Flow300611$3.9M1996–2025
Hail69290$540K1996–2025
Waterspout60120$01996–2000
Lightning55358$471K1996–2025
Funnel Cloud54300$01996–2025
Tornado21150$588K1974–2024
Coastal Flood1242$30K1996–1998
High Surf863$7K1997–2002
Rip Current446$01998–2000
Wildfire220$4.6M2000–2003
Dust Storm110$01996–1996
Seiche110$01998–1998
Source: NOAA/NCEI Storm Events · dates UTC

County index

Most active counties

CountyEventsDeaths
San Juan Municipio5051
Adjuntas Municipio3010
Aguadilla Municipio2686
Naguabo Municipio1541
Ponce Municipio1411
Guaynabo Municipio1410
Aguada Municipio1336
Caguas Municipio1330
Carolina Municipio1321
Aibonito Municipio1291
Mayagüez Municipio1242
Humacao Municipio11811
Bayamón Municipio1170
Fajardo Municipio1050
Vega Alta Municipio1001
Arecibo Municipio9713
San Sebastián Municipio923
Aguas Buenas Municipio874
Utuado Municipio854
Añasco Municipio796
Vega Baja Municipio550
Río Grande Municipio530
Toa Baja Municipio5211
Canóvanas Municipio510
Cabo Rojo Municipio510
Source: NOAA/NCEI Storm Events · ranked by recorded event count

Full index

Every county in Puerto Rico

Quick answers

Frequently asked

How many severe weather events are recorded in Puerto Rico?

4,573 events are on record across Puerto Rico, covering 78 counties between 1974 and 2025.

Which county in Puerto Rico has the most severe weather on record?

San Juan Municipio leads Puerto Rico with 505 recorded events. Ranking reflects reported events, so densely populated counties tend to report more than sparsely populated ones.

Where does the Puerto Rico severe weather history data come from?

Totals are aggregated from the NOAA/NCEI Storm Events Database, the federal public-domain archive of United States severe weather reports, with FEMA and U.S. Census records providing risk and population context. Dates are UTC and recent entries may still be revised.

Cite this page

“Puerto Rico Severe Weather History.” Severe Weather History. severeweatherhistory.com/state/puerto-rico/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.


Historical reference only — for official alerts visit weather.gov