Daylight through the yearLongest day (Jun 21): 13 h 13 min5:48 am – 7:01 pmShortest day (Dec 21): 11 h 2 min6:49 am – 5:52 pm
Sun todaySunrise –Sunset –
ClimateWarmest month September: highs 72°F, lows 64°FColdest month February: highs 66°F, lows 59°F109 in of rain a year, on about 188 dayswettest month SeptemberSnow is rare0 days above 90°F, 0 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Pico Del Este, Pr Rq station, 5 mi away; rain from Rio Blanco Lower, Pr Rq
Earthquakes1,289 of magnitude 3 or more within 50 miles since 197040 of magnitude 4+, 2 of magnitude 5+Largest: magnitude 5.1 on 24 Dec 201026 mi away, near Aguas Buenas, Puerto RicoMost recent: magnitude 3.1 on 19 Sep 202620 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Insufficient DataNaguabo Municipio, PR, compared with all US countiesSource: FEMA National Risk Index (county level)
Air quality61% of days had good air in 2025209 of 345 days measured136 moderate daysMedian index 45, worst day 99main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, nearest monitors: Catano County, PR, 30 mi away
Drinking waterRio Blanco,vieques,culedraserves 79,822 people from surface waterNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system in the county
Elevation18 ft5 m above sea levelSource: USGS 3D Elevation Program
SchoolsWithin 2 mi3 schools1 elementary, 1 middle, 1 highHighEscuela Juan Jose Maunezunder a mileElementaryEscuela Eugenio Bracunder a mileMiddleEscuela Fidelina Melendez Monsantounder a mileCollegeHumacao Community College6.8 miSource: USGS National Structures Dataset
Distances in these cards are measured from the centre of the 00744 ZIP area.