Daylight through the yearLongest day (Jun 21): 13 h 14 min5:49 am – 7:03 pmShortest day (Dec 21): 11 h 2 min6:51 am – 5:53 pm
Sun todaySunrise –Sunset –
Natural hazardsOverall risk Insufficient DataSan Juan Municipio, PR, compared with all US countiesSource: FEMA National Risk Index (county level)
Drinking waterMetropolitanoserves 1,084,637 people from surface water40 health-based violations since 2021latest Feb 2026: surface water treatment, treatment technique13 monitoring or reporting violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
