The Maricao plate. Relief from Copernicus GLO-30; rivers and lakes from USGS NHD; watersheds from the USGS Watershed Boundary Dataset; roads and city limits from Census TIGER 2024.
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89° on Nov. 11, 2011, the hottest reading for this week of the year since 1970. Next is 87° in 1979.
Maricao’s center stands about 1,480 ft above sea level. Within three miles the land runs from 910 ft to 2,760 ft, a difference of 1,850 ft: steep hill country. The highest named summit within 15 miles is Monte Guilarte, about 3,910 ft, 14 miles east-southeast.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 6×.
Heights from Copernicus GLO-90 (a surface model: it includes buildings and tree canopy); summits from USGS GNIS; rivers from USGS NHDPlus HR.
Maricao has a tropical rainforest climate. Summer afternoons average 85° in June; winter nights fall to about 56° in February. About 80 inches of rain fall in a normal year.
On November 14 Maricao normally reaches 82° and falls to 61°. The record high is 86°, in 2023; the record low 53°, in 1991. The most rain on this date, 3.05 in, fell in 2003.
Normals 1991–2020 and records since 1970 at Adjuntas Substation, 12 miles east, 350 ft higher. NOAA, through RCC-ACIS.
