The Delray Beach 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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46° on Nov. 11, 2025, the coldest reading for this week of the year since 1990. Next is 49° in 1991.
Delray Beach’s center stands about 30 ft above sea level. Within three miles the land runs from 0 ft to 30 ft, a difference of 30 ft: nearly flat ground. Open water lies within three miles.
Under the town center the state geologic map shows Anastasia Formation (sand, limestone), from the Pleistocene, less than 2.6 million years old.
The section below crosses 2 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 64×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Sand, limestone. Age: Pleistocene, less than 2.6 million years old. About 8 mi of the line.
Sand, limestone. Age: Late Pliocene to Pleistocene, less than 3.6 million years old. About 5 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale.
Heights from Copernicus GLO-90 (a surface model: it includes buildings and tree canopy); summits from USGS GNIS; rivers from USGS NHDPlus HR; rock from the USGS State Geologic Map Compilation.
Delray Beach has a tropical rainforest climate. Summer afternoons average 90° in July; winter nights fall to about 56° in January. About 64 inches of rain fall in a normal year.
On November 14 Delray Beach normally reaches 80° and falls to 64°. The record high is 89°, in 2015; the record low 56°, in 1991. The most rain on this date, 2.10 in, fell in 1994.
Normals 1991–2020 and records since 1990 at Loxahatchee Nwr, 9 miles west-northwest. NOAA, through RCC-ACIS.
