Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated

Planting zone for 00741 — Punta Santiago, PR

ZIP code 00741 (Punta Santiago, Humacao County) is in USDA zone 13a: the coldest winter night averages 60 to 65 °F.

Where ZIP 00741 is

Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoom

Not the official USDA Plant Hardiness Zone Map. Zones come from the 2023 USDA hardiness-zone data by the PRISM Group, Oregon State University; we re-mapped and recolored them. The official map is at planthardiness.ars.usda.gov.

Zone13a60 to 65 °F
Coldest night15.6 to 18.3 °C
Last frostrare
First frostrare
2012 zone—

The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 13a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Punta Santiago, PR…

Forecast data: National Weather Service (api.weather.gov), public domain. This is not a warning service — for official frost and freeze warnings see weather.gov.

Frost dates

Frost is rare or absent here: Punta Santiago, PR is in zone 13a, where the coldest night of a typical winter stays above freezing. Cool-season vegetables grow best from fall through spring; summer heat, not frost, is the limit.

Soil in Punta Santiago, PR

The soil mapped at the center of ZIP 00741 is Aguadilla — loamy sand, excessively drained.

TextureLoamy sanddrains and warms fast; dries out and needs more feeding
pH5.3strongly acidic; most vegetables like 6.0–7.0
DrainageExcessively drainednatural drainage class
Organic matter2%moderate
Hydrologic groupAwater soaks in fast
Farmland classNot prime farmlandUSDA classification

Map unit: Aguadilla loamy sand.

Soil Survey Staff, Natural Resources Conservation Service, USDA. Soil Survey Geographic (SSURGO) Database, via Soil Data Access, accessed 2026-10-29. The soil at the center point of ZIP 00741; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Punta Santiago, PR

Longest day13 h 13 mindaylight on June 21
Shortest day11 h 02 mindaylight on December 21
Onions to growShort-daysummer days stay under about 14 h 20 min, so long-day varieties won’t bulb

Daylight is calculated from latitude.

Nearby ZIP codes

2 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.

0079113a
Humacao, PR · 4 mi
0074413a
Rio Blanco, PR · 4 mi
0071813a
Naguabo, PR · 5 mi
0079213a
Humacao, PR · 5 mi
0077113a
Las Piedras, PR · 8 mi
0073513b
Ceiba, PR · 8 mi
0074213b
Roosevelt Roads, PR · 10 mi
0073813a
Fajardo, PR · 10 mi

Puerto Rico planting zones →

Questions about 00741

What planting zone is ZIP code 00741?

ZIP code 00741 (Punta Santiago, PR) is in USDA hardiness zone 13a on the 2023 map: the coldest night of an average winter reaches 60 to 65 °F (15.6 to 18.3 °C).

What kind of soil does 00741 have?

The USDA soil survey maps Aguadilla at the center of ZIP 00741: loamy sand, excessively drained, pH about 5.3 (strongly acidic).

What kind of onions grow in Punta Santiago, PR?

Short-day onions: the longest day near 00741 is 13 h 13 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.