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Puerto Rico frost dates by weather station
Puerto Rico has 27 NOAA weather stations with 1991–2020 freeze statistics. None of them has a computable spring frost date at 32°F.
- 27Stations
| Station | Last spring frost | First fall frost | Growing season | Elevation |
|---|---|---|---|---|
| Adjuntas Substn | none | none | year-round | 1,830 ft |
| Aguirre | none | none | year-round | 25 ft |
| Aibonito 1 S | none | none | year-round | 2,330 ft |
| Arecibo Obsy | none | none | year-round | 1,060 ft |
| Borinquen Airport | none | none | year-round | 218 ft |
| Coloso | none | none | year-round | 40 ft |
| Dorado 2 WNW | none | none | year-round | 5 ft |
| Dos Bocas | none | none | year-round | 200 ft |
| Guayama 2e | none | none | year-round | 72 ft |
| Gurabo Substn | none | none | year-round | 160 ft |
| Isabela Substn | none | none | year-round | 420 ft |
| Juncos 1 SE | none | none | year-round | 213 ft |
| Lajas Substn | none | none | year-round | 90 ft |
| Magueyes Island | none | none | year-round | 12 ft |
| Manati 2 E | none | none | year-round | 250 ft |
| Maricao 2 SSW | none | none | year-round | 2,832 ft |
| Mayaguez City | none | none | year-round | 74 ft |
| Mona Island 2 | none | none | year-round | 7 ft |
| Palmarejo Vega Baja | none | none | year-round | 560 ft |
| Pico Del Este | none | none | year-round | 3,448 ft |
| Ponce 4 E | none | none | year-round | 70 ft |
| Rio Piedras Exp. Station | none | none | year-round | 92 ft |
| Roosevelt Roads | none | none | year-round | 33 ft |
| San Juan L M Marin Airport | none | none | year-round | 9 ft |
| Toa Baja Levittown | none | none | year-round | 28 ft |
| Trujillo Alto 2 SSW | none | none | year-round | 115 ft |
| WFO San Juan | none | none | year-round | 10 ft |
Sources
- NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, annual/seasonal normals by station (version 1.0.1), file dated June 27, 2023; documentation.
Freeze dates are 30-year probabilities, not forecasts. Check your local forecast before planting tender plants.