GreenlyGardening in the Dominican Republic: climate, frost dates and crops by region
None of the 10 cities of the Dominican Republic on this page had frost in 2016–2025, so gardens there follow warmth and rain rather than frost dates. The warmest month averages 33.8 °C by day in Santiago de los Caballeros and 30.2 °C in Puerto Plata.
Climate zones of the Dominican Republic
By the days between the last spring frost and the first autumn frost.
| Zone | Cities | Frost-free days | Last spring frost | First autumn frost |
|---|---|---|---|---|
| No frost in ten years | Puerto Plata, Santiago de los Caballeros, San Francisco de Macorís, La Vega, Higüey, Santo Domingo, San Pedro de Macorís, La Romana, San Cristóbal (Dominican Republic), Barahona | — | — | — |
How the regions of the Dominican Republic differ
The gap between the warmest month’s days and the coldest month’s nights is widest in Santiago de los Caballeros (14 °C) and smallest in Barahona (9.4 °C): the smaller it is, the milder both winter and summer. La Vega is the wettest of these cities with 1,395 mm a year, Santiago de los Caballeros the driest with 711 mm.
Which crops suit which part of the Dominican Republic
Cities without a spring frost: months that suit each crop
Months whose average day is not above the highest temperature on the plant card and whose average night is not below its lowest.
| City | Tomato | Cucumber | Bell Pepper | Eggplant | Watermelon |
|---|---|---|---|---|---|
| Puerto Plata | December–March | all year | July and October–May | May | all year |
| Santiago de los Caballeros | none | all year | December–February | none | all year |
| San Francisco de Macorís | none | all year | November–March | none | all year |
| La Vega | none | all year | November–April | none | all year |
| Higüey | none | all year | November–April | December–February | all year |
| Santo Domingo | none | all year | October–May | November, December | all year |
| San Pedro de Macorís | none | all year | November–March | December | all year |
| La Romana | none | all year | November–April | December | all year |
| San Cristóbal (Dominican Republic) | none | all year | October–May | November, December | all year |
| Barahona | none | all year | October–May | December–April | all year |
Cities of the Dominican Republic: weather in numbers
| City | Frost-free days | Warmest month, day | Coldest month, night | Rain a year | Driest month | Places to buy |
|---|---|---|---|---|---|---|
| Puerto Plata | no frost | June, 30.2 °C | February, 19.1 °C | 1,288 mm | February | — |
| Santiago de los Caballeros | no frost | August, 33.8 °C | February, 19.8 °C | 711 mm | February | 6 |
| San Francisco de Macorís | no frost | June, 32.6 °C | January, 19.7 °C | 1,233 mm | February | 1 |
| La Vega | no frost | June, 32.2 °C | January, 19 °C | 1,395 mm | June | — |
| Higüey | no frost | August, 31.8 °C | February, 21 °C | 1,066 mm | January | — |
| Santo Domingo | no frost | August, 30.9 °C | January, 20.3 °C | 1,368 mm | January | 22 |
| San Pedro de Macorís | no frost | July, 32.2 °C | January, 20.8 °C | 1,142 mm | January | — |
| La Romana | no frost | July, 32.2 °C | January, 20.8 °C | 1,023 mm | January | — |
| San Cristóbal (Dominican Republic) | no frost | August, 30.9 °C | January, 20.3 °C | 1,367 mm | January | — |
| Barahona | no frost | August, 31.1 °C | January, 21.7 °C | 1,002 mm | January | — |
ERA5 2016–2025 via Open-Meteo, 25 km grid cell of each city; dates by the Greenly calendar and the plant cards.
