Climate of Port Antonio, Portland, Jamaica
Point-value climate at Port Antonio (Portland, Jamaica). Population approximately 14,400.
Located in Portland, Jamaica, Port Antonio has a tropical climate. Population approximately 14,400. Monthly average temperatures range from 22.9°C / 73.2°F in January to 26°C / 78.8°F in August, with rainfall varying from 86 mm / 3.4 in (March) to 301 mm / 11.9 in (November) — about 2270 mm / 89.4 in across the year. Port Antonio is the capital of Portland. These are point-value climate normals sampled at Port Antonio's coordinates — often quite different from the surrounding region's area-weighted average.
Best time to visit Port Antonio →
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 22.9°C73.2°F | 194 mm7.6″ | Tropical |
| February | 23.1°C73.6°F | 98 mm3.9″ | Tropical |
| March | 23.6°C74.5°F | 86 mm3.4″ | Tropical |
| April | 24.4°C75.9°F | 116 mm4.6″ | Tropical |
| May | 24.9°C76.8°F | 209 mm8.2″ | Tropical |
| June | 25.6°C78.1°F | 177 mm7″ | Tropical |
| July | 25.9°C78.6°F | 138 mm5.4″ | Tropical |
| August | 26°C78.8°F | 189 mm7.4″ | Tropical |
| September | 25.7°C78.3°F | 214 mm8.4″ | Tropical |
| October | 25.1°C77.2°F | 300 mm11.8″ | Tropical |
| November | 24.3°C75.7°F | 301 mm11.9″ | Tropical |
| December | 23.4°C74.1°F | 248 mm9.8″ | Tropical |
Frequently asked questions
What is the best time to visit Port Antonio?
Port Antonio does not have a clearly "sunny" season by our profile cutoffs — see the "warmest and driest months" fallback for the closest picks. Port Antonio's warmest month is August at an average of 26°C / 78.8°F, and its driest month is March with about 86 mm / 3.4 in of rain.
What is the climate of Port Antonio?
Port Antonio, in Portland, Jamaica, has monthly average temperatures ranging from 22.9°C / 73.2°F in January to 26°C / 78.8°F in August. Annual rainfall is approximately 2270 mm / 89.4 in, with the wettest month being November (301 mm / 11.9 in) and the driest March (86 mm / 3.4 in).
What is the average temperature in Port Antonio in August?
The average temperature in Port Antonio in August is 26°C / 78.8°F, with rainfall of about 189 mm / 7.4 in — the warmest month of the year.
When is the driest month in Port Antonio?
The driest month in Port Antonio is March, with about 86 mm / 3.4 in of average monthly rainfall. Average temperature that month is 23.6°C / 74.5°F.
When is the wettest month in Port Antonio?
The wettest month in Port Antonio is November, with approximately 301 mm / 11.9 in of average monthly rainfall.