Climate of Portland, Jamaica
Area-weighted average across Portland. For where people actually live and travel, see the cities below.
Portland, a subdivision of Jamaica, has a tropical climate on average. Area-weighted monthly temperatures across the whole territory range from 21.1°C / 70°F in January to 24.2°C / 75.6°F in August, with rainfall from 92 mm / 3.6 in to 291 mm / 11.5 in depending on the season (2143 mm / 84.4 in total across the year). See the city listed below for point-value climate at specific locations — these often differ from the area-weighted average, especially in geographically diverse subdivisions.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 21.1°C70°F | 179 mm7″ | — |
| February | 21.2°C70.2°F | 99 mm3.9″ | — |
| March | 21.8°C71.2°F | 92 mm3.6″ | — |
| April | 22.5°C72.5°F | 115 mm4.5″ | Tropical |
| May | 23.2°C73.8°F | 208 mm8.2″ | Tropical |
| June | 23.8°C74.8°F | 160 mm6.3″ | Tropical |
| July | 24.1°C75.4°F | 116 mm4.6″ | Tropical |
| August | 24.2°C75.6°F | 173 mm6.8″ | Tropical |
| September | 23.9°C75°F | 206 mm8.1″ | Tropical |
| October | 23.3°C73.9°F | 291 mm11.5″ | Tropical |
| November | 22.6°C72.7°F | 280 mm11″ | Tropical |
| December | 21.6°C70.9°F | 224 mm8.8″ | — |
Frequently asked questions
What is the best time to visit Portland?
Portland, Jamaica does not have a clear sunny-and-dry window by our cutoffs. The warmest month is August at 24.2°C / 75.6°F, and the driest is March at 92 mm / 3.6 in — likely your best travel window. For city-level detail, see the cities section below.
What is the climate of Portland?
Portland, Jamaica has area-weighted monthly average temperatures ranging from 21.1°C / 70°F in January to 24.2°C / 75.6°F in August. Annual rainfall averages about 2143 mm / 84.4 in, with the wettest month being October (291 mm / 11.5 in) and the driest March (92 mm / 3.6 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in Portland?
The hottest month in Portland is August, with an area-wide average temperature of 24.2°C / 75.6°F.
What is the coldest month in Portland?
The coldest month in Portland is January, with an area-wide average temperature of 21.1°C / 70°F.
When does it rain most in Portland?
The wettest month in Portland is October, averaging about 291 mm / 11.5 in of rainfall. The driest is March with about 92 mm / 3.6 in.