Portmore Climate by Month
Portmore, Saint Catherine Parish, Jamaica
Hot all year, with rain spread through the year.
The climate in Portmore is hot all year, with rain spread through the year. Afternoon highs range from 86°F (30°C) in January to 90°F (32°C) in August, and January nights average 70°F (21°C). It gets 40 in (1023 mm) of rain a year, spread across the months.
- Warmest month
- 90°F(32°C)
- Average high, August
- Coldest nights
- 70°F(21°C)
- Average low, January
- Rain per year
- 40 in(1023 mm)
- No clear rainy season
- Humidity
- 76%
- Sunniest: April
Best and worst months in Portmore
Best for weatherJanuary to March are the best time for weather in Portmore: highs near 86°F (30°C) and about 1.4 in (36 mm) of rain a month.
Least pleasantSeptember and October are the least pleasant; October is the hottest, with highs of 89°F (32°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in February.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Portmore weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuaryBest | 86°F(30°C) | 70°F(21°C) | 1.5 in(39 mm) | 76% | 4.7 |
| FebFebruaryBest | 86°F(30°C) | 71°F(22°C) | 1.2 in(30 mm) | 75% | 5.3 |
| MarMarchBest | 87°F(30°C) | 71°F(22°C) | 1.5 in(38 mm) | 74% | 5.9 |
| AprApril | 88°F(31°C) | 73°F(23°C) | 1.9 in(49 mm) | 74% | 6.2 |
| MayMay | 88°F(31°C) | 75°F(24°C) | 4.3 in(108 mm) | 76% | 5.7 |
| JunJune | 89°F(32°C) | 76°F(25°C) | 3.7 in(94 mm) | 76% | 5.8 |
| JulJuly | 90°F(32°C) | 76°F(24°C) | 2.1 in(53 mm) | 75% | 6.1 |
| AugAugust | 90°F(32°C) | 76°F(25°C) | 3.8 in(97 mm) | 77% | 5.8 |
| SepSeptember | 90°F(32°C) | 75°F(24°C) | 5.6 in(141 mm) | 79% | 5.6 |
| OctOctober | 89°F(32°C) | 74°F(24°C) | 6.7 in(170 mm) | 79% | 5.0 |
| NovNovember | 88°F(31°C) | 73°F(23°C) | 4.6 in(117 mm) | 76% | 4.6 |
| DecDecember | 87°F(30°C) | 71°F(22°C) | 3.4 in(87 mm) | 77% | 4.3 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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