Portmore vs Saint John’s Climate
99%matchOn climate, Saint John’s is a 99% match for Portmore. Compared with Portmore, Saint John’s has the same daytime highs and more rain in the dry season.
Portmore gets 40 in (1023 mm) of rain a year and Saint John’s 48 in (1229 mm). August is the warmest month in both, with highs of 90°F (32°C) in Portmore and 89°F (32°C) in Saint John’s.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
PortmoreSaint John’ssolid = high, dashed = low
Rain (in per month)
PortmoreSaint John’s
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Portmore | Saint John’s | Portmore | Saint John’s | Portmore | Saint John’s | |
| Jan | 86°F(30°C) | 84°F(29°C) | 70°F(21°C) | 73°F(23°C) | 1.5 in(39 mm) | 3.6 in(91 mm) |
| Feb | 86°F(30°C) | 84°F(29°C) | 71°F(22°C) | 72°F(22°C) | 1.2 in(30 mm) | 1.8 in(46 mm) |
| Mar | 87°F(30°C) | 85°F(29°C) | 71°F(22°C) | 73°F(23°C) | 1.5 in(38 mm) | 1.9 in(48 mm) |
| Apr | 88°F(31°C) | 86°F(30°C) | 73°F(23°C) | 74°F(24°C) | 1.9 in(49 mm) | 2.2 in(57 mm) |
| May | 88°F(31°C) | 87°F(30°C) | 75°F(24°C) | 76°F(25°C) | 4.3 in(108 mm) | 3.8 in(97 mm) |
| Jun | 89°F(32°C) | 88°F(31°C) | 76°F(25°C) | 78°F(25°C) | 3.7 in(94 mm) | 3.5 in(88 mm) |
| Jul | 90°F(32°C) | 88°F(31°C) | 76°F(24°C) | 78°F(25°C) | 2.1 in(53 mm) | 4.2 in(107 mm) |
| Aug | 90°F(32°C) | 89°F(32°C) | 76°F(25°C) | 78°F(26°C) | 3.8 in(97 mm) | 5.9 in(150 mm) |
| Sep | 90°F(32°C) | 89°F(32°C) | 75°F(24°C) | 77°F(25°C) | 5.6 in(141 mm) | 6.5 in(166 mm) |
| Oct | 89°F(32°C) | 88°F(31°C) | 74°F(24°C) | 77°F(25°C) | 6.7 in(170 mm) | 5.6 in(141 mm) |
| Nov | 88°F(31°C) | 86°F(30°C) | 73°F(23°C) | 75°F(24°C) | 4.6 in(117 mm) | 5.0 in(126 mm) |
| Dec | 87°F(30°C) | 85°F(29°C) | 71°F(22°C) | 74°F(23°C) | 3.4 in(87 mm) | 4.4 in(112 mm) |
1991–2020 averages, by calendar month.