San Juan, Puerto Rico vs Gros Islet Climate
94%matchSan Juan vs Gros Islet: a 94% climate match. Compared with San Juan, Gros Islet has the same daytime highs and 4°F (2°C) warmer nights.
San Juan gets 66 in (1668 mm) of rain a year and Gros Islet 81 in (2062 mm). September is the warmest month in both, with highs of 90°F (32°C) in San Juan and 88°F (31°C) in Gros Islet.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
San JuanGros Isletsolid = high, dashed = low
Rain (in per month)
San JuanGros Islet
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| San Juan | Gros Islet | San Juan | Gros Islet | San Juan | Gros Islet | |
| Jan | 85°F(29°C) | 84°F(29°C) | 68°F(20°C) | 73°F(23°C) | 4.1 in(105 mm) | 5.2 in(132 mm) |
| Feb | 85°F(29°C) | 84°F(29°C) | 68°F(20°C) | 73°F(23°C) | 2.3 in(58 mm) | 3.4 in(87 mm) |
| Mar | 85°F(30°C) | 85°F(29°C) | 68°F(20°C) | 74°F(23°C) | 3.3 in(83 mm) | 3.2 in(82 mm) |
| Apr | 87°F(31°C) | 86°F(30°C) | 70°F(21°C) | 75°F(24°C) | 4.8 in(123 mm) | 3.1 in(80 mm) |
| May | 88°F(31°C) | 87°F(31°C) | 72°F(22°C) | 77°F(25°C) | 7.0 in(177 mm) | 4.3 in(109 mm) |
| Jun | 90°F(32°C) | 87°F(31°C) | 74°F(23°C) | 77°F(25°C) | 5.1 in(130 mm) | 6.2 in(158 mm) |
| Jul | 90°F(32°C) | 87°F(31°C) | 74°F(23°C) | 77°F(25°C) | 6.6 in(167 mm) | 8.5 in(215 mm) |
| Aug | 90°F(32°C) | 88°F(31°C) | 74°F(24°C) | 77°F(25°C) | 7.4 in(189 mm) | 9.7 in(246 mm) |
| Sep | 90°F(32°C) | 88°F(31°C) | 74°F(23°C) | 77°F(25°C) | 6.5 in(166 mm) | 9.5 in(241 mm) |
| Oct | 90°F(32°C) | 88°F(31°C) | 73°F(23°C) | 76°F(24°C) | 5.7 in(144 mm) | 12 in(308 mm) |
| Nov | 88°F(31°C) | 86°F(30°C) | 72°F(22°C) | 75°F(24°C) | 7.4 in(188 mm) | 11 in(269 mm) |
| Dec | 86°F(30°C) | 85°F(29°C) | 70°F(21°C) | 74°F(24°C) | 5.4 in(138 mm) | 5.3 in(135 mm) |
1991–2020 averages, by calendar month.