San Juan, Puerto Rico vs Saint John’s Climate
95%matchSan Juan and Saint John’s are a 95% climate match. Compared with San Juan, Saint John’s has the same daytime highs, 4°F (2°C) warmer nights and less rain in the wet season.
San Juan gets 66 in (1668 mm) of rain a year and Saint John’s 48 in (1229 mm). San Juan's warmest month is September, at 90°F (32°C); Saint John’s's is August, at 89°F (32°C).
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
San JuanSaint John’ssolid = high, dashed = low
Rain (in per month)
San JuanSaint John’s
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| San Juan | Saint John’s | San Juan | Saint John’s | San Juan | Saint John’s | |
| Jan | 85°F(29°C) | 84°F(29°C) | 68°F(20°C) | 73°F(23°C) | 4.1 in(105 mm) | 3.6 in(91 mm) |
| Feb | 85°F(29°C) | 84°F(29°C) | 68°F(20°C) | 72°F(22°C) | 2.3 in(58 mm) | 1.8 in(46 mm) |
| Mar | 85°F(30°C) | 85°F(29°C) | 68°F(20°C) | 73°F(23°C) | 3.3 in(83 mm) | 1.9 in(48 mm) |
| Apr | 87°F(31°C) | 86°F(30°C) | 70°F(21°C) | 74°F(24°C) | 4.8 in(123 mm) | 2.2 in(57 mm) |
| May | 88°F(31°C) | 87°F(30°C) | 72°F(22°C) | 76°F(25°C) | 7.0 in(177 mm) | 3.8 in(97 mm) |
| Jun | 90°F(32°C) | 88°F(31°C) | 74°F(23°C) | 78°F(25°C) | 5.1 in(130 mm) | 3.5 in(88 mm) |
| Jul | 90°F(32°C) | 88°F(31°C) | 74°F(23°C) | 78°F(25°C) | 6.6 in(167 mm) | 4.2 in(107 mm) |
| Aug | 90°F(32°C) | 89°F(32°C) | 74°F(24°C) | 78°F(26°C) | 7.4 in(189 mm) | 5.9 in(150 mm) |
| Sep | 90°F(32°C) | 89°F(32°C) | 74°F(23°C) | 77°F(25°C) | 6.5 in(166 mm) | 6.5 in(166 mm) |
| Oct | 90°F(32°C) | 88°F(31°C) | 73°F(23°C) | 77°F(25°C) | 5.7 in(144 mm) | 5.6 in(141 mm) |
| Nov | 88°F(31°C) | 86°F(30°C) | 72°F(22°C) | 75°F(24°C) | 7.4 in(188 mm) | 5.0 in(126 mm) |
| Dec | 86°F(30°C) | 85°F(29°C) | 70°F(21°C) | 74°F(23°C) | 5.4 in(138 mm) | 4.4 in(112 mm) |
1991–2020 averages, by calendar month.