San Juan, Puerto Rico vs Hilo Climate
74%matchSan Juan vs Hilo: a 74% climate match. Compared with San Juan, Hilo has three times the the dry season rain, 7°F (4°C) cooler days and 5°F (3°C) cooler nights.
San Juan gets 66 in (1668 mm) of rain a year and Hilo 91 in (2321 mm). San Juan's warmest month is September, at 90°F (32°C); Hilo's is August, at 83°F (29°C).
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
San JuanHilosolid = high, dashed = low
Rain (in per month)
San JuanHilo
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| San Juan | Hilo | San Juan | Hilo | San Juan | Hilo | |
| Jan | 85°F(29°C) | 79°F(26°C) | 68°F(20°C) | 63°F(17°C) | 4.1 in(105 mm) | 7.3 in(185 mm) |
| Feb | 85°F(29°C) | 79°F(26°C) | 68°F(20°C) | 63°F(17°C) | 2.3 in(58 mm) | 8.1 in(207 mm) |
| Mar | 85°F(30°C) | 79°F(26°C) | 68°F(20°C) | 64°F(18°C) | 3.3 in(83 mm) | 12 in(303 mm) |
| Apr | 87°F(31°C) | 80°F(27°C) | 70°F(21°C) | 65°F(18°C) | 4.8 in(123 mm) | 8.3 in(212 mm) |
| May | 88°F(31°C) | 81°F(27°C) | 72°F(22°C) | 66°F(19°C) | 7.0 in(177 mm) | 5.9 in(149 mm) |
| Jun | 90°F(32°C) | 82°F(28°C) | 74°F(23°C) | 67°F(20°C) | 5.1 in(130 mm) | 3.5 in(89 mm) |
| Jul | 90°F(32°C) | 83°F(28°C) | 74°F(23°C) | 69°F(20°C) | 6.6 in(167 mm) | 5.5 in(140 mm) |
| Aug | 90°F(32°C) | 83°F(29°C) | 74°F(24°C) | 69°F(20°C) | 7.4 in(189 mm) | 5.4 in(136 mm) |
| Sep | 90°F(32°C) | 83°F(29°C) | 74°F(23°C) | 69°F(20°C) | 6.5 in(166 mm) | 5.3 in(135 mm) |
| Oct | 90°F(32°C) | 83°F(28°C) | 73°F(23°C) | 68°F(20°C) | 5.7 in(144 mm) | 8.2 in(208 mm) |
| Nov | 88°F(31°C) | 81°F(27°C) | 72°F(22°C) | 66°F(19°C) | 7.4 in(188 mm) | 10 in(265 mm) |
| Dec | 86°F(30°C) | 79°F(26°C) | 70°F(21°C) | 64°F(18°C) | 5.4 in(138 mm) | 11 in(292 mm) |
1991–2020 averages, by calendar month.