San Juan
San Juan is in Puerto Rico, on the Atlantic Ocean / Caribbean, at 18.4663 latitude, -66.1057 longitude. The nearest airport with scheduled airline service in the OurAirports snapshot is Fernando Luis Ribas Dominicci Airport (SIG), about 1.3 km away. Natural Earth's 10m ports layer names San Juan about 3.7 km from these coordinates. Mean monthly air temperature in 2024 ranged from 24.7 °C to 28.1 °C (Open-Meteo archive). This page does not invent trip prices, licence rules or species lists; use the marketplace links to compare live listings, and check local regulations before you go.
| Country | Puerto Rico |
|---|---|
| Coordinates | 18.4663, -66.1057 |
| Water body | Atlantic Ocean / Caribbean |
| Timezone | America/Puerto_Rico |
| Town population (GeoNames) | 418,140 |
| Nearest airport with scheduled flights | Fernando Luis Ribas Dominicci Airport (SIG), about 1.3 km away |
| Nearest named port in Natural Earth | San Juan, about 3.7 km away — www.prpa.gobierno.pr |
| Place data source | GeoNames cities5000, geonameId 4568127 (San Juan, PR) |
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Monthly weather in 2024
Daily means from the Open-Meteo Historical Weather API, added up by calendar month for 2024. This is air temperature at the coordinates, not water temperature, and one year is not a climate normal.
| Month | Mean air temp | Total precipitation |
|---|---|---|
| Jan | 25.6 °C | 42 mm |
| Feb | 24.7 °C | 147 mm |
| Mar | 25.4 °C | 59 mm |
| Apr | 25.7 °C | 154 mm |
| May | 26.9 °C | 158 mm |
| Jun | 27.9 °C | 126 mm |
| Jul | 27.9 °C | 89 mm |
| Aug | 28.1 °C | 146 mm |
| Sep | 27.9 °C | 107 mm |
| Oct | 28.1 °C | 148 mm |
| Nov | 26.4 °C | 257 mm |
| Dec | 25.9 °C | 151 mm |
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Snapshot date: 2026-11-12. See methodology and sources.