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Puerto Rico Weather January
To help you choose the best time to travel, you can find climate data below on the weather in Puerto Rico in January.
| Puerto Rico Weather January: | San Juan | Mayaguez | |
 | average daily high | +28.4°C | +29.5°C |
 | average daily low | +22.2°C | +18.3°C |
 | sea temperature | +26.5°C | +26.6°C |
 | daylight hours | 11.6h | 11.6h |
 | sunny/overcast hours | 7.6/4h | |
 | average monthly precipitation | 96 mm | 38 mm |
Temperature in Puerto Rico
The average daily maximum in January is +28.4 — +29.5°C, and the minimum +22.2 — +18.3°C.
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Sea temperature
The average monthly temperature in the Atlantic Ocean on the beaches of San Juan in January is +26.5 degrees and in the Caribbean Sea on the beaches of Mayaguez +26.6 degrees.
The water is not only warm enough to bathe in, but it is also possible to stay in the water for an extended amount of time.
Precipitation
The normal amount of precipitation for January is from 38 to 96 mm, which may cause a change of plans on certain days.