Weather In Puerto Rico In January 2025 Accuweather. Historical data shows that you can expect an average temperature of around 78°f / 26°c. Full weather forecast for puerto rico in january 2025.

Get the monthly weather forecast for arecibo, arecibo, puerto rico, including daily high/low, historical averages, to help you plan ahead. The lowest daily average low temperature is 72°f on january 26.