Arecibo weather
Best months for weather: Dec–Mar. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Arecibo, Arecibo, Puerto Rico.
Best Time to Visit
Peak season Dec–MarOff season May, Aug–Nov
Arecibo weather by month
When is the best time to visit Arecibo?
Based on weather alone, the best time to visit Arecibo is Dec–Mar, according to NASA's 2001–2025 climate averages. May, Aug–Nov tends to be the least pleasant. Average highs run from 27°C (81°F) in January to 30°C (86°F) in August.
What is the rainiest month in Arecibo?
September is the wettest month, with about 153 mm (6.0 in) of rain on average. February is the driest, with about 37 mm (1.5 in).
What is the hottest month in Arecibo?
August is the warmest, with average highs of 30°C (86°F) and lows of 26°C (79°F). January is the coolest, with highs of 27°C (81°F) and lows of 23°C (74°F).
Does Arecibo have a rainy season?
Yes. Sep–Oct is the rainy season (150 mm or more a month), while Dec–Mar is usually dry (under 60 mm).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months