Arecibo weather
At 3:00 PM local time it was thunderstorm and 26°C (78°F). Mostly light, on-and-off rain; heavier around 3 PM, 1 AM (7.0 mm total). 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.
Current conditions
- Clouds
- 68%
- Chance of rain
- 100%
- Rain
- 2.1 mm/h
Hourly Forecast
Mostly light, on-and-off rain; heavier around 3 PM, 1 AM (7.0 mm total)
Daily Forecast
Best Time to Visit
Peak season Dec–MarOff season May, Aug–Nov
About Arecibo weather
Is it raining in Arecibo right now?
Yes. It’s thunderstorm and 26° right now. Mostly light, on-and-off rain; heavier around 3 PM, 1 AM (7.0 mm total).
What’s the weather like in Arecibo this week?
Over the next 7 days, expect highs of 29–31° and lows of 22–23°. Rain is likely on 7 of 7 days (Saturday, Sunday, Monday, Tuesday, Wednesday, Thursday, Friday). The driest day looks like Sunday.
Has it been raining in Arecibo lately?
In the past 7 days, Arecibo had 6 rainy days and 30.5 mm of rain in total.
What should I pack for Arecibo?
For the coming week, bring an umbrella or rain jacket, light, breathable clothes and sunscreen.
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).
How warm is the sea in Arecibo?
The sea is warmest in September at about 30°C (87°F) and coolest in February at about 27°C (81°F). It is warm enough for swimming all year.
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), sea temperature from Open-Meteo Marine, forecast and current conditions from Open-Meteo. Page updated . How we rate months