Arecibo Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Arecibo.
Climate overview of Arecibo
Arecibo, North Puerto Rico, Puerto Rico, enjoys a steady climate throughout the year, with daytime temperatures typically around 30°C (86°F). August is the warmest month at 31°C (88°F), while January is the coolest at 28°C (82°F).
The city has a wet climate, receiving around 1260 mm (50 in) of rainfall per year. May is the wettest month.
Arecibo Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Arecibo - and find the best time to visit.
Monthly Temperature in Arecibo
The temperature in Arecibo remains steady throughout the year, providing a consistently very warm climate. On average, daytime temperatures range from a very warm 31°C (88°F) in August to a comfortable 28°C (82°F) in January.
Nighttime temperatures range from 25°C (77°F) in August to 22°C (72°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Arecibo
Arecibo has a relatively rainy climate with high precipitation levels, averaging 1260 mm (50 in) of rainfall annually. The seasons in Arecibo bring significant changes in precipitation. The wettest month, May, receives heavy rainfall, with an average of 172 mm (6.8 in) of precipitation. This rainfall is distributed across 15 rainy days.
In contrast, the driest month, February, experiences much less rainfall, totaling 49 mm (1.9 in) over 14 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Arecibo Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Arecibo
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: January, February, March and December
- Warmest weather: May, June, July, August, September and October
- Fewer rainy days: February, March, April, May and June
Frequently asked questions about the climate in Arecibo
What is the best time to visit Arecibo?
January, February, March and December typically offer the most optimal weather in Arecibo. In contrast, May, June, August, September and October tend to have less optimal conditions.
What temperatures can I expect in Arecibo?
Daytime highs range from 28°C (82°F) in January to 31°C (88°F) in August. Nighttime lows range from 22°C (72°F) to 25°C (77°F). Temperatures stay relatively stable year-round.
How much rain does Arecibo get?
Annual rainfall is around 1260 mm (50 in). May is the wettest month with 172 mm (6.8 in), while February is the driest with 49 mm (1.9 in).
Arecibo 3-Day Forecast
Arecibo on the map
Arecibo is highlighted - select any city to see its climate.
Popular this month
Where to go in August - average daytime high across popular destinations.
San Juan
31°C (88°F) Rio Grande
31°C (88°F) Aguada
30°C (86°F) Rincon30°C (86°F) Luquillo30°C (86°F) Culebra30°C (86°F) Vieques30°C (86°F) Fajardo
30°C (86°F) 
