Bayamon Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Bayamon.
Climate overview of Bayamon
Bayamon, 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 1131 mm (45 in) of rainfall per year. September is the wettest month. The most sunshine falls in March, with an average of 9.5 hours of daily sunshine.
Bayamon Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Bayamon - and find the best time to visit.
Monthly Temperature in Bayamon
The temperature in Bayamon 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 Bayamon
Bayamon has a relatively rainy climate with high precipitation levels, averaging 1131 mm (45 in) of rainfall annually. The seasons in Bayamon bring significant changes in precipitation. The wettest month, September, receives high rainfall, with an average of 155 mm (6.1 in) of precipitation. This rainfall is distributed across 18 rainy days.
In contrast, the driest month, February, experiences much less rainfall, totaling 45 mm (1.8 in) over 15 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Bayamon Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Bayamon
Bayamon enjoys sunny spells year-round. March sees up to 9.5 hours of daily sunshine, perfect for a sunny trip. November, the least sunny month, still offers a generous 6.8 hours of sun despite this cloudier time of the year.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Water Temperature in Bayamon
The mean water temperature over the year ranges from 26°C (79°F) in January to 29°C (84°F) in August.
Water temperature over the year
Humidity in Bayamon by Month
The relative humidity is high throughout the year in Bayamon.
The city experiences its highest humidity in October, reaching 77%. In March, the humidity drops to its lowest level at 71%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Bayamon
The mean wind speed varies between 2 m/s (4 knots) and 4 m/s (8 knots) throughout the year. It is lowest in October and highest during July. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Bayamon
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
- Most sunshine: March and July
- Fewer rainy days: February, March, April, May and June
- Best for swimming: Any time of year. The sea stays pleasantly warm year-round.
Frequently asked questions about the climate in Bayamon
What is the best time to visit Bayamon?
January, February, March and December typically offer the most optimal weather in Bayamon. In contrast, May, August, September, October and November tend to have less optimal conditions.
What temperatures can I expect in Bayamon?
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 Bayamon get?
Annual rainfall is around 1131 mm (45 in). September is the wettest month with 155 mm (6.1 in), while February is the driest with 45 mm (1.8 in).
How sunny is Bayamon?
Bayamon receives around 2,966 hours of sunshine per year. March is the sunniest month with 284 hours, while November is the cloudiest with just 203 hours. Overall, Bayamon enjoys abundant sunshine.
Bayamon 3-Day Forecast
Bayamon 3-Day Forecast
Bayamon on the map
Bayamon is highlighted - select any city to see its climate.
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