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Bayamon Weather and Climate: A Comprehensive Guide

Bayamon has a steady warm climate throughout the year. It also has a relatively rainy climate with high levels of precipitation. Let's now guide you through the climate details for a complete overview.

Average maximum day and minimum night temperature

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 in August to a comfortable 28°C in February.

Nighttime temperatures can drop, with average lows reaching 22°C in February. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Bayamon has a relatively rainy climate with high precipitation levels, averaging 1131 mm 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 of precipitation. This rainfall is distributed across 18 rainy days.

In contrast, the driest month, February, experiences much less rainfall, totaling 45 mm 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

Sunshine over the year

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

Data from: San Juan, Puerto Rico (16 KM, 10 Miles).

Daily hours of sunshine

Data from: San Juan, Puerto Rico (16 KM, 10 Miles).

Average water temperature

The mean water temperature over the year ranges from 26°C in January to 29°C in August.

Water temperature over the year

Data from: San Juan, Puerto Rico (16 KM, 10 Miles).

Forecast for Bayamon

Tue   Jan 14
29°C | 22°C
NE 5 m/s
partly cloudy and no rain

partly cloudy and no rain

Wed   Jan 15
29°C | 21°C
NE 5 m/s
1.1 mm
partly cloudy and small chance of slight rain

partly cloudy and small chance of slight rain

Thu   Jan 16
29°C | 22°C
NE 5 m/s
5.7 mm
partly cloudy and rain

partly cloudy and rain

Select a Month of Interest

Check the conditions for any month of the year.

The best time of year to visit Bayamon in Puerto Rico

Other facts from our historical weather data:
  • Which is the hottest month in Bayamon?
    August has an average maximum temperature of 31°C and is the hottest month of the year.
  • Which is the coolest month in Bayamon?
    The coolest month is February with an average maximum temperature of 28°C.
  • Which is the wettest month in Bayamon?
    September tops the wettest month list with 155 mm of rainfall.
  • Which is the driest month in Bayamon?
    February is the driest month with 45 mm of precipitation.
  • Which is the sunniest month in Bayamon?
    March is the sunniest month with an average of 284 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.