Bayamon Weather in October

Thinking of visiting Bayamon in October? Expect very high temperatures reaching 31°C (88°F) during the day, dropping to 24°C (75°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Bayamon in October

You can expect rain on roughly 18 days based on historical data, averaging 140 mm (5.5 in) for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.

Temperature in Bayamon in October

Daytime highs in Bayamon in October reach 31°C (88°F), with nights around 24°C (75°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. Nights stay warm at around 24°C (75°F), so light bedding and good ventilation are worth thinking about.

Sunshine in Bayamon in October

The month enjoys around 228 hours of sunshine, creating mostly sunny days with good weather conditions.

Wind Speed in Bayamon in October

Average wind conditions reach 2 m/s (4 knots) in October. This creates comfortable weather with light winds that gently move vegetation. Keep in mind this is an average. Daily conditions range from near-calm to more noticeable wind.

Average water temperature in October

The water temperature is 28°C (82°F), which most people find very comfortable. A good month for swimming and water sports.

If you're looking for dry conditions and comfortable temperatures, October may not be the ideal month to visit Bayamon. Our weather planner can help you explore destinations with more pleasant weather conditions.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
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• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Puerto Rico, check out our Bayamon's climate page.

Bayamon Temperature in October

Min Temperature 24°C (75°F)  

Max Temperature 31°C (88°F)  

Water Temperature 28°C (82°F) *  

Chance of Rain 60%  

Precipitation 140 mm (5.5 in)  

Rainy days 18 days  

Humidity 77% *  

Windspeed 2 m/s (4 knots) *  

Sunshine 228 hours *  

Percentage Sunshine 63% *  

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

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Bayamon typically stay consistent throughout October, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 25°C (77°F).

Average temperatures in October

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Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in October

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‹ January February March April May June July August September October November December ›

Historical weather for Bayamon in October

Browse day-by-day weather records for Bayamon spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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‹ January February March April May June July August September October November December ›

Bayamon historical weather extremes in October

Our historical data for Bayamon spans 1976 to 2025, revealing these weather extremes.

• The hottest October day on record in Bayamon reached 36°C (97°F) (October 14, 1980).
• On October 6, 1985, Bayamon saw its coldest October day with temperatures maxing out at 24°C (75°F).
• Nighttime temperatures dropped to 21°C (70°F) on October 31, 1976, marking the coldest October night on record.

What to Wear in Bayamon in October

Warm but pleasant conditions in Bayamon in October. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. Expect water temperatures of around 28°C (82°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Bayamon in October

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Puerto Rico, check out our Bayamon's climate page.

More climate data for Bayamon

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Bayamon climate overview or explore weather in Puerto Rico.