Bayamon
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Bayamon Weather in January

During January, Bayamon experiences high daytime temperatures of 28°C (82°F) and cooler nights around 22°C (72°F). Some rainfall is typical during this period.

Rainfall in Bayamon in January

On average, there are about 20 days with rain during this month, averaging 52 mm (2 in). With rain spread across many days but low totals, showers are typically short and light rather than heavy.

Temperature in Bayamon in January

Bayamon in January is worth a visit. The temperature is excellent, with 28°C (82°F) during the day and 22°C (72°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With lows of 22°C (72°F), the nights are warm and generally comfortable. This month stands out for its mildest temperatures but still delivers warm days.

Sunshine in Bayamon in January

The city usually sees around 238 hours of sunlight, indicating many sunny days , a great month for sightseeing.

Wind Speed in Bayamon in January

January has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.

Average water temperature in January

At 26°C (79°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.

If your ideal day consists of dry skies and pleasant temperatures, January, February, March and December typically offer the best circumstances for Bayamon.

Bayamon Temperature in January

Min Temperature
22°C (72°F)
Max Temperature
28°C (82°F)
Water Temperature
26°C (79°F) *
Chance of Rain
66%
Precipitation
52 mm (2 in)
Rainy days
20 days
Humidity
74% *
Windspeed
3 m/s (6 knots) *
Sunshine
238 hours *
Percentage Sunshine
70% *
* Data from: San Juan, Puerto Rico (16 KM, 10 Miles).

Bayamon Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Bayamon - and find the best time to visit.

Daily Historical Temperatures

51-year average (1976-2026)

Based on our historical records, temperatures in Bayamon typically stay consistent throughout January, with daily highs averaging around 28°C (82°F). Nights are warm, with lows around 22°C (72°F).

Average temperatures in January

Daily Historical Precipitation

51-year average (1976-2026)

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

Average precipitation in January

Historical weather records for Bayamon in January

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.

Bayamon historical weather extremes in January

Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Bayamon.

  • Bayamon recorded its highest January temperature of 32°C (90°F) on January 20, 2024.
  • The coldest January day was on January 28, 2006, with a maximum of 23°C (73°F).
  • The lowest overnight temperature recorded in January was 15°C (59°F) (January 2, 2016).

Best Places in Puerto Rico in January

Find out more about the weather in Puerto Rico and which places have the best travel conditions in this month. See all of Puerto Rico in January →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Bayamon in January

Warm but pleasant conditions in Bayamon in January. 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. Wet weather is likely, so pack waterproof gear for multiple rainy days. The water temperature sits at about 26°C (79°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. 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 January

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

  • Swimming
    10/10
  • Cycling
    8/10
  • Walking
    8/10
  • Barbeque
    10/10
  • Camping
    8/10
  • Outdoor sports
    8/10

Bayamon 3-Day Forecast

Popular in January

Where to go in January - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.