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.

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.

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).

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

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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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

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

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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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

Historical weather 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.

Historical weather Temperatures Precipitation

‹ 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 ›

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

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).

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

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.