Last updated: August 31, 2025
In January, Bayamón, Puerto Rico, delights residents and visitors with a comfortable tropical climate. Average temperatures hover around 25°C (77°F), with maximum highs reaching 30°C (86°F) and lows dipping to a mild 20°C (69°F). Despite the warmth, this month experiences a moderate amount of precipitation, totaling 39 mm (1.5 in) over approximately 12 days, contributing to a relatively high humidity level of 76%. This blend of warm temperatures and occasional rain provides a refreshing atmosphere, perfect for enjoying the outdoor beauty of this charming city.
In January, Bayamon, Puerto Rico, showcases a delightful tropical climate, with temperatures ranging from a cozy 20°C (69°F) at night to a warm 30°C (86°F) during the day. The **average temperature remains consistently mild at 25°C (77°F), providing a perfect invitation for outdoor adventures or relaxing on the beach. As the month progresses into February and March, a subtle warm trend emerges, with nighttime lows gently increasing to 21°C (70°F) while daytime highs remain stable around 30°C (85-87°F). Notably, the average temperature persistently hovers around 25°C (77°F), hinting at a delightful and inviting environment. This pattern of warm days and cooler nights continues through the following months, with temperatures gradually rising as spring approaches, peaking in the summer season. Overall, January serves as an ideal month to enjoy the beautiful and inviting warmth of Bayamon, setting the tone for a stunning year ahead.
In January, Bayamon, Puerto Rico experiences an average precipitation of 39 mm (1.5 in) spread over 12 days, marking the month as a relatively drier period compared to the heavier rains that follow. As the year progresses, rainfall gradually increases, peaking sharply in September with a staggering 172 mm (6.8 in) over 23 days, indicating the onset of the wetter season. Notably, March and August also showcase significant rainfall, with totals of 72 mm (2.8 in) and 86 mm (3.4 in) respectively. This trend highlights a distinct pattern of increasing precipitation in the spring and summer months, which may be attributed to tropical weather systems, while the cooler months like January and February offer a brief reprieve from the abundant moisture later in the year.
In Bayamón, Puerto Rico, January experiences a humidity level of 76%, setting the tone for the month ahead. As winter transitions into spring, the humidity slowly declines, reaching its lowest at 74% in March. However, as the summer months approach, a noticeable shift occurs; humidity levels rise dramatically to 80% in both July and August, indicating a more tropical atmosphere. Interestingly, this peak in moisture is followed by a gradual decrease in the fall, with humidity settling at 78% in October and November and returning to 76% by December. This ebb and flow of humidity throughout the year reflects the rich climatic tapestry of Bayamón, characterized by its warm temperatures and lush environment.
In January, Bayamon, Puerto Rico experiences a UV Index of 9, categorizing exposure as very high with a burn time of just 15 minutes. As the months progress, the UV index sees a marked increase, hitting an extreme level of 11 in February and peaking at 14 in May. This trend towards higher UV levels underscores a critical concern for sun safety, particularly during the spring and summer when the index consistently remains at 13 or more, allowing for a minimal burn time of just 10 minutes. Come November and December, the UV levels decrease slightly to a very high index of 9 and 8, respectively, with burn times increasing again to 15 minutes. Such trends highlight the importance of sun protection year-round. For more detailed information, visit Bayamon UV Index.
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In Bayamon, Puerto Rico, January ushers in a promising bloom of sunlight with 257 hours illuminating the landscape. As the months progress, the days gradually brighten, culminating in the warm embrace of May, where the region basks in a remarkable 356 hours of sunshine. This upward trend highlights the onset of summer, which maintains its generous glow through July and August, delivering moderate sunshine hours of 354 and 350 respectively. As the year winds down, there’s a slight dip, yet November and December still offer a respectable 296 and 319 hours. The general pattern indicates that Bayamon experiences a vibrant sun-soaked beginning to the year, followed by a glorious peak in the spring and summer, making this tropical haven a bright escape through every season.
In Bayamón, Puerto Rico, January brings a moderate chance of sunny weather, with 51% of the days likely to be bright and clear. While this marks the beginning of the year with a decent amount of sunshine, it's followed by a noticeable jump in February, where the sun shines 71% of the time. Interestingly, the trend continues into March and November, both boasting around 64% sunny likelihood. However, as the year progresses into the summer months, the chances of sunny skies dip significantly, particularly in June, which sees the lowest probability at just 25%. Overall, while January offers a fair balance of sun and shade, the consistent fluctuations throughout the year keep weather enthusiasts on their toes, reminding us to embrace both the sunny and stormy moments in this tropical paradise.
In Bayamón, Puerto Rico, January offers a consistent 11 hours of daylight, mirroring the daylight duration of February. As spring approaches in March, daylight begins to stretch to 12 hours, a trend that continues through April and May, allowing for longer evenings and more outdoor activities. The peak of summer in June and July sees daylight reach its maximum at 13 hours, providing ample sunshine for beach outings and sunset views. As the year progresses into late summer and autumn, daylight gradually decreases, returning to 12 hours in August and September, and then back to 11 hours from October through December. This cyclical pattern highlights the region's warm tropical climate, making every month a delightful opportunity for exploration and enjoyment under the sun.
In January, Bayamon, Puerto Rico, experiences a gentle average wind speed of 4.2 m/s (9 mph), setting a tranquil tone for the year ahead. As winter transitions into spring, winds pick up in February to 5.3 m/s (12 mph), the highest of the early months, before settling at 4.5 m/s (10 mph) in March. The winds behave quite differently as the calendar progresses; they dip slightly to 3.8 m/s (8 mph) in April, followed by a return to consistent breezes in May with 4.4 m/s (10 mph). The summer months see a peak wind speed of 5.3 m/s (12 mph) in July, while the rest of the season stays fairly steady, with August at 4.7 m/s (11 mph). As fall approaches, winds gently decline, reaching their lowest in September at 3.2 m/s (7 mph) before gradually rising again as the year ends, showcasing the island's dynamic relationship with its coastal winds.
Weather in Bayamon varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Bayamon, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparison to January, February experiences slightly warmer minimum temperatures, with January's lows at 20°C (69°F) versus February's 21°C (70°F). However, both months share the same average temperature of 25°C (77°F) and maximum temperatures that remain quite similar, peaking at 30°C (86°F) in January and 30°C (85°F) in February. February sees marginally higher precipitation, totaling 43 mm (1.7 in) over 13 days, compared to January's 39 mm (1.5 in) across 12 days. The humidity levels are similar, with January at 76% and February slightly lower at 75%. For a closer look at February conditions, check out Bayamon weather in February.
In comparison to January, March exhibits slightly warmer temperatures, with minimums rising from 20°C (69°F) to 21°C (70°F). The average temperature remains consistent at 25°C (77°F), while the maximum temperature experiences a slight increase to 31°C (87°F) in March. Precipitation levels are notably higher in March, reaching 72 mm (2.8 in) over 14 days, compared to January's 39 mm (1.5 in) over 12 days. Humidity remains fairly similar, decreasing slightly from 76% in January to 74% in March. For a detailed overview of weather conditions, visit Bayamon weather in March.
In comparing January and April, both months offer warm temperatures, but April tends to be slightly warmer overall. January records minimum temperatures of 20°C (69°F) and averages around 25°C (77°F), while in April, the minimum increases to 22°C (71°F) and the average rises to 26°C (78°F). Additionally, the maximum temperatures are also higher in April, peaking at 31°C (88°F) compared to 30°C (86°F) in January. However, April experiences more precipitation with 55 mm (2.2 in) over 10 days, while January has 39 mm (1.5 in) across 12 days, showcasing a drier spell in January. For more details, you can check Bayamon weather in April.
In January, the weather in Bayamon features a mild temperature range, with minimums around 20°C (69°F), an average of 25°C (77°F), and maximums reaching 30°C (86°F). The month experiences about 39 mm (1.5 in) of precipitation over 12 days, accompanied by a humidity level of 76%. In contrast, May sees slightly warmer temperatures, with minimums at 23°C (73°F), an average of 27°C (80°F), and maximums climbing to 32°C (90°F). Rainfall increases to 58 mm (2.3 in) spread over 14 days, while humidity remains relatively stable at 75%. For more details on May's weather, check out Bayamon weather in May.
In January, the weather is generally warm, with temperatures ranging from a minimum of 20°C (69°F) to a maximum of 30°C (86°F), averaging around 25°C (77°F). During this month, there's a total precipitation of 39 mm (1.5 in) over 12 days, and humidity levels sit at 76%. Conversely, June brings even warmer conditions, with minimum temperatures at 24°C (75°F) and maximums hitting 32°C (90°F), averaging 27°C (81°F). However, June also sees an increase in precipitation, totaling 62 mm (2.4 in) across 15 days, with humidity slightly higher at 77%. For more specific details on June weather, check out Bayamon weather in June.
When comparing the weather in January and July, January typically experiences milder temperatures, ranging from a minimum of 20°C (69°F) to a maximum of 30°C (86°F), with an average of 25°C (77°F). The month sees about 39 mm (1.5 in) of precipitation over 12 days, accompanied by a humidity level of 76%. In contrast, July is warmer, with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 32°C (90°F), averaging at 28°C (82°F). This month also sees increased rainfall, totaling 76 mm (3.0 in) over 17 days, along with slightly higher humidity at 80%. For more detailed information, check Bayamon weather in July.
In January, the weather in Bayamon features a mild temperature range with minimums around 20°C (69°F), averaging 25°C (77°F), and reaching a maximum of 30°C (86°F). This month sees relatively low precipitation, totaling 39 mm (1.5 inches) over 12 days, accompanied by a humidity level of 76%. In contrast, August experiences warmer temperatures, with minimums at 25°C (77°F), average highs of 28°C (82°F), and maximums peaking at 32°C (90°F). The summer month brings increased rainfall, accumulating 86 mm (3.4 inches) across 18 days and a slightly higher humidity of 80%. For more detailed insights into the weather during this month, you can check Bayamon weather in August.
In January, the weather features milder temperatures with a minimum of 20°C (69°F) and an average of 25°C (77°F), while September experiences warmer conditions, with minimum temperatures starting at 25°C (77°F) and averaging 28°C (82°F). January sees less precipitation, totaling 39 mm (1.5 in) over 12 days, compared to the significantly wetter September, which records 172 mm (6.8 in) over 23 days. Additionally, while humidity levels are somewhat similar, January's average humidity is slightly lower at 76% compared to September's 79%. For more detailed information, you can check Bayamon weather in September.
In comparing the weather between January and October, we can observe a few notable differences. January experiences slightly cooler temperatures with a minimum of 20°C (69°F) and an average of 25°C (77°F), whereas October sees warmer conditions, starting at a minimum of 24°C (75°F) and averaging 27°C (81°F). Additionally, October tends to be wetter, receiving 136 mm (5.3 in) of precipitation over 22 days compared to January's 39 mm (1.5 in) over 12 days. Humidity levels remain similar, with January at 76% and October at 78%. For more detailed insights on October weather, you can visit Bayamon weather in October.
In January, the weather is generally warm with temperatures ranging from a minimum of 20°C (69°F) to a maximum of 30°C (86°F), averaging around 25°C (77°F). Precipitation is relatively low at 39 mm (1.5 in) over 12 days, and humidity hovers around 76%. In contrast, November tends to be slightly warmer, with minimum temperatures of 23°C (74°F) and an average of 26°C (80°F), while still peaking at 30°C (87°F). However, it experiences higher rainfall, accumulating 93 mm (3.7 in) over 17 days, with humidity levels a bit higher at 78%. For a more detailed look at the weather in Bayamon during November, you can check Bayamon weather in November.
In January, temperatures typically range from a minimum of 20°C (69°F) to a maximum of 30°C (86°F), with an average of 25°C (77°F). This month experiences less precipitation, totaling 39 mm (1.5 in) over approximately 12 days, while maintaining a consistent humidity level of 76%. In contrast, December sees slightly warmer temperatures, with a minimum of 22°C (73°F) and a maximum of 31°C (87°F), averaging 26°C (78°F). However, it is also wetter, with 50 mm (2.0 in) of rain over about 16 days. For a more detailed overview of December weather, check the specific conditions here: Bayamon weather in December.
As January rolls in, Bayamon embraces a transition marked by milder temperatures and a surge in humidity, contrasting sharply with the heat of the summer months. This period sees an average temperature hovering around a comfortable 25°C (77°F), with the occasional warmth reaching up to 30°C (86°F). While precipitation increases, with rain appearing on about 12 days of the month, it remains manageable, totaling 39 mm (1.5 in). This blend of moderate warmth and increased moisture makes January a unique time to experience Bayamon's charm, ideal for outdoor adventures without the intensity of high summer heat. For a deeper dive into what to expect throughout the year, visit Bayamon Climate.