Last updated: October 30, 2025
January in Humacao, Puerto Rico offers a pleasant tropical experience, characterized by an average temperature of 25°C (77°F), with highs reaching up to 28°C (83°F) and lows around 21°C (70°F). The month typically sees 17 days of precipitation, totaling approximately 57 mm (2.3 in), resulting in a humidity level of 76% that contributes to the lush, vibrant landscapes. Visitors can expect a mix of sunny days and refreshing rain, making it an ideal time to enjoy the region's natural beauty while embracing the warm, inviting island atmosphere.
In January, Humacao, Puerto Rico, boasts a delightful tropical climate that invites visitors to escape the winter chill. With nighttime temperatures dipping to a comfortable 21°C (70°F), the days warm up to an inviting 28°C (83°F). The average temperature settles around 25°C (77°F), creating a perfect balance for outdoor activities and relaxation on the beach. As the month progresses into February, there’s a slight decrease in the average temperature to 24°C (76°F), but the overall warmth persists, ensuring that the balmy weather remains a hallmark of winter in Humacao. With trends showing consistent mildness, it’s clear that January stands out as a fantastic time to enjoy the sunny skies and gentle breezes of this charming coastal town.
In January, Humacao, Puerto Rico experiences a moderate precipitation level, with 57 mm (2.3 in) of rain spread across approximately 17 days. This sets the stage for a gradual increase in rainfall as the months progress, leading to February's slightly higher 61 mm (2.4 in), and further surging into the spring months, where March and April deliver 78 mm (3.1 in) and 79 mm (3.1 in), respectively. Notably, May ushers in a significant uptick, reaching 109 mm (4.3 in) and heralding the start of the wet season. As summer approaches, precipitation peaks in September with an average of 195 mm (7.7 in), showcasing the distinctive pattern of increased rainfall that characterizes the region. Throughout this period, the number of rainy days steadily rises, peaking in September and October, making the early year a significant precursor to the more intense precipitation of the following months.
In January, Humacao, Puerto Rico experiences an average humidity of 76%, setting a slightly moist tone for the year. As the months progress into February and March, humidity levels remain relatively stable, hovering around 75%-74%. This mild trend shifts as the warmer months approach, with June and July bringing increased moisture, peaking at 80%. The summer humidity persists through August and begins to taper off in September to 79%, before gradually declining to 76% by December. Overall, while January starts off with comfortable humidity levels, the wettest months of summer introduce a notable increase, revealing a distinct seasonal pattern in tropical conditions.
In January, Humacao, Puerto Rico experiences a UV Index of 9, which falls within the very high exposure category. With a burn time of just 15 minutes, it's important for residents and visitors to be mindful of sun safety. This UV intensity sets the stage for a steady increase in solar radiation as the year progresses. By February, the index spikes to 11, transitioning into an extreme category emphasizing the need for sun protection, with burn time dropping to 10 minutes. This trend continues into the spring and summer months, where the UV Index consistently remains at or above 12, peaking at 14 in September. As the year winds down, the UV levels dip slightly, returning to 9 by November and 8 in December. With such fluctuations, it's crucial to stay informed and protected against the sun’s powerful rays throughout the year in this tropical paradise. For more details on UV safety, check out Humacao UV Index.
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January in Humacao, Puerto Rico, welcomes you with 258 hours of sunshine, setting the stage for a year filled with abundant warmth and light. As winter transitions into spring, the daylight hours progressively increase, peaking in May with an impressive 357 hours. This trend of abundant sunshine continues into the summer months, with July and August averaging around 354 and 349 hours respectively, creating the perfect backdrop for outdoor activities and beach days. As the year progresses into autumn, sunshine remains generous, although it slightly tapers off to 318 hours in September and 316 hours in October, before stabilizing around 302 hours in November. Finally, December closes the year with 320 hours, ensuring that even as the year winds down, the vibrant sun still casts its golden rays over this beautiful coastal paradise.
In Humacao, Puerto Rico, January kicks off the year with a 50% chance of sunny weather, setting the stage for a delightful start to winter. This probability is slightly below the warmer months that follow, such as February at 65% and March at 61%, where the allure of sunshine starts to climb. Interestingly, as we transition into April, the likelihood dips to 44%, hinting at a more unpredictable weather pattern. The trend then shifts again with May showing a resurgence at 51%. However, as summer approaches, particularly in June with only a 20% chance of sunny days, it's clear that the latter half of the year tends toward cloudier conditions. In this beautiful coastal locale, January offers a refreshing blend of sun and mild weather, inviting visitors to soak in the tropical ambiance before the intensity of summer sets in.
In Humacao, Puerto Rico, January ushers in approximately 11 hours of daylight, a consistent duration that continues through February. As the spring months approach, daylight begins to stretch, reaching 12 hours in March and persisting through May, offering ample time for outdoor activities. The summer months of June and July shine brightly with 13 hours of daylight, perfect for enjoying the island's vibrant beaches and natural beauty. However, as August rolls in, daylight gradually decreases back to 12 hours, returning to 11 hours by October, a trend that continues through the end of the year. This cyclical pattern illustrates the pleasant consistency of daylight throughout the year in this tropical paradise, inviting residents and visitors alike to bask in the sun's warmth across all seasons.
In January, Humacao, Puerto Rico, experiences an average wind speed of 4.0 m/s (9 mph), setting the tone for a breezy start to the year. As the months progress, wind speeds gradually increase, peaking in February and July at 5.0 m/s (11 mph). Interestingly, the wind begins to soften in the warmer months, notably dropping to 3.2 m/s (7 mph) by September. This trend continues into the final months of the year before winds pick up again slightly in December. Overall, the January winds serve as a gentle prelude to the variable breezes that characterize the rest of the year, creating a dynamic atmosphere that complements the island's tropical charm.
Weather in Humacao varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Humacao, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February present a mild and warm climate, with temperatures remaining relatively stable throughout both months. In January, temperatures range from a minimum of 21°C (70°F) to a maximum of 28°C (83°F), with an average of 25°C (77°F). In contrast, February sees slightly cooler averages, with a minimum of 21°C (70°F), an average of 24°C (76°F), and a maximum of 27°C (81°F).
Precipitation levels also show a slight increase in February, with 61 mm (2.4 in) of rainfall over 21 days compared to January's 57 mm (2.3 in) over 17 days. Humidity levels remain similar, with January at 76% and February slightly lower at 75%. For more details on February's climate, you can check out Humacao weather in February.
In comparing the weather between January and March, both months feature similar average temperatures, ranging from a minimum of 21-22°C, an average of around 25°C, and a maximum of 28°C. However, March sees slightly more precipitation, totaling 78 mm across 22 days, compared to January's 57 mm over 17 days. Additionally, March has a marginally lower humidity level at 74% versus 76% in January. For a more in-depth look at March weather patterns, you can visit Humacao weather in March.
In January, the weather presents a warm and humid atmosphere with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 28°C (83°F), and an average of 25°C (77°F). This month experiences 57 mm (2.3 in) of precipitation over 17 days, resulting in a humidity level of 76%. By contrast, April shows slightly warmer conditions, with minimum temperatures at 22°C (71°F) and maximums reaching 29°C (84°F), while maintaining the same average of 25°C (77°F). Precipitation increases to 79 mm (3.1 in) over 20 days, with humidity dipping slightly to 75%. For more details on April weather specifically, check out Humacao weather in April.
In January, the weather tends to be warm with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 28°C (83°F), and an average of 25°C (77°F). The month experiences significant rainfall, with 57 mm (2.3 in) over approximately 17 days and humidity levels around 76%. In contrast, May offers slightly warmer temperatures, with a minimum of 23°C (73°F), an average of 26°C (79°F), and a maximum of 29°C (85°F). However, May is also wetter, with total precipitation reaching 109 mm (4.3 in) over 26 days, while humidity remains relatively stable at 75%. For more insights into May weather conditions, you can visit Humacao weather in May.
In January, the weather features warmer temperatures, with a minimum of 21°C (70°F) and an average of 25°C (77°F), while June brings slightly higher temperatures, starting at a minimum of 24°C (75°F) and averaging 27°C (80°F). Although both months experience high humidity levels, January shows slightly lower precipitation, at 57 mm (2.3 in) over 17 days, compared to June's more substantial rainfall of 110 mm (4.3 in) across 26 days. This demonstrates a shift from a drier to a wetter climate as the year progresses. For a closer look at the specifics of the June weather in Humacao, visit Humacao weather in June.
In January, the weather features a comfortable average temperature of 25°C (77°F), with a maximum of 28°C (83°F) and a minimum of 21°C (70°F). The month experiences moderate rainfall, totaling 57 mm (2.3 in) over 17 days, and maintains a humidity level of 76%. In contrast, July is warmer, with an average temperature of 27°C (81°F) and maximum temperatures reaching 30°C (86°F). However, July is considerably wetter, with precipitation at 149 mm (5.9 in) over 27 days and slightly higher humidity at 80%. For more details on July weather, you can check Humacao weather in July.
January and August in Humacao display noticeable differences in weather. In January, temperatures range from a minimum of 21°C (70°F) to a maximum of 28°C (83°F), with an average of 25°C (77°F). The month experiences around 57 mm (2.3 in) of precipitation over 17 days, coupled with a humidity level of 76%. In contrast, August is warmer, with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 30°C (87°F), averaging 27°C (82°F). Additionally, August has significantly higher rainfall, with 153 mm (6.0 in) spread over 27 days and a humidity of 80%. For a more detailed look at August weather, you can visit Humacao weather in August.
In January, the weather tends to be mild with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 28°C (83°F), accompanied by average humidity of 76%. Precipitation during this month averages 57 mm (2.3 in) over approximately 17 days, making for a relatively drier start to the year. In contrast, September experiences warmer conditions, with temperatures starting at a minimum of 24°C (76°F) and peaking at 31°C (88°F). This month also sees a marked increase in rainfall, totaling 195 mm (7.7 in) over 28 days, leading to higher humidity levels of 79%. For a more detailed understanding of September weather, you can visit Humacao weather in September.
January and October showcase distinct weather patterns. In January, temperatures range from a minimum of 21°C (70°F) to a maximum of 28°C (83°F), with an average of 25°C (77°F). The month experiences 57 mm (2.3 in) of precipitation over 17 days, accompanied by a humidity level of 76%. Conversely, October sees slightly warmer temperatures, with a minimum of 24°C (75°F) and a maximum of 30°C (87°F), averaging 27°C (81°F). However, it is also significantly wetter, with 187 mm (7.4 in) of precipitation spread across 26 days, and humidity rises slightly to 78%. For more detailed information, you can check Humacao weather in October.
In January, the weather tends to be slightly cooler, with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 28°C (83°F) and an average of 25°C (77°F). The month sees around 57 mm (2.3 in) of precipitation over 17 days, accompanied by a humidity level of 76%. In contrast, November experiences warmer conditions, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 29°C (85°F), averaging 26°C (80°F). However, it is also wetter, with total precipitation reaching 131 mm (5.2 in) across 25 days and a slightly higher humidity of 78%. For more detailed insights into November weather, you can visit Humacao weather in November.
January and December have similar weather patterns, but there are notable differences in temperature and precipitation. In January, temperatures range from a minimum of 21°C (70°F) to a maximum of 28°C (83°F), with an average of 25°C (77°F). In contrast, December tends to be slightly warmer, with temperatures ranging from 23°C (73°F) to 29°C (85°F) and an average of 26°C (78°F). December also experiences more rainfall, with 81 mm (3.2 in) across 24 days, compared to January's 57 mm (2.3 in) over 17 days. Both months share the same humidity level of 76%, creating a consistently humid environment. For a detailed look at December's climate, you can visit Humacao weather in December.
As January graces Humacao, it brings a mild climate characterized by comfortable temperatures and a touch of humidity, making it a pleasant respite compared to the hotter summer months. With frequent but light rainfall, this month invites a refreshing atmosphere that refreshes the landscape while allowing for ample sunshine to peek through. Travelers and locals alike can enjoy outdoor activities, albeit with the occasional rain shower, which sets January apart from the more intense heat of other months. To explore more about the weather patterns throughout the year, check out Humacao Climate.