Last updated: August 31, 2025
Experience the pleasant January weather in Rincón, Puerto Rico, where the skies are typically warm and inviting. With maximum temperatures reaching a delightful 28°C (84°F) and an average of 25°C (78°F), it’s the perfect time to enjoy the sun. Nights cool down to a comfortable 23°C (73°F), ensuring restful evenings. Although the month sees a moderate precipitation total of 16 mm (0.6 in) across 4 days, the humidity rests at a high 76%, contributing to the lush beauty of the region. Whether you’re lounging on the beach or exploring the vibrant local culture, January promises a tropical escape with favorable temperatures and a hint of refreshing showers.
In January, Rincon, Puerto Rico welcomes visitors with pleasantly warm temperatures, featuring minimums around 23°C (73°F) and averages of 25°C (78°F), peaking at a comfortable 28°C (84°F). This mild weather sets the tone for the earlier months of the year, as February and March maintain similar averages, with temperatures gently fluctuating between 22°C (72°F) and 28°C (83°F). As spring approaches in April and May, a slight uptick in warmth is evident, with average temperatures climbing to 26°C (78°F) and maximums reaching 29°C (85°F). This trend of gradually rising temperatures continues into the summer months, with highs hitting 31°C (88°F) by July, marking a significant increase from the cooler start of the year. Overall, January not only showcases Rincon's delightful winter warmth but also hints at the tropical paradise that awaits as the season transitions.
In Rincon, Puerto Rico, January sets a tranquil tone for the year with a modest precipitation amount of 16 mm (0.6 in), falling over just four days. This relatively dry start contrasts sharply with the wetter months that follow, particularly in September, when rainfall skyrockets to 141 mm (5.5 in), accompanied by 18 rainy days. As the year progresses, a clear upward trend in both precipitation levels and rainy days becomes evident, peaking during the summer and early fall months. This seasonal variation indicates a transition from the calmer January climate to the lush, rain-soaked months that nourish the region. The dry spell in January, coupled with only a few rainfall days, highlights this beautiful island's inviting landscapes, setting the stage for the vibrant, lush scenery expected later in the year.
In January, humidity in Rincon, Puerto Rico, hovers at a comfortable 76%, setting the tone for the month with a slight chill in the air. As the year progresses into February and March, levels dip just slightly to 75% and 74%, respectively, offering a brief respite before the humidity starts to rise again. By June, the tropical climate makes itself known, with humidity increasing to 77%, peaking during the summer months of July and August at a steamy 80%. As summer transitions to fall, humidity gently recedes, settling at around 78% in October and November, before dipping back to 76% in December. The overall trend reflects a classic tropical pattern: a moderately humid January that escalates through the year, culminating in the balmy embrace of summer.
In Rincon, Puerto Rico, the January UV Index stands at a striking 9, categorizing the exposure as very high with a burn time of only 15 minutes. This marks the beginning of the year when sun exposure should be approached with caution. As winter transitions to spring, there's a noticeable upward trend, with February's index soaring to 11 and remaining in the extreme category, which dramatically reduces burn time to just 10 minutes. This extreme condition persists through the following months of March, April, May, and into the summer, peaking at 14 in May before stabilizing at 13 during the height of the summer season. As the year winds down, a slight reprieve comes in November and December, where the UV Index lowers back to 9 and 8, respectively, yet still falls within the very high exposure category. For more insights on the UV Index throughout the year, check out the details here: Rincon UV Index.
UV Risk Categories
In January, Rincon, Puerto Rico, welcomes the year with an impressive 261 hours of sunshine, setting the tone for a delightful winter escape. As the months progress, sunshine steadily increases, peaking in May and July with a vibrant 361 hours, making these months the sunniest and most inviting for beachgoers and surfers alike. Following the summer, the sun remains generous through September and October, though a slight dip to 316 hours signals the transition into fall. As the year wraps up, November and December maintain a respectable amount of sunshine at 298 and 320 hours, ensuring that even the holiday season is bright and cheerful. Overall, Rincon’s climatology illustrates a sunny paradise, perfect for those seeking warmth and light throughout the year.
In Rincon, Puerto Rico, the likelihood of sunny weather in January stands at a solid 58%, marking it as a transitional month between the drier and wetter seasons. This percentage hints at a favorable chance for sun, particularly when compared to the following month, February, which enjoys a more promising 80% sunshine likelihood. As we glance through the year, a clear trend emerges: while January's chances are decent, they peak in February and then gradually dip as the summer months approach. Notably, March remains sunnier at 71%, but the potential for rain increases significantly in June at just 33%. Thus, January presents a wonderful opportunity for sun-seekers, especially before the wetter months set in.
In Rincon, Puerto Rico, January typically offers about 11 hours of daylight, a trend that continues through February, ensuring a consistent and tranquil start to the year. As March arrives, daylight begins to extend, reaching 12 hours, and this moderate increase sustains through May. The longest days come in June and July, each boasting 13 hours of bright sunshine, perfect for beach activities and outdoor adventures. As summer slips into fall, daylight gradually wanes back down to 12 hours in August and September, followed by a return to 11 hours by October. This rhythmic cycle of daylight creates a balanced year, allowing residents and visitors alike to relish the beautiful sun-soaked days that characterize life in this tropical paradise.
In Rincon, Puerto Rico, January ushers in a gentle breeze with an average wind speed of 4.3 m/s (10 mph), setting the tone for the month. As the year progresses, February sees a slight uptick to 4.8 m/s (11 mph), marking the peak for this time of year. However, by March, the winds ease back to 4.5 m/s (10 mph), transitioning into a more subdued April, where they drop to 3.6 m/s (8 mph). This downward trend continues through May, but interestingly, the winds pick up again in June and July, returning to roughly 4.0 m/s (9 mph). By late summer into fall, wind speeds fluctuate between 3.4 m/s (8 mph) and 4.1 m/s (9 mph), reflecting a calm to moderate pattern. The year culminates in December, where winds surge back to 4.7 m/s (11 mph), creating a dynamic wind cycle that enhances Rincon's charm throughout the seasons.
Weather in Rincon varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Rincon, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, the weather generally features a minimum temperature of 23°C (73°F) and an average of 25°C (78°F), with maximum temperatures reaching 28°C (84°F). Precipitation is relatively low, averaging about 16 mm (0.6 in) over 4 rainy days, and the humidity is around 76%. In contrast, February experiences a slightly lower minimum temperature of 22°C (72°F) and maintains a similar average of 25°C (77°F), with maximum temperatures still peaking at 28°C (83°F). However, it sees increased precipitation at 21 mm (0.8 in), spread over 7 days, and a marginally lower humidity of 75%. For more detailed insights, you can check Rincon weather in February.
In January, the weather is pleasantly warm with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 28°C (84°F), averaging around 25°C (78°F). The month sees about 16 mm (0.6 in) of precipitation over just 4 days, complemented by a humidity level of 76%. In contrast, March experiences a similar temperature range, with minimum temperatures around 22°C (73°F) and maximums reaching 28°C (83°F), averaging 25°C (77°F). However, March is wetter, with 38 mm (1.5 in) of rain spread across 11 days and slightly lower humidity at 74%. For more detailed information on the weather in March, check out Rincon weather in March.
In comparison to January, April experiences slightly warmer temperatures, with average highs reaching 29°C (84°F) compared to January's maximum of 28°C (84°F). The minimum temperatures remain constant at 23°C (73°F), while the average temperature rises from 25°C (78°F) in January to 26°C (78°F) in April. However, April sees a notable increase in precipitation, with a total of 39 mm (1.5 in) falling over 12 days, compared to January's 16 mm (0.6 in) over just 4 days. Humidity levels also remain similar, averaging 75% in April and 76% in January. For more detailed information, check out Rincon weather in April.
In January, the weather typically features mild temperatures, with a minimum of 23°C (73°F) and an average of 25°C (78°F), peaking at a comfortable 28°C (84°F). This month experiences relatively low precipitation of 16 mm (0.6 in) over about 4 days and maintains a humidity level of 76%. In contrast, May brings slightly warmer conditions, with temperatures ranging from a minimum of 24°C (75°F) to an average of 26°C (80°F) and a maximum of 29°C (85°F). However, May is considerably wetter, receiving 49 mm (1.9 in) of rain across 14 days, while humidity remains similar at 75%. For a more detailed look at May weather in Rincon, you can visit Rincon weather in May.
In January, the weather is relatively mild with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 28°C (84°F) and an average of 25°C (78°F). This month experiences a modest amount of precipitation, totaling 16 mm (0.6 in) over about 4 days, while humidity levels hover around 76%. In contrast, June brings slightly warmer temperatures, with a minimum of 24°C (76°F), an average of 27°C (81°F), and a maximum of 30°C (87°F). However, June is significantly wetter, receiving 48 mm (1.9 in) of rainfall over approximately 14 days and a similar humidity level of 77%. For more detailed information, check out Rincon weather in June.
In January, the weather is generally mild, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 28°C (84°F), and with an average temperature of 25°C (78°F). The month sees relatively low precipitation at 16 mm (0.6 in) over about 4 days, and humidity levels are around 76%. In contrast, July experiences warmer temperatures, with a minimum of 25°C (78°F) and a maximum reaching 31°C (88°F), resulting in an average of 28°C (82°F). However, this month also brings higher rainfall, totaling 69 mm (2.7 in) across approximately 15 days, accompanied by a slight rise in humidity to 80%. For more details on July weather, you can explore Rincon weather in July.
When comparing January and August weather, January tends to be slightly cooler with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 28°C (84°F), while August sees warmer averages, with temperatures starting at 25°C (77°F) and peaking at 31°C (88°F). Precipitation also differs significantly between the two months; January receives only 16 mm (0.6 in) over about 4 days, whereas August experiences a much wetter climate with 64 mm (2.5 in) over 15 days. Humidity levels are fairly consistent, with January at 76% and August slightly higher at 80%. For more detailed information about August weather, you can check out this link: Rincon weather in August.
The weather comparison between January and September reveals notable differences. In January, temperatures range from a minimum of 23°C (73°F) to a maximum of 28°C (84°F), with an average of 25°C (78°F). The month typically sees low precipitation levels at 16 mm (0.6 in) over just 4 days, along with a humidity of 76%.
Conversely, September experiences warmer temperatures, with a minimum of 25°C (78°F) and a maximum of 31°C (87°F), averaging 28°C (82°F). However, this month also brings significantly higher rainfall, accumulating 141 mm (5.5 in) across 18 days, while humidity slightly increases to 79%. For more detailed insights, you can check the Rincon weather in September.
In January, the weather is generally milder with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 28°C (84°F), accompanied by low precipitation levels of 16 mm (0.6 in) over just four days. The humidity sits at a comfortable 76%. In contrast, October brings warmer conditions, with temperatures starting at 25°C (77°F) and reaching highs of 31°C (88°F). However, the month is considerably wetter, experiencing 71 mm (2.8 in) of rainfall across 14 days, and a slightly higher humidity of 78%. For more details, you can check out Rincon weather in October.
In January, the weather is generally mild with average temperatures ranging from a minimum of 23°C (73°F) to a maximum of 28°C (84°F), accompanied by low precipitation of just 16 mm (0.6 in) over four days. Humidity levels hover around 76%. In contrast, November sees slightly warmer temperatures, with averages from 24°C (76°F) to 30°C (86°F), but it also experiences higher rainfall, totaling 66 mm (2.6 in) spread across 13 days, and a marginally higher humidity of 78%. For more detailed information on weather patterns in November, you can visit Rincon weather in November.
In January, the weather is quite similar to December, with January experiencing slightly cooler average temperatures, ranging from a minimum of 23°C (73°F) to a maximum of 28°C (84°F), compared to December’s range of 23°C (74°F) to 29°C (84°F). Precipitation levels also reflect a slight decrease, with January receiving about 16 mm (0.6 in) of rain over 4 days, while December sees a bit more with 19 mm (0.8 in) over the same number of days. Both months maintain consistent humidity levels at 76%, making the overall conditions quite comfortable. For more details on December's weather, you can refer to Rincon weather in December.
As January rolls in, Rincon offers a refreshing change from the more intense conditions often seen in the summer months. With average temperatures hovering comfortably around 25°C (78°F), the weather is pleasantly warm yet not sweltering, making it perfect for outdoor adventures. The increased humidity at 76% adds a touch of tropical feel, but with only 16 mm of precipitation over just a few days, rain is seldom a concern. If you're seeking a delightful escape where you can savor mild beach days without the summer heat, January in Rincon is a fantastic option. For deeper insights about the weather trends in this captivating destination, explore Rincon Climate.