Last updated: August 31, 2025
In January, Monserrate, Puerto Rico experiences a delightful climate characterized by a maximum temperature of 30°C (86°F) and an average of 25°C (77°F), providing warm and comfortable days. The minimum temperature hovers around 20°C (69°F), ensuring pleasant evenings. However, this month also brings a modest precipitation amount of 39 mm (1.5 in) spread over 12 days, adding a refreshing touch to the lush landscapes. With an average humidity level of 76%, January is an excellent time to explore the vibrant natural beauty of Monserrate while enjoying its tropical charm.
In January, Monserrate, Puerto Rico, enjoys a delightful climate with temperatures that create the perfect backdrop for exploration. With a minimum of 20°C (69°F) and a maximum of 30°C (86°F), the average temperature hovers around a comfortable 25°C (77°F). This marks the start of a gradual warming trend, as February introduces slightly higher nighttime lows of 21°C (70°F) while maintaining the same inviting average. As the months progress, temperature readings show a consistent increase, ultimately reaching peak warmth in May through September, where highs persist at 32°C (90°F). This steady rise from the early weeks of the year offers a seamless transition into the tropical embrace of summer, making Monserrate a year-round destination for sun-seekers and outdoor enthusiasts alike.
In January, Monserrate, Puerto Rico, experiences moderate precipitation with an average of 39 mm (1.5 in) over approximately 12 rainy days. This marks the beginning of the year with relatively lower rainfall compared to the heavier downpours of the upcoming months. As the season progresses, rainfall increases notably, peaking in September with a staggering 172 mm (6.8 in) spread across 23 days. This upward trend in precipitation suggests a pattern typical of the region's tropical climate, where January's modest showers set the stage for the wetter months ahead, highlighting the transition from the drier winter months into the lush summer season.
In January, Monserrate, Puerto Rico, experiences a humidity level of 76%, setting the tone for a typically humid Caribbean climate. As the months progress into the spring, humidity gradually declines, reaching its lowest point of 74% in March. However, this slight respite is short-lived; by June, the humidity climbs back up to 77%, peaking at 80% during the summer months of July and August. The trend then stabilizes, with humidity levels hovering around 78% to 79% in the fall, before returning to 76% in December. This cyclical pattern highlights Monserrate's tropical climate, characterized by significant moisture that persists throughout the year.
In January, Monserrate, Puerto Rico, experiences a very high UV Index of 9, with a quick burn time of just 15 minutes. As the year progresses, the intensity of UV radiation escalates sharply, peaking in May with an extreme UV Index of 14, where sun protection becomes crucial with a mere 10 minutes of safe exposure. Notably, from February through October, the UV Index remains predominantly in the extreme category, emphasizing the need for vigilance against skin damage. The UV Index gradually declines toward the end of the year, returning to a very high level by November and December. This consistent pattern highlights the importance of sun safety year-round in Monserrate. For more details, check out the Monserrate UV Index.
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In January, Monserrate, Puerto Rico, enjoys a delightful 257 hours of sunshine, setting a bright tone for the year ahead. As the months progress, the island basks in increasingly sunny skies, peaking in May with an impressive 356 hours. This upward trend continues with April and June not far behind, showcasing a steady increase in daylight as summer approaches. By mid-year, July and August maintain this golden glow, each offering over 350 hours of sunshine. However, as the year winds down, sunshine hours dip slightly but remain consistently above 290 hours, ensuring that Monserrate's charm shines brightly throughout the year. The overall pattern reveals a tantalizing blend of warmth and light, making every month in this tropical paradise a perfect escape.
In Monserrate, Puerto Rico, January brings a 51% chance of sunny weather, setting a tone of optimism for the start of the year. This probability reflects a trend of fluctuating sunshine throughout the winter months, with February peaking at a 71% likelihood, making it the sunniest month in the early year. As spring approaches, the chances remain relatively favorable with 64% in March but dip in April to 50%. While January may not guarantee endless rays, it offers a balanced mix of sunshine and cloud cover, paving the way for a delightful outdoor experience. The overall pattern reveals a gradual increase in sunshine as the winter months transition into spring, creating a dynamic climate for visitors and locals alike.
In Monserrate, Puerto Rico, January ushers in a consistent 11 hours of daylight, a pattern that continues into February, setting the tone for the early months of the year. As spring approaches in March, daylight begins to increase slightly, reaching 12 hours and maintaining this length through April and May. The trend escalates into summer, where June and July bask in the longest days of the year with 13 hours of daylight. As summer wanes into August and September, the daylight gradually returns to 12 hours, before tapering off again to 11 hours in October through December. This rhythmic ebb and flow of daylight highlights the region's stable tropical climate, creating a blend of predictability and warmth throughout the year.
In January, Monserrate, Puerto Rico, greets the year with a gentle breeze, boasting an average wind speed of 4.2 m/s (9 mph). This calming start contrasts with the slightly stronger winds of February, where speeds rise to 5.3 m/s (12 mph). As the months progress, wind patterns exhibit a notable fluctuation, peaking again in July at 5.3 m/s before tapering off in the autumn months. The transition into the cooler seasons, particularly September, sees wind speeds drop to a milder 3.2 m/s (7 mph), creating a serene atmosphere, which remains consistent until November. Overall, these trends suggest that while January initiates the year with a soft breeze, the winds gradually strengthen through the spring and summer months, only to retreat back to tranquility as winter approaches once again.
Weather in Monserrate varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Monserrate, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between January and February, both months exhibit similar temperature ranges, with January experiencing a slight dip in the minimum temperature at 20°C (69°F) compared to February's 21°C (70°F). Both months maintain an average temperature of 25°C (77°F), while the maximum temperature only varies slightly, peaking at 30°C (86°F) in January and 30°C (85°F) in February. Precipitation sees a small increase in February, totaling 43 mm (1.7 in) over 13 days, compared to January's 39 mm (1.5 in) over 12 days. Humidity remains consistent throughout, with January at 76% and February slightly lower at 75%. For more details on February weather, check out Monserrate weather in February.
In comparing the weather of January and March, both months exhibit warm temperatures with fairly similar averages, but March tends to be slightly warmer, with a minimum temperature of 21°C (70°F) and a maximum of 31°C (87°F) compared to January's minimum of 20°C (69°F) and maximum of 30°C (86°F). Precipitation levels also increase in March, with 72 mm (2.8 in) of rain spread over 14 days, while January sees less precipitation at 39 mm (1.5 in) over 12 days. Interestingly, humidity remains consistent, hovering around 76% in January and slightly lower at 74% in March. For more detailed insights into weather patterns specific to March, you can check out Monserrate weather in March.
In January, the weather tends to be slightly cooler with temperatures ranging from a minimum of 20°C (69°F) to an average of 25°C (77°F) and a maximum of 30°C (86°F). During this month, there is an average precipitation of 39 mm (1.5 in) over approximately 12 days, contributing to a humidity level of 76%. In contrast, April sees a gradual warming trend, with temperatures starting slightly higher at a minimum of 22°C (71°F) and rising to an average of 26°C (78°F) and a maximum of 31°C (88°F). This month also experiences increased rainfall, with 55 mm (2.2 in) of precipitation spread over 10 days, while humidity remains fairly stable at 75%. For more details about the weather in April, you can visit Monserrate weather in April.
January and May exhibit noticeable differences in weather patterns. In January, temperatures 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). The month sees about 39 mm (1.5 in) of precipitation spread over 12 days and maintains a humidity level of 76%. In contrast, May experiences slightly warmer temperatures, with a minimum of 23°C (73°F), an average of 27°C (80°F), and a maximum of 32°C (90°F). Precipitation increases to 58 mm (2.3 in) over 14 days, accompanied by a slightly lower humidity of 75%. This comparison highlights how May tends to be warmer and wetter than January. For more detailed information, check Monserrate weather in May.
In January, the weather features milder temperatures with a minimum of 20°C (69°F) and an average of 25°C (77°F), peaking at a maximum of 30°C (86°F). The month experiences relatively low precipitation at 39 mm (1.5 in) over 12 days, with humidity levels averaging around 76%.
In contrast, June brings warmer conditions, with minimum temperatures rising to 24°C (75°F), an average of 27°C (81°F), and a maximum of 32°C (90°F). Precipitation increases to 62 mm (2.4 in) recorded over 15 days, while humidity remains similar at 77%.
For more detailed information, you can check Monserrate weather in June.
January and July present markedly different weather conditions. In January, temperatures 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 about 39 mm (1.5 in) of precipitation over 12 days, alongside a humidity level of 76%. In contrast, July sees slightly warmer temperatures, with minimums of 24°C (76°F) and maximums reaching 32°C (90°F), averaging 28°C (82°F). Precipitation increases to 76 mm (3.0 in) over 17 days, accompanied by a slight rise in humidity to 80%. For those interested in more details, check out Monserrate weather in July.
In January, the weather tends to be warm but slightly cooler, with minimum temperatures around 20°C (69°F) and an average of 25°C (77°F), reaching a maximum of 30°C (86°F). Precipitation is relatively low, totaling 39 mm (1.5 in) over about 12 days, and the humidity is moderate at 76%.
In contrast, August brings even warmer temperatures, with minimums rising to 25°C (77°F) and averaging 28°C (82°F), peaking at 32°C (90°F). However, the month sees a significant increase in rainfall, with 86 mm (3.4 in) spread across approximately 18 days, and humidity levels also increase slightly to 80%. This change in weather patterns can significantly affect outdoor activities. For those interested in more detailed August weather information, visit Monserrate weather in August.
In January, the weather is generally warm and pleasant, with temperatures ranging from a minimum of 20°C (69°F) to a maximum of 30°C (86°F), and an average of 25°C (77°F). The month experiences relatively low precipitation at 39 mm (1.5 in) over 12 days and a humidity level of 76%. In contrast, September brings warmer temperatures, with a minimum of 25°C (77°F), averaging 28°C (82°F), and peaking at 32°C (90°F). However, it also sees a significant increase in rainfall, totaling 172 mm (6.8 in) over 23 days, and slightly higher humidity at 79%. For more detailed information, check out Monserrate weather in September.
In January, temperatures generally 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). The month experiences moderate rainfall, accumulating about 39 mm (1.5 in) over 12 days, while humidity levels hover around 76%. Conversely, October sees slightly warmer temperatures, with a minimum of 24°C (75°F) and a maximum of 32°C (89°F), resulting in an average temperature of 27°C (81°F). The month is also wetter, with a total precipitation of 136 mm (5.3 in) spread across 22 rainy days, and humidity levels increase to 78%. For more detailed weather information, check Monserrate weather in October.
In January, the weather is generally warm with temperatures ranging from a minimum of 20°C to a maximum of 30°C, averaging around 25°C. The month sees a total precipitation of 39 mm, spread over 12 days, and the humidity level averages around 76%. In contrast, November experiences slightly higher temperatures, with a minimum of 23°C and an average of 26°C, peaking at 30°C. Precipitation is also more substantial in November, totaling 93 mm over 17 days, accompanied by a humidity level of 78%. For more details on November's weather, you can refer to Monserrate weather in November.
In comparing the weather between January and December, both months exhibit warm temperatures, but January tends to be slightly cooler. January has a minimum temperature of 20°C (69°F), an average of 25°C (77°F), and a maximum reaching 30°C (86°F), while December's temperatures are a bit higher, with a minimum of 22°C (73°F), an average of 26°C (78°F), and a maximum of 31°C (87°F). Additionally, January sees less precipitation, with 39 mm (1.5 in) over 12 days compared to December’s 50 mm (2.0 in) over 16 days. Despite this difference in rainfall, both months maintain the same humidity level at 76%. For a more detailed look, you can check Monserrate weather in December.
As January unfolds in Monserrate, the weather delights with a pleasant blend of warmth and occasional showers, setting it apart from the drier months ahead. With average temperatures hovering around 25°C (77°F), this month offers a comfortable escape that is perfect for exploring the lush surroundings. While humidity remains fairly high at 76%, the sporadic 39 mm of rainfall over 12 days serves to invigorate the landscape, making it feel vibrant and lush. Unlike the sweltering heat of mid-year, January's milder climate invites both visitors and locals to enjoy a more temperate experience. For more detailed insights into the weather patterns, check out Monserrate Climate.