Last updated: August 31, 2025
August in Monserrate, Puerto Rico, offers a vibrant tropical experience, featuring maximum temperatures soaring up to 32°C (90°F) and a pleasant average of 28°C (82°F). With minimum temperatures hovering around 25°C (77°F), the climate remains warm and inviting for outdoor activities. However, be prepared for frequent showers, as the month averages 86 mm (3.4 in) of rain over 18 days, contributing to an humidity level of about 80%. This mix of warmth and moisture creates a lush, verdant landscape, making it a picturesque and dynamic time to explore the natural beauty of this Caribbean gem.
In August, Monserrate, Puerto Rico, experiences warm tropical weather, with temperatures reflecting the peak of summer. The minimum temperature settles at a cozy 25°C (77°F), while the average hovers around a pleasant 28°C (82°F), making it ideal for beachgoers and outdoor enthusiasts alike. With a maximum temperature reaching up to 32°C (90°F), August is characterized by warmth, closely mirroring the preceding months of July and June. As summer transitions toward its end, temperatures remain relatively consistent, offering visitors an inviting environment filled with sunshine and vibrant local culture.
August marks a notable peak in precipitation for Monserrate, Puerto Rico, with 86 mm (3.4 in) of rainfall spread over 18 days. This uptick not only highlights the region's shift into the heart of the wet season but also sets the stage for the even heavier downpours that follow in September, which experiences a staggering 172 mm (6.8 in). The trend reveals a gradual increase in precipitation throughout the summer months, beginning with 39 mm in January and culminating in the substantial rains of late summer. As the island transitions from July to August, both precipitation amounts and rainy days intensify, setting a dynamic climate backdrop that underscores the tropical vibrancy of Monserrate.
In August, Monserrate, Puerto Rico, experiences a notable peak in humidity, maintaining a level of 80%, which matches the previous month's conditions. This high humidity is part of a broader trend observed throughout the summer months, with levels significantly rising from June's 77% to July's 80%. As the year progresses, humidity tends to fluctuate slightly, with the driest months typically occurring in the early part of the year, such as March at 74%. Following the humid summer, there is a gradual decline in humidity levels into the fall, bringing a respite from the sticky summer air. Thus, August stands out as a quintessential segment of Puerto Rico's tropical climate, emphasizing both warmth and moisture.
In August, the UV Index in Monserrate, Puerto Rico, remains steadfast at a striking 13, placing it within the extreme exposure category. This trend aligns with the preceding summer months, where the UV Index consistently hovers around 13 to 14. With a burn time of just 10 minutes, it's crucial for residents and visitors alike to protect their skin with adequate sunscreen and clothing. As the season transitions into September, the UV Index shows little change, maintaining its extreme status. For a comprehensive understanding of UV exposure throughout the year, explore more at Monserrate UV Index.
UV Risk Categories
In August, Monserrate, Puerto Rico, basks in a delightful 350 hours of sunshine, continuing a summer trend of abundant daylight. The month stands out as one of the sunniest, closely following the peak brightness of May. While the summer months of June and July also offer impressive sunshine, August maintains its warmth and light, providing a perfect backdrop for outdoor activities and creating a vibrant atmosphere. As the year transitions into autumn, sunshine begins to wane, with September's hours dropping to 311, yet August remains a standout, reminding visitors of the island's tropical allure.
In August, the likelihood of sunny weather in Monserrate, Puerto Rico, drops to 42%, making it one of the less sunny months of the year. This follows a trend seen from the mid-year months, where June and July exhibit even lower chances of sunshine at 25% and 43%, respectively. As the summer fades, this pattern shifts back toward brighter days in September, reflecting a gradual return to more favorable weather conditions. Comparing these numbers, it's clear that while August offers some sunshine, the summer months lean toward cloudier skies, urging visitors to plan accordingly if they seek those sun-soaked moments.
In Monserrate, Puerto Rico, the rhythm of daylight unfolds in a captivating pattern throughout the year. Starting with a consistent 11 hours of daylight in January and February, the days gradually stretch to 12 hours from March through May, marking the transition into spring. As summer arrives in June and July, daylight peaks at a generous 13 hours, inviting outdoor adventures and sun-soaked activities. However, with the arrival of August, the daylight dips back to 12 hours, reminiscent of the previous spring months. As the year progresses into September and October, the daylight duration begins its gentle decline, returning to the 11-hour mark by November and December. This ebb and flow of sunlight highlights a dynamic interplay between the seasons, ensuring a vibrant experience in this tropical paradise.
In Monserrate, Puerto Rico, the August winds offer a gentle yet invigorating embrace, with an average speed of 4.7 m/s (11 mph). As the summer months unfold, wind speeds reach their peak in July, coinciding with the vibrant energy of the season at 5.3 m/s (12 mph). Following this peak, August experiences a slight dip, only to remain consistent with moderate breezes that enhance the island's tropical allure. Interestingly, as the year progresses into the quieter months of September and October, wind speeds notably decrease, reflecting an overall seasonal trend. This shift highlights Monserrate's dynamic coastal climate, where the refreshing winds are a staple during the summer, gradually transitioning to a more serene atmosphere as autumn approaches.
Weather in Monserrate varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Monserrate, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between August and January, August is characterized by warmer temperatures, with a minimum of 25°C (77°F) and an average of 28°C (82°F), peaking at 32°C (90°F). The month experiences significant humidity at 80% and higher precipitation, totaling 86 mm (3.4 in) over 18 days. In contrast, January sees milder conditions, with a minimum of 20°C (69°F) and an average temperature of 25°C (77°F), maxing out at 30°C (86°F). Additionally, January has less precipitation at 39 mm (1.5 in) over 12 days and a slightly lower humidity level of 76%. For more detailed insights into January weather, check out Monserrate weather in January.
When comparing the weather in August and February, August typically experiences higher temperatures, with a minimum of 25°C (77°F) and an average of 28°C (82°F), peaking at a maximum of 32°C (90°F). In contrast, February sees somewhat cooler temperatures, with a minimum of 21°C (70°F), an average of 25°C (77°F), and a maximum of 30°C (85°F). Additionally, August has significantly more precipitation, totaling 86 mm (3.4 in) over 18 days, whereas February only receives 43 mm (1.7 in) over 13 days. Humidity levels are also slightly higher in August at 80%, compared to 75% in February. For more detailed weather information, you can visit Monserrate weather in February.
In comparing the weather of August and March, August stands out as a hotter and more humid month. With average temperatures peaking at 28°C (82°F) and maximums reaching 32°C (90°F), it thoroughly embraces the summer heat. Conversely, March experiences milder temperatures with an average of 25°C (77°F) and maximums of 31°C (87°F), making it more comfortable for outdoor activities. Additionally, August sees higher precipitation levels at 86 mm (3.4 in) over 18 days, contributing to its humid environment of 80%. In contrast, March experiences less rainfall, totaling 72 mm (2.8 in) over just 14 days, and a lower humidity level of 74%. For those interested in specific weather patterns, you can find more details about Monserrate weather in March.
In comparing August and April weather, August tends to be hotter and more humid than April. The minimum temperature in August reaches 25°C (77°F), with an average of 28°C (82°F) and a maximum of 32°C (90°F). In contrast, April has slightly cooler temperatures, ranging from a minimum of 22°C (71°F) to a maximum of 31°C (88°F), with an average of 26°C (78°F). Additionally, August experiences more rainfall, with 86 mm (3.4 in) over 18 days, compared to April's 55 mm (2.2 in) over 10 days. This makes August not only warmer but also wetter, with an average humidity of 80% compared to April's 75%. For more detailed insights, you can check Monserrate weather in April.
When comparing the weather in August and May, both months exhibit warm temperatures, but August tends to be slightly hotter, with average temperatures around 28°C (82°F) compared to May's 27°C (80°F). Notably, while both months can reach a maximum of 32°C (90°F), August experiences a higher minimum temperature of 25°C (77°F) than May's 23°C (73°F). Precipitation levels are also higher in August, with 86 mm (3.4 in) over 18 days, compared to 58 mm (2.3 in) across 14 days in May. Additionally, humidity levels are notably greater in August at 80%, while May maintains a more comfortable 75%. For a detailed look at May's weather, you can visit Monserrate weather in May.
In comparing the weather of August and June, both months exhibit similar maximum temperatures, reaching up to 32°C (90°F). However, August tends to be slightly warmer overall, with average temperatures of 28°C (82°F) compared to June's 27°C (81°F). Additionally, August experiences higher precipitation levels at 86 mm (3.4 in) over 18 days, while June has a total of 62 mm (2.4 in) over 15 days, indicating a wetter and more humid atmosphere in August with humidity levels of 80% versus June's 77%. For more detailed information, you can refer to Monserrate weather in June.
In comparing the weather of August and July, both months exhibit similar temperature ranges, with July having a minimum temperature of 24°C (76°F) and August slightly warmer at a minimum of 25°C (77°F). The average temperatures remain the same at 28°C (82°F) and both months can reach a maximum of 32°C (90°F). However, August experiences slightly more precipitation, with 86 mm (3.4 in) over 18 days compared to July's 76 mm (3.0 in) over 17 days. Both months share a consistent humidity level of 80%. For more detailed information on July weather, you can check out Monserrate weather in July.
In comparing the weather between August and September, we observe that both months maintain similar temperature ranges, with minimums around 25°C (77°F), averages of 28°C (82°F), and maximums peaking at 32°C (90°F). However, September experiences significantly higher precipitation, totaling 172 mm (6.8 in) over 23 days, compared to August's 86 mm (3.4 in) over 18 days. Humidity remains relatively stable, slightly decreasing from 80% in August to 79% in September. This increase in rainfall and sustained warmth marks September as a wetter month. For more detailed weather patterns, you can refer to Monserrate weather in September.
In August, the weather typically features warmer temperatures with a minimum of 25°C (77°F) and an average of 28°C (82°F), peaking at 32°C (90°F). However, this month also brings significant rainfall, averaging 86 mm (3.4 inches) over about 18 days, accompanied by high humidity levels of 80%. In contrast, October sees a slight drop in average temperature to 27°C (81°F), while the minimum and maximum temperatures remain relatively stable at 24°C (75°F) and 32°C (89°F), respectively. Despite the similar temperatures, October experiences increased rainfall, with precipitation reaching 136 mm (5.3 inches) over 22 days, and slightly lower humidity at 78%. For a more detailed look at weather conditions, you can check Monserrate weather in October.
In August, temperatures are consistently warm, with a minimum of 25°C (77°F) and averaging around 28°C (82°F), peaking at a steamy 32°C (90°F). The month experiences significant precipitation, averaging 86 mm (3.4 in) over 18 days, accompanied by high humidity levels of 80%. In contrast, November sees slightly cooler temperatures, with a minimum of 23°C (74°F) and an average of 26°C (80°F), reaching a maximum of 30°C (87°F). Precipitation increases slightly to 93 mm (3.7 in) across 17 days, with humidity dipping to 78%. For a more detailed look at the specific weather conditions in November, visit Monserrate weather in November.
In August, the weather is typically warm and humid, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 32°C (90°F), and an average of 28°C (82°F). This month also sees considerable precipitation, averaging 86 mm (3.4 in) over 18 days, resulting in a high humidity level of 80%. In contrast, December offers slightly cooler temperatures, with a minimum of 22°C (73°F) and a maximum of 31°C (87°F), resulting in an average of 26°C (78°F). Precipitation is lower in December, totaling 50 mm (2.0 in) over 16 days, accompanied by a slight drop in humidity to 76%. For those interested in the specifics of December weather, you can find detailed information here: Monserrate weather in December.
As August rolls in, Monserrate showcases a typical tropical climate, with warm temperatures that hover around an average of 28°C (82°F), making it a pleasant escape for sun-seekers. Unlike the drier months, August experiences increased humidity levels of about 80%, contributing to a more oppressive feel especially during peak hours. Additionally, the month brings a noticeable uptick in precipitation, with rain gracing the area on 18 days, making it one of the wetter times of the year. Despite this, the vibrant greenery that flourishes thanks to the 86 mm (3.4 in) of rainfall is a vivid reminder of the region's lush beauty. For a comprehensive look at how this month compares to others, check out the Monserrate Climate.