Last updated: August 31, 2025
Guanica, Puerto Rico experiences a warm and humid August, characterized by maximum temperatures reaching 32°C (90°F) and an average of 27°C (81°F). With minimums around 23°C (74°F), the weather is ideal for beachgoers and outdoor enthusiasts alike. However, be prepared for frequent rainfall, as the island sees 96 mm (3.8 in) of precipitation over 16 days this month, contributing to the lush, vibrant landscape. The humidity levels hover around 80%, enhancing the tropical atmosphere that defines this stunning destination. Whether you’re exploring coastal beauty or enjoying local festivities, August in Guanica promises a blend of warmth and occasional refreshment.
In Guanica, Puerto Rico, August brings warm and inviting temperatures, typical of the summer season. With a minimum temperature of 23°C (74°F) and an average of 27°C (81°F), visitors can expect pleasant days. August stands out with its maximum reaching 32°C (90°F), making it one of the hottest months of the year. This slight increase is part of a broader trend, as temperatures gradually rise from the cooler, drier months of January through July. With consistent warmth and high humidity, August beckons travelers to explore the lush landscapes and vibrant culture, promising fun under the Caribbean sun.
In August, Guanica, Puerto Rico, experiences a notable surge in rainfall, with precipitation reaching 96 mm (3.8 in) over 16 days. This marks an increase from July's 86 mm and places August among the wettest months of the year, just ahead of September, which sees the highest precipitation. The trend of rising rainfall continues into the late summer months, indicating a vibrant weather pattern that supports the region's lush landscapes. As the summer heat peaks, the increased moisture not only brings cooling relief but also signals the transition towards the wetter season that characterizes the fall in this tropical paradise.
In August, Guanica, Puerto Rico, experiences a notable humidity level of 80%, which is slightly lower than the humidity peak seen in July at 81%. This month continues the trend of elevated moisture that begins in June and carries through to September. Throughout the year, humidity levels hover around 75% to 81%, indicating a consistently humid tropical climate. The slight decrease from July's peak suggests a subtle transition toward the drier months, but the overall trend remains firmly in the realm of high humidity. With this sticky atmosphere, August remains true to the sultry summer feel typical of the region.
In August, Guanica, Puerto Rico experiences a consistently high UV Index of 13, categorizing it in the extreme exposure range. This means that while enjoying the beautiful beaches and vibrant outdoors, sun protection becomes essential, as the burn time is just 10 minutes. Notably, August maintains a steady UV reading comparable to the preceding months of June and July, suggesting that as summer peaks, the sun's intensity remains fierce. This trend of extremely high UV levels is a hallmark of the region during this time, mirroring the patterns seen in May, June, and July. Therefore, it is crucial for residents and visitors alike to remain vigilant about sun safety. For further insights on UV patterns throughout the year, refer to the Guanica UV Index.
UV Risk Categories
In Guanica, Puerto Rico, August enjoys a delightful balance of sunshine, boasting an impressive 353 hours of sun—slightly less than the peak of 363 hours seen in May, yet consistent with the vibrant summer months. As the year progresses, it's clear that the sunny season maintains its charm, with hours peaking in late spring and gradually tapering off towards the fall. After July holds its spot as the sunniest month, August remains strong, paving the way for September's 318 hours. Overall, this trend highlights Guanica's enviable sunshine, making it an irresistible destination for sun-seekers throughout the summer.
In Guanica, Puerto Rico, the likelihood of enjoying sunny weather in August hovers around 47%, making it one of the more overcast months of the year. This figure follows a somewhat unpredictable trend, with sunshine peaking in the early months, particularly in February at an impressive 79%, before gradually tapering off. As the summer progresses, July and August witness a slight dip in sunny days, contrasting with the sunnier September ahead, which sees a rebound to 55%. Despite the fluctuations, August remains a vibrant month, with plenty of opportunities for outdoor fun, even if the sun might play hide and seek.
In Guanica, Puerto Rico, August offers 12 hours of daylight, mirroring a steady trend from the months of March through September, where daylight lasts between 12 to 13 hours. As the sun reaches its zenith in the summer months of June and July, daylight peaks at 13 hours, providing ample time for exploration and outdoor activities. However, as August arrives, daylight begins to taper back, hinting at the transition toward the shorter days of fall. This gradual decline continues into October, where daylight shrinks to 11 hours, aligning with the patterns established in the earlier months of the year. Overall, August serves as a bridge between the long, sun-drenched days of summer and the returning shorter days of winter.
In August, Guanica, Puerto Rico experiences a gentle shift in its breezy atmosphere, with an average wind speed of 4.2 m/s (9 mph). This marks a slight decline from the summer peak observed in July, where the winds reached 5.1 m/s (12 mph). Throughout the late spring and early summer months, wind speeds gradually increased, peaking just before the August lull. The gentle breezes of August provide a pleasant respite as the region transitions towards the calmer winds of September, which dips further to 3.1 m/s (7 mph). This trend suggests that while August retains a comfortable flow of air, the Caribbean climate is beginning to prepare for a quieter period as summer wanes.
Weather in Guanica varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Guanica, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present contrasting weather patterns. In August, temperatures range from a minimum of 23°C (74°F) to a maximum of 32°C (90°F), with an average of 27°C (81°F). This month experiences considerable rainfall, with about 96 mm (3.8 in) of precipitation occurring over 16 days, contributing to a high humidity level of 80%. In contrast, January features milder temperatures, ranging from a minimum of 19°C (67°F) to a maximum of 29°C (84°F), with an average of 25°C (77°F). Rainfall is significantly lower in January, totaling only 18 mm (0.7 in) over just 4 days, and the humidity is slightly less at 76%. For more detailed information, you can check Guanica weather in January.
August and February exhibit distinct weather characteristics, reflective of the seasonal transitions. In August, the temperatures are warmer, with a minimum of 23°C (74°F), an average of 27°C (81°F), and a maximum reaching 32°C (90°F). This month also experiences higher humidity at 80% and substantial precipitation totaling 96 mm (3.8 inches) over 16 days, indicating a more tropical climate. In contrast, February brings milder temperatures, starting at a minimum of 21°C (70°F) and averaging 25°C (77°F), peaking at 29°C (85°F). The month experiences considerably less rainfall, accumulating only 26 mm (1.0 inch) over just 5 days, and has slightly lower humidity levels at 75%. For more details about weather in February, you can check Guanica weather in February.
In comparing the weather patterns of August and March, it's clear that August is characterized by warmer temperatures and higher humidity. August sees average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 32°C (90°F), while March is slightly cooler, with averages between 21°C (69°F) and 28°C (83°F). Additionally, August experiences more rainfall, with 96 mm (3.8 in) over about 16 days, compared to 49 mm (1.9 in) over 11 days in March. The humidity levels also reflect this trend, with August at 80% and March a bit lower at 75%. For more detailed insights into weather in March, you can visit Guanica weather in March.
In comparing the weather between April and August, August tends to be hotter, with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 32°C (90°F), while April's temperatures are slightly cooler, ranging from 21°C (70°F) to 29°C (84°F). Additionally, August experiences more precipitation, totaling 96 mm (3.8 in) over 16 days, compared to April's 49 mm (1.9 in) spread over 14 days. Humidity is also higher in August at 80%, compared to April's 76%. For more details on April weather, you can visit Guanica weather in April.
When comparing the weather in August and May, both months experience warm temperatures, but August tends to be slightly hotter. In August, the minimum temperature is around 23°C (74°F), with an average of 27°C (81°F) and a maximum reaching 32°C (90°F). In contrast, May has a similar minimum of 23°C (73°F), an average of 26°C (79°F), and a maximum of 30°C (86°F). August also sees more precipitation, with 96 mm (3.8 in) over 16 days, compared to May's 59 mm (2.3 in) over 12 days. Additionally, August has a higher humidity level of 80%, slightly above May's 76%. For a detailed look at May's climate, you can check out Guanica weather in May.
In comparing the weather between June and August, both months display warm temperatures, but August tends to be slightly hotter overall. June averages a minimum of 23°C (75°F) and a maximum of 31°C (88°F), while August's temperatures range from a minimum of 23°C (74°F) to a maximum of 32°C (90°F). Additionally, August experiences higher precipitation, with 96 mm (3.8 in) falling over 16 days compared to June's 53 mm (2.1 in) over 12 days. Humidity levels are slightly elevated in August at 80%, compared to June's 78%. For more details on June weather, you can refer to Guanica weather in June.
In comparing the weather between July and August, both months exhibit warm temperatures, with average highs around 27°C (81°F) and minimal differences in the overall warmth. July tends to be slightly cooler at a maximum of 31°C (88°F) compared to August’s 32°C (90°F). Despite this minor increase in temperature, August experiences a higher amount of precipitation at 96 mm (3.8 in) over the same number of days (16), showing it is slightly wetter than July, which records 86 mm (3.4 in). Humidity levels remain relatively constant, with July at 81% and August slightly lower at 80%. For a closer look at July's weather specifics, you can visit Guanica weather in July.
In comparing the weather between August and September, we see only slight variations in temperature, with both months maintaining a consistent average of 27°C (81°F) and maximum temperatures reaching up to 32°C (90°F). However, September experiences increased precipitation, totaling 159 mm (6.2 in) over 21 days compared to August’s 96 mm (3.8 in) across 16 days. Humidity remains relatively stable, dropping slightly from 80% in August to 79% in September. For more details on the weather in September, you can visit Guanica weather in September.
August sees warm temperatures ranging from a minimum of 23°C (74°F) to a maximum of 32°C (90°F), with an average of 27°C (81°F). The month experiences significant precipitation, totaling 96 mm (3.8 in) over 16 days, and humidity levels average around 80%. In contrast, October maintains a similar temperature profile, with a minimum of 24°C (75°F), an average of 27°C (80°F), and a maximum of 31°C (88°F). However, October sees slightly higher precipitation of 102 mm (4.0 in) across 20 days, while humidity levels remain relatively lower at 78%. For a more detailed look at the weather during this month, visit Guanica weather in October.
August and November exhibit similar warm temperatures, with both months having a minimum around 23°C (73-74°F) and maximum temperatures in the low 30s°C (88-90°F). However, August tends to be slightly warmer on average, with an average temperature of 27°C (81°F) compared to November's 26°C (79°F). Precipitation is relatively close, with August experiencing 96 mm (3.8 in) over 16 days and November seeing slightly lower precipitation at 91 mm (3.6 in) over 15 days. Humidity is also marginally higher in August at 80%, while November's humidity sits at 78%. For those interested in exploring the specifics of November weather, check out Guanica weather in November.
In August, the weather is characterized by higher temperatures, with a minimum of 23°C (74°F) and an average temperature of 27°C (81°F), reaching a maximum of 32°C (90°F). This month also experiences significant rainfall, with 96 mm (3.8 in) spread over 16 days, coupled with high humidity levels around 80%. In contrast, December offers slightly cooler temperatures, with a minimum of 22°C (72°F) and an average of 26°C (78°F), peaking at 30°C (86°F). Precipitation drops considerably to 25 mm (1.0 in) over just 7 days, and humidity is a bit lower at 77%. For more details on December weather, check out Guanica weather in December.
August in Guánica marks a transition into the heart of summer, characterized by increased humidity and frequent rain showers. The temperatures remain warm, leading to a slightly tropical feel throughout the month, particularly with the higher precipitation days compared to other months. While the sun still shines brightly, the blend of heat and humidity can make it feel more intense, inviting you to seek out refreshing ocean breezes. With an average temperature that hovers in the comfortable range, this month offers a unique experience that sets it apart from the drier months of the year. To learn more about the overall weather patterns in the area, check out Guanica Climate.