Last updated: August 31, 2025
Experience the tropical allure of Culebra, Puerto Rico in August, where the weather dances between warmth and moisture. With daily maximum temperatures soaring to 29°C (85°F) and an average of 28°C (82°F), this island paradise is perfect for sun seekers. However, prepare for a splash, as 114 mm (4.5 in) of rain falls over 19 days, contributing to the island's lush landscapes. Coupled with a humidity level hovering around 80%, the air is thick with tropical charm, making each moment a vivid experience in this Caribbean gem. Whether you’re lounging on the beach or exploring the vibrant surroundings, August in Culebra promises a blend of warmth and adventure.
In August, Culebra, Puerto Rico, embraces the peak of summer with temperatures that are both warm and inviting. The minimum temperature hovers around 25°C (77°F), while the average climbs to 28°C (82°F), reflecting the island's tropical climate. Daytime highs can reach up to 29°C (85°F), creating ideal conditions for sun-soaked beach days and vibrant outdoor activities. This month continues the trend of warm temperatures seen since May, making it clear that Culebra offers a perfect escape for those seeking summer warmth even deep into the season. As the summer heat lingers, the island remains a serene getaway, welcoming visitors with its delightful tropical embrace.
In August, Culebra, Puerto Rico, experiences a notable peak in rainfall, with precipitation soaring to 114 mm (4.5 in), making it one of the wettest months of the year. This increase in precipitation days, which matches July at 19 days, highlights the persistent summer rains typical of this period. As the island transitions from the drier months of early summer, the trend indicates a significant uptick in moisture, foreshadowing the even heavier rains to come in September. This pattern not only enriches the lush landscapes but also serves as a reminder of the tropical climate's vibrant intensity, shaping both the environment and the daily lives of residents and visitors alike.
In Culebra, Puerto Rico, August marks a peak in humidity, with levels reaching a notable 80%. This trend is part of a warm, tropical pattern where humidity gently rises from 74% in March to the summer highs of 80% in both July and August. Following the summer months, humidity gradually tapers off, dropping slightly to 79% in September before stabilizing around 78% in the fall. The consistent levels throughout the year, ranging from 74% to 80%, showcase Culebra's characteristic tropical climate, where humidity remains a defining feature, contributing to the island's lush landscapes and vibrant ecosystems.
In August in Culebra, Puerto Rico, the UV Index reaches a striking 13, categorizing it as extreme and indicating a burn time of just 10 minutes. This trend of heightened UV exposure not only characterizes the summer months but also remains consistent from June through August, where the UV Index stabilizes at this intensity. Comparatively, the summer months feature some of the highest UV levels of the year, creating a need for vigilant sun protection. As Culebra transitions from high summer into early fall, be prepared for even higher UV readings in September, which peak at 14. Stay informed and always check the current UV conditions to safeguard your skin while enjoying the sun. For more detailed insights on the UV Index throughout the year, visit Culebra UV Index.
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Culebra, Puerto Rico, basks in the warmth of its August sunshine, tallying an impressive 347 hours of sunlight throughout the month. As summer reaches its zenith, August reflects a slight dip from the sunniest months of May and July, which boast 358 and 354 hours, respectively. However, the island remains radiant, as it continues to enjoy abundant sunshine relative to the early months of the year, which start with 258 hours in January. This trend of increasing daylight culminates in the vibrant summer months, offering visitors ample opportunities to soak in the tropical atmosphere before the sunshine gradually recedes in the fall. Overall, August embodies the perfect blend of summer heat and relaxation, making it an ideal time to explore the enchanting landscapes of Culebra.
In August, Culebra, Puerto Rico, typically experiences a 44% chance of sunny weather, making it one of the cloudier months of the year. This follows a trend of diminishing sun exposure, with June taking the lead at a low 24% followed by July and its 47% chance of sunshine. While August does see more sun than these preceding months, it remains significantly behind the sunnier start of the year—as exemplified by February's impressive 73% and March's 71%. As the summer progresses into early autumn, variations in weather patterns suggest that August's opportunity for sunshine may come with a touch of unpredictability, making it wise for visitors to be prepared for some overcast days amidst the warmth.
In Culebra, Puerto Rico, August marks a transition in daylight duration as the summer days begin to wane, offering 12 hours of daylight. The month follows the peak of summer with July also featuring 13 hours of glorious sunshine. This gradual decline in daylight hours, starting from the earlier months of March through June, where sunlight lingers for up to 13 hours, creates a rhythm of light that's characteristic of the Caribbean. As autumn approaches, daylight persists at 12 hours through September before dropping back to 11 hours in October, signaling the end of the vibrant summer days. Overall, August sits comfortably in the middle of the yearly daylight cycle, bridging the longer summer days to the shorter autumn and winter months.
In August, Culebra, Puerto Rico, experiences an average wind speed of 7.4 m/s (17 mph), making it one of the more tranquil months for breezes along the island. This slight dip in wind speed follows the peak of monthly averages seen in July (8.4 m/s or 19 mph) and contributes to the overall mildness of the summer months. As the year progresses, a noticeable trend emerges: after the breezy highs of February (8.7 m/s or 19 mph) and June (8.1 m/s or 18 mph), wind speeds tend to decrease slightly entering the late summer and early fall, culminating in a low of 5.5 m/s (12 mph) in September. The gentle winds of August create a perfect backdrop for serene beach days and idyllic sunsets, showcasing the island's natural beauty while inviting relaxation and leisure.
Weather in Culebra varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Culebra, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between August and January, both months exhibit warm temperatures but differ in several key aspects. August generally has a slightly higher temperature range, with average temperatures hovering around 28°C (82°F), peaking at 29°C (85°F), while January sees milder averages of 25°C (78°F) and maximums of 27°C (81°F). Additionally, August is marked by higher precipitation levels, totaling 114 mm (4.5 in) across 19 days, compared to January's 33 mm (1.3 in) over 13 days. Humidity is also somewhat higher in August at 80%, compared to January's 76%. For more specific details on temperature and conditions, you can check out the following link: Culebra weather in January.
In comparing the weather of August and February, August typically presents warmer temperatures, with averages reaching 28°C (82°F) and maximums at 29°C (85°F), while February is milder, averaging 25°C (77°F) with maximums around 27°C (81°F). August also tends to be more humid, with levels around 80%, compared to February's 75%. Additionally, August experiences significantly more rainfall, totaling 114 mm (4.5 in) over 19 days, whereas February sees only 31 mm (1.2 in) across 12 days. For a more detailed look at February weather, you can check out Culebra weather in February.
August and March present notably different weather patterns. In August, temperatures are warmer, with an average of 28°C (82°F) and highs reaching up to 29°C (85°F), compared to March's cooler average of 25°C (77°F) and maximums of 26°C (80°F). August also experiences significantly more rainfall, with 114 mm (4.5 in) over 19 days, while March sees only 40 mm (1.6 in) across 11 days. Additionally, humidity levels in August are higher at 80%, compared to March's 74%, making August feel more tropical and humid. For more detailed information on the weather in March, check out Culebra weather in March.
In comparing the weather between August and April, August tends to be warmer and more humid. The minimum temperature in August is 25°C (77°F), with an average of 28°C (82°F) and a maximum of 29°C (85°F), whereas April has slightly cooler temperatures, ranging from a minimum of 23°C (73°F) to an average of 26°C (78°F) and a maximum of 27°C (81°F). Precipitation also significantly differs, with August experiencing 114 mm (4.5 in) of rain over 19 days, compared to April's 41 mm (1.6 in) over 9 days. Humidity levels are higher in August at 80%, while April maintains a lower level of 75%. For a detailed look at April weather, you can check Culebra weather in April.
August and May present notably similar temperature ranges, with both months enjoying warm conditions. However, August is slightly warmer with average temperatures peaking at 28°C (82°F) compared to May's 26°C (80°F). While May experiences less rainfall at 57 mm (2.2 in) over 13 days, August sees a significant increase in precipitation, totaling 114 mm (4.5 in) across 19 days, making it the wetter month. Additionally, humidity levels are higher in August at 80% compared to May's 75%, contributing to a more tropical feel during the latter summer month. For more detailed information, you can explore Culebra weather in May.
When comparing the weather in August and June, both months exhibit warm temperatures with August being slightly warmer on average. August has a minimum temperature of 25°C (77°F) and an average of 28°C (82°F), while June features a minimum of 24°C (76°F) and an average of 27°C (81°F). Interestingly, the maximum temperature in both months remains similar, peaking at 29°C (84-85°F). However, August experiences significantly higher precipitation, totaling 114 mm (4.5 in) over 19 days, compared to June’s 63 mm (2.5 in) across 15 days. Humidity levels are also slightly higher in August at 80%, versus 77% in June. For more detailed insights, you can check out Culebra weather in June.
In comparing the weather between July and August, both months exhibit similar temperature ranges, with July having a minimum temperature of 25°C (78°F) and an average temperature of 27°C (82°F), while August maintains similar figures with a minimum of 25°C (77°F) and an average of 28°C (82°F). However, August experiences slightly more precipitation, totaling 114 mm (4.5 in) over 19 days compared to July's 102 mm (4.0 in) during the same number of days. Both months share identical humidity levels at 80%. For more detailed insights, you can check Culebra weather in July.
In comparing the weather of August and September, we find that both months exhibit similar temperature patterns, with minimum temperatures around 25°C (77°F), average temperatures at 28°C (82°F), and maximum temperatures reaching 29°C (85°F). However, September brings increased precipitation, totaling 160 mm (6.3 in) over 20 days, compared to August's 114 mm (4.5 in) over 19 days. Humidity levels remain relatively consistent, with August recorded at 80% and September slightly lower at 79%. For more detailed insights, you can check Culebra weather in September.
August and October share a similar temperature profile, with August recording a minimum of 25°C (77°F) and an average of 28°C (82°F), while October features slightly lower humidity and a similar temperature range. Although both months reach a maximum of 29°C (85°F), October sees a slight drop in humidity to 78%, compared to August's 80%. In terms of precipitation, October has slightly more, with 136 mm (5.4 in) over 18 days, compared to August's 114 mm (4.5 in) over 19 days. For a detailed look at weather patterns, you can explore Culebra weather in October.
August and November showcase relatively similar weather patterns, but with some notable differences. In August, temperatures range from a minimum of 25°C (77°F) to a maximum of 29°C (85°F), with an average temperature of 28°C (82°F). The month is characterized by higher precipitation levels, receiving 114 mm (4.5 inches) over 19 days, and a humidity level of 80%. In contrast, November sees slightly cooler temperatures, with a minimum of 24°C (76°F) and a maximum of 28°C (84°F), averaging 27°C (81°F). Precipitation is also marginally less, totaling 107 mm (4.2 inches) across 17 days, accompanied by a humidity level of 78%. Overall, while both months are warm and humid, November offers slightly cooler temperatures and less rainfall. For more details, check Culebra weather in November.
August typically features warmer and wetter conditions compared to December. The average temperature hovers around 28°C (82°F) with a maximum of 29°C (85°F), while December sees slightly cooler averages at 26°C (79°F) and a maximum of 28°C (83°F). Precipitation is also markedly higher in August, with 114 mm (4.5 in) over 19 days, compared to December's more manageable 51 mm (2.0 in) across 15 days. Additionally, humidity levels are higher in August at 80%, as opposed to 76% in December, making the latter month feel a bit more comfortable. For more detailed information on December weather, you can visit Culebra weather in December.
As August rolls into Culebra, temperatures remain warm and inviting, with averages hovering around a comfortable 28°C (82°F). This month is notably marked by higher humidity levels at 80%, creating a tropical feel that pairs well with the occasional afternoon rain—a stark contrast to the drier months preceding it. With 19 days experiencing rain and a total precipitation of 114 mm (4.5 in), August encourages visitors to embrace the refreshing showers that nourish the lush landscapes. Overall, the weather in August invites travelers to enjoy the vibrant beauty of Culebra, but it's wise to stay prepared for the island's characteristic tropical storms. Discover more about how the climate in Culebra shapes your experience by visiting Culebra Climate.