Last updated: August 21, 2025
Experience the vibrant August weather in Puntarenas, Costa Rica, where temperatures reach a warm maximum of 30°C (87°F) and maintain a comfortable average of 25°C (78°F). Nights cool down slightly, with lows around 22°C (72°F). While the month is characterized by high humidity at 82%, it also brings significant rainfall, totaling 421 mm (16.6 in) across 31 rainy days. Visitors should prepare for a lush, tropical experience, perfect for immersing in the region’s natural beauty.
In August, Puntarenas, Costa Rica experiences a pleasant tropical climate, with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 30°C (87°F). The average temperature dips slightly to 25°C (77°F), reflecting the transition into the rainy season. Compared to the hotter months earlier in the year, such as March and April, where highs can reach up to 34°C (93°F), August offers a more moderate and comfortable warmth, perfect for exploring the lush landscapes and vibrant biodiversity that the region is known for. As the rainy season begins to influence weather patterns, visitors can expect a refreshing rain shower amidst the warm temperatures, creating a delightful tropical experience.
August in Puntarenas, Costa Rica, mirrors the region's peak rainy season, showcasing an impressive precipitation total of 421 mm (16.6 in) over the month. With rain gracing the landscape for 31 days, the lush surroundings truly come to life. This substantial rainfall follows July's similarly heavy downpour, where 365 mm (14.4 in) fell, and it sets the stage for the approaching October deluge, expected to be even more significant. The trend is unmistakable: as the wet season progresses from May’s staggering 424 mm (16.7 in) to August's consistent rainfall, residents and visitors alike experience the vibrant transformation of this coastal paradise, where verdant foliage flourishes under the abundant rainfall.
In Puntarenas, Costa Rica, August experiences a notable drop in humidity, settling at 82%. This is a slight decrease from the peak levels of 84% in June and 85% in July, indicating a subtle transition as the season shifts. Overall, the humidity varies throughout the year, starting from 68% in January and February, gradually increasing to its highest during the wet months of mid-year. By September, humidity slightly lowers to 81%, showing a trend towards drier conditions as the dry season approaches. The fluctuation in humidity levels throughout the year can give visitors a sense of the region's tropical climate, creating an inviting atmosphere blended with occasional rain.
In August, Puntarenas, Costa Rica, continues to experience an extreme UV Index of 13, maintaining the high exposure levels seen throughout the early months of the year. This trend of elevated UV ratings is consistent, with values reaching 14 from March through June, reminding sun-seekers to take precautions against the intense sunlight. The short burn time of just 10 minutes serves as a crucial warning for outdoor enthusiasts and beachgoers, highlighting the need for diligent sun protection. As summer transitions into the wetter months, the UV Index remains firmly in the extreme category, emblematic of Puntarenas' vibrant tropical climate. For more detailed information, check the comprehensive Puntarenas UV Index.
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In August, the sun graces Puntarenas, Costa Rica, with a respectable 247 hours of bright daylight, a slight dip compared to the lively summer months that precede it. Following a peak of 332 hours in March, the sunshine hours gradually decline, marking the transition into the lush greenery of the rainy season. While August doesn't boast the brilliance of earlier months, it still offers travelers a pleasant blend of warm sunshine and refreshing tropical showers. As the year progresses, sunlight hours slightly rebound in September and October, hinting at a resilient charm that continues to allure visitors, even as nature embraces its seasonal beauty.
August in Puntarenas, Costa Rica, typically experiences a notable decline in sunny weather, with only a 7% chance of sunshine. This stark contrast to the sun-drenched months of January and February, which boast probabilities of 59% and 61% respectively, highlights the shift towards the region's rainy season. Following a trend, the sun chances drop significantly from April’s 28% as the lush green landscape emerges in response to the increasing rains. As the month progresses into September and October, the likelihood of sun doesn't improve much, indicating that if you're planning a visit in August, it might be best to embrace the embellishing beauty of Costa Rica's verdant scenery rather than relying on sunny skies.
In August, Puntarenas, Costa Rica enjoys a delightful 12 hours of daylight, continuing a trend of consistency that begins in March and spans through September. This steady duration of sunlight not only enhances the region's vibrant atmosphere but also invites both locals and tourists to partake in a plethora of outdoor activities. Following the long, sunlit days of summer, the daylight gradually decreases as the year progresses, culminating in October, where it dips back to 11 hours. This predictable rhythm of daylight throughout the year contributes to the rich biodiversity and cultural vibrancy that Costa Rica is renowned for, making the month of August a perfect time to experience the beauty of this tropical paradise.
In August, the tranquil breezes of Puntarenas, Costa Rica bring a gentle calm, with average wind speeds lingering at 1.5 m/s (3 mph). This consistent, mild flow encapsulates the essence of the region's late summer, as the winds reflect a downward trend from the slightly more invigorating gusts experienced earlier in the year. While January through March enjoy breezier days, peaking at 2.1 m/s (5 mph), the summer months settle into a serene stillness. As the year progresses into the latter months, September and October follow suit, with similar subdued winds, highlighting a seasonal rhythm that invites relaxation and appreciation of the lush landscapes. The weather here, characterized by its gentle winds, creates a perfect backdrop for leisurely activities along the coast, allowing visitors to savor the beauty of Puntarenas without the distraction of stronger gusts.
Weather in Puntarenas varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Puntarenas, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in August and January, it's clear that August tends to be much wetter and more humid. August experiences average temperatures ranging from a minimum of 22°C (72°F) to a maximum of 30°C (87°F), but it also sees a significant amount of precipitation, with 421 mm (16.6 in) falling over 31 days. In contrast, January enjoys slightly warmer temperatures, averaging between 20°C (69°F) and 32°C (90°F), but it features much lower precipitation levels of only 29 mm (1.1 in) over just 8 days, along with a lower humidity of 68%. This makes January a more enjoyable month for outdoor activities, compared to the relatively wet August. For more detailed information, check out Puntarenas weather in January.
August and February present contrasting weather patterns. In August, temperatures range from a minimum of 22°C (72°F) to a maximum of 30°C (87°F), with an average of 25°C (78°F). This month is characterized by high humidity at 82% and significant rainfall, totaling 421 mm (16.6 in) over 31 days. In sharp contrast, February experiences slightly warmer minimum and maximum temperatures, with lows of 20°C (68°F) and highs reaching 33°C (92°F), averaging 26°C (80°F). The month is drier, with only 14 mm (0.5 in) of rain across just 4 days and a lower humidity level of 68%. For more detailed insights into February weather, check out Puntarenas weather in February.
When comparing the weather in August and March, August tends to be significantly wetter and more humid. In August, temperatures range from a minimum of 22°C (72°F) to a maximum of 30°C (87°F), with an average of 25°C (78°F). However, it experiences heavy rainfall, with 421 mm (16.6 in) of precipitation spread over 31 days, resulting in a high humidity level of 82%.
In contrast, March typically sees warmer temperatures, with a minimum of 21°C (71°F) and a maximum of 34°C (93°F), averaging around 27°C (81°F). The month is much drier, with only 20 mm (0.8 in) of precipitation over just 5 days, leading to a lower humidity of 66%. For more details about the weather during this month, you can check out Puntarenas weather in March.
When comparing the weather in August and April, notable differences emerge. August experiences a slightly lower average temperature at 25°C (78°F), with a maximum of 30°C (87°F), while April can reach up to 33°C (91°F) with an average temperature of 26°C (79°F). Humidity levels are higher in August at 82%, compared to 67% in April, which can make the air feel more oppressive during the summer month. Additionally, August sees significantly more rainfall, with 421 mm (16.6 in) over 31 days, compared to just 147 mm (5.8 in) over 25 days in April. For a detailed look at April's climate, Puntarenas weather in April offers further insights.
When comparing the weather in August and May, we observe notable similarities and some differences. Both months experience warm temperatures, with May having a slightly higher average of 26°C (78°F) compared to August's 25°C (78°F). However, August tends to have a higher maximum temperature at 30°C (87°F), while May peaks at 31°C (88°F). Precipitation levels are similar, with August receiving 421 mm (16.6 in) and May close behind at 424 mm (16.7 in), both spread over 31 days. Humidity also varies, with August being much more humid at 82%, compared to May's more comfortable 69%. For more details on May weather, you can visit Puntarenas weather in May.
In comparing the weather of August and June, both months experience similar temperature ranges, with August showing a minimum of 22°C (72°F), an average of 25°C (78°F), and a maximum of 30°C (87°F). In contrast, June has a marginally higher average temperature at 26°C (78°F) and a maximum of 31°C (87°F). Precipitation levels are identical for both months, featuring 421 mm (16.6 in) spread over 30-31 days, with August experiencing slightly lower humidity at 82% compared to June's 84%. For a more detailed look at June's weather, you can visit Puntarenas weather in June.
Comparing the weather in August to July reveals some notable differences. August experiences slightly cooler temperatures, with a minimum of 22°C (72°F) and a maximum of 30°C (87°F), whereas July has a minimum of 23°C (73°F) and a maximum of 31°C (87°F). Both months showcase similar average temperatures, around 25°C (78°F). However, August sees a higher level of precipitation at 421 mm (16.6 in) compared to July's 365 mm (14.4 in), with both months experiencing rainfall on approximately 30 to 31 days. Humidity levels are also elevated in August at 82%, slightly lower than July's 85%. For those interested in a more detailed look at July's weather, please visit Puntarenas weather in July.
August and September share similar weather patterns, with both months featuring minimal temperatures of 22°C (72°F), average temperatures around 25°C (78°F in August and 77°F in September), and maximum temperatures reaching up to 30°C (87°F in August and 86°F in September). Precipitation levels are also comparable, with August receiving 421 mm of rain over 31 days, while September sees a slightly higher total of 422 mm over 30 days, resulting in a humid environment with relative humidity hovering around 82% in August and 81% in September. For more detailed information, check out Puntarenas weather in September.
In comparing the weather between August and October, both months showcase relatively warm temperatures with a minimum of 22°C (72°F) and an average around 25°C (77°F). However, August experiences slightly higher maximum temperatures, reaching up to 30°C (87°F), while October peaks at 29°C (85°F). Notably, October sees a significant increase in precipitation, with 643 mm (25.3 in) compared to August's 421 mm (16.6 in), despite having only one fewer day of rainfall. Humidity remains similar between the two months, with October at 80% and August at 82%. For more detailed insights on October weather, you can visit Puntarenas weather in October.
In August, the weather tends to be warmer and wetter compared to November, with average temperatures ranging from a minimum of 22°C (72°F) to a maximum of 30°C (87°F). This month sees heavy precipitation totaling 421 mm (16.6 in) over 31 days, accompanied by high humidity at 82%. In contrast, November maintains similar average temperatures, but experiences less rainfall, with only 275 mm (10.8 in) over 29 days and slightly lower humidity at 80%. For more detailed insights on the November climate, you can visit Puntarenas weather in November.
In August, the weather tends to be quite humid and rainy, with average temperatures hovering around 25°C (78°F) and significant precipitation of 421 mm (16.6 in) spread over 31 days. In contrast, December offers a slightly drier experience, with much less rainfall at 89 mm (3.5 in) over 20 days, while temperatures remain similar, ranging from a minimum of 21°C (70°F) to a maximum of 31°C (89°F). The humidity also decreases to 72% in December, making the overall conditions feel more comfortable. For more details, you can check out Puntarenas weather in December.
August in Puntarenas offers a unique blend of warm temperatures and abundant rainfall, setting it apart from other months of the year. With an average high of 25°C, the atmosphere is pleasantly warm, yet the notable humidity levels at 82% can make it feel quite muggy. This month typically experiences consistent precipitation, resulting in 421 mm of rain spread over 31 days, ensuring the landscape remains lush and vibrant. While other months may see drier spells, August embraces the tropical essence of Puntarenas, making it a fascinating time to experience the region’s natural beauty. To learn more about how this month compares to others, visit Puntarenas Climate.