Last updated: August 21, 2025
Experience August in La Fortuna, Costa Rica, where the tropical climate brings warmth and lush landscapes to life. With maximum temperatures reaching 31°C (89°F) and an average of 24°C (75°F), the days are warm yet comfortable, perfect for exploring the breathtaking scenery. Nights cool down to a minimum of 20°C (68°F), providing a pleasant respite from the day’s heat. However, expect generous rainfall, as August sees 295 mm (11.6 in) of precipitation over 29 days, making it one of the wetter months. The air is infused with a rich humidity of 85%, enhancing the vibrant atmosphere. Embrace the allure of La Fortuna’s tropical paradise while being prepared for its enchanting, albeit rainy, weather!
In August, La Fortuna, Costa Rica, welcomes warm and humid temperatures, with minimums around 20°C (68°F), an average of 24°C (75°F), and daytime peaks reaching 31°C (89°F). This month maintains a consistent warmth reminiscent of the preceding summer months, making it ideal for exploration and adventure. As the rainy season progresses, visitors can expect refreshing afternoon showers, creating lush landscapes and vibrant wildlife sightings. Overall, August offers a delightful blend of tropical warmth and rejuvenating rainfall, perfect for those looking to enjoy the natural beauty of this stunning region.
In August, La Fortuna experiences a significant precipitation peak, with 295 mm (11.6 in) of rainfall over 29 days. This month is part of the rainy season, which sees a noticeable uptick in wet days and total rainfall, following the pattern established in May, June, and July. As conditions remain consistently wet, visitors to this lush region can expect vibrant landscapes and the invigorating sounds of nature fueled by abundant rainfall. Aligning closely with July's precipitation, August underscores the area’s reputation for its lush biodiversity, making it an ideal time for those captivated by the beauty of a tropical rainforest. As the rain tapers off towards September, one can still revel in the enchanting scenery and remarkable wildlife that thrive in these humid conditions.
In August, La Fortuna experiences a significant spike in humidity, reaching a robust 85%. This trend follows a wet summer pattern, with humidity levels peaking in June and July at 81% and 88%, respectively. As the rainy season progresses, August maintains this high level, just slightly lower than July, before easing into a gradual decline in the following months, where September and October witness humidities of 84% and 82%. This consistent humidity through the heart of the rainy season emphasizes La Fortuna's lush, tropical landscape, offering a vibrant environment that thrives amidst the moisture.
In August, La Fortuna, Costa Rica, experiences a UV Index of 13, maintaining its status in the extreme exposure category. This month continues the trend observed in the preceding months, where the UV Index consistently hovers between 13 and 15, indicating the necessity for sun protection. Notably, the burn time remains at just 10 minutes across most of the year, emphasizing the potency of the sun in this lush region. As summer winds down, visitors should remain vigilant about sun safety—whether exploring the stunning waterfalls or hiking in the rainforest. For more detailed information, check out the comprehensive guide at La Fortuna UV Index.
UV Risk Categories
August in La Fortuna, Costa Rica, offers a delightful balance of sunshine, boasting around 250 hours of radiant daylight. While this is a dip compared to the dazzling months of March and April, which feature over 330 and 310 hours respectively, it's consistent with the overall trend of late summer—a time when the tropical paradise continues to delight visitors with warm weather. Moreover, the month ties with September for sunlight, ensuring that even during the heart of the rainy season, La Fortuna maintains its charm, making it an ideal escape for those seeking a vibrant blend of lush landscapes and tropical sunshine. The ebb and flow of daylight hours through the year highlight the enchanting allure of this beloved destination.
In La Fortuna, Costa Rica, August is notably the month with the lowest chance of sunny weather, boasting only a 7% likelihood of clear skies. This trend fits into a broader pattern where the sun increasingly shies away during the rainy season, with summer months like June and July also presenting less than 20% chance of sunshine. As the region transitions from the dry climate of early year months, such as January and February (which enjoy probabilities of 37% and 42%, respectively), the likelihood of experiencing sunny days dwindles significantly. For travelers seeking bright and sunny conditions, it might be wise to plan their visit outside of this particularly overcast month.
In La Fortuna, Costa Rica, the rhythm of daylight brings a unique charm throughout the year. August sees a consistent 12 hours of daylight, mirroring the trend established in the preceding months of April through July and continuing into September. This moderate and even distribution of daylight hours allows visitors to fully embrace the beauty of the lush landscapes and captivating wildlife. As the month transitions into the shoulder seasons of October and November, daylight begins to wane, reminiscent of the earlier months of January, February, and December, when daylight dips back to 11 hours. The steady duration of sunlight in August presents an ideal opportunity for engaging in outdoor adventures and soaking in the vibrant culture of this enchanting region.
In August, La Fortuna experiences its calmest winds of the year, with an average speed of just 1.4 m/s (3 mph). This gentle breeze is part of a larger trend that sees wind speeds generally decline as the rainy season progresses from May to August, creating a serene atmosphere perfect for enjoying the lush surroundings. As the region shifts towards drier months in November and December, average wind speeds begin to rise again, suggesting a refreshing transition that invigorates the landscape. This dynamic pattern not only highlights the serenity of August but also reflects the unique climate variations that make La Fortuna a fascinating destination year-round.
Weather in La Fortuna varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in La Fortuna, focusing on differences in temperature, rainfall, humidity, and UV levels.
In August, the weather is significantly warmer and more humid, with average temperatures ranging from a minimum of 20°C (68°F) to a maximum of 31°C (89°F). This month experiences heavy rainfall, averaging 295 mm (11.6 in) spread over 29 days, leading to a high humidity level of 85%. In contrast, January offers a milder climate, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 29°C (84°F). With only 99 mm (3.9 in) of precipitation over 13 days and lower humidity at 71%, January provides a more comfortable environment for outdoor activities. For further insights into January's weather conditions, you can check La Fortuna weather in January.
When comparing the weather in August and February, some notable differences emerge. August tends to be much wetter, receiving 295 mm of precipitation across 29 days, while February has just 23 mm of rain over only 5 days. In terms of temperature, both months can reach a maximum of around 31°C (88°F), but August has an average temperature of 24°C (75°F) compared to February's 23°C (73°F). Additionally, humidity levels are higher in August at 85%, compared to February's 70%. For a more detailed look at February's climate, you can check La Fortuna weather in February.
When comparing the weather in August and March, several notable differences emerge. August tends to be significantly wetter, receiving 295 mm of precipitation over 29 days, while March only experiences 28 mm of rain across just 6 days. The temperatures are relatively mild in both months, with March having slightly cooler minimum and average temperatures (minimum 17°C, average 23°C) compared to August's minimum of 20°C and average of 24°C. Additionally, August is characterized by high humidity levels at 85%, making it feel much more humid than the 68% experienced in March. For more detailed information, you can check La Fortuna weather in March.
When comparing the weather in August and April, one can observe notable differences. August typically witnesses warm temperatures, with a minimum of 20°C (68°F) and a maximum reaching up to 31°C (89°F), while April experiences slightly cooler nights with a minimum of 17°C (64°F) and a higher maximum temperature of 32°C (90°F). Precipitation levels are significantly higher in August, with a total of 295 mm (11.6 in) spread over 29 days, compared to April's 72 mm (2.8 in) over just 13 days. Additionally, humidity is more pronounced in August at 85%, while April maintains a relatively lower humidity level of 69%. For more detailed information, you can explore La Fortuna weather in April.
In comparing the weather between August and May, both months exhibit warm temperatures, with August showing a minimum temperature of 20°C (68°F) and an average of 24°C (75°F), while May has a slightly lower minimum of 19°C (67°F) and the same average of 24°C (76°F). August typically reaches a maximum of 31°C (89°F), compared to May, which peaks at a slightly higher 32°C (91°F). However, August experiences more rainfall, with 295 mm (11.6 in) spread over 29 days, compared to May's 308 mm (12.1 in) over 26 days. Moreover, the humidity level is notably higher in August at 85%, while May maintains a more moderate humidity of 70%. For more detailed information, you can check La Fortuna weather in May.
When comparing the weather in August and June, both months exhibit similar temperature ranges, with minimum temperatures of 20°C (68°F) and maximum temperatures peaking at 31°C (89°F), while averaging around 24°C (75°F). However, August sees slightly lower precipitation at 295 mm (11.6 in) compared to June's 312 mm (12.3 in), indicating that June might experience a slightly wetter climate, despite both months receiving rain on approximately 29 days. Additionally, August has a higher humidity level at 85%, compared to June’s 81%, making August feel a bit more muggy. For a closer look at June's weather specifics, you can refer to La Fortuna weather in June.
In comparing the weather between July and August, both months exhibit similar temperature ranges, with July having a maximum of 30°C (87°F) and August slightly warmer at 31°C (89°F). However, August sees a notable increase in precipitation, totaling 295 mm (11.6 in) over 29 days, compared to July's 253 mm (10.0 in) over 28 days. This results in slightly higher humidity levels in August, averaging 85% compared to July's 88%. For more detailed insights on July weather, you can visit La Fortuna weather in July.
August and September weather show notable similarities, with both months experiencing a minimum temperature of 20°C (68°F), an average of 24°C (75°F), and a maximum reaching 31°C (89°F in August and 88°F in September). However, September sees slightly less precipitation at 277 mm (10.9 in) compared to August's 295 mm (11.6 in), while maintaining the same number of rainy days at 29. The humidity remains high in both months, but September is marginally lower at 84% compared to August's 85%. For more detailed insights, you can check out La Fortuna weather in September.
In August, temperatures range from a minimum of 20°C (68°F) to a maximum of 31°C (89°F), with an average temperature of 24°C (75°F). The month is characterized by high precipitation, totaling 295 mm (11.6 in) over 29 days, and humidity levels are quite high at 85%.
In contrast, October also has a temperature range of 20°C (67°F) to 30°C (86°F) with the same average of 24°C (75°F). However, October sees even more rainfall, with 398 mm (15.7 in) also spread over 29 days, and slightly lower humidity at 82%. This makes October a wetter month overall compared to August. For more details, check out La Fortuna weather in October.
In August, the weather is generally warmer and more humid, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 31°C (89°F) and high precipitation levels of 295 mm (11.6 in) spread over 29 days. Contrastingly, November features slightly cooler temperatures, with a minimum of 19°C (66°F) and a maximum of 29°C (84°F), along with lower total precipitation of 259 mm (10.2 in) over 27 days. Although both months experience high humidity, November is marginally drier and less humid at 81%. For more specific details on weather conditions, check out La Fortuna weather in November.
In August, the weather tends to be hotter and more humid, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 31°C (89°F) and an average of 24°C (75°F). The month experiences significant rainfall, accumulating about 295 mm (11.6 in) over 29 days, resulting in a high humidity level of 85%. In contrast, December sees slightly cooler temperatures, with minimums around 17°C (63°F), maximums reaching 29°C (84°F), and an average temperature of 23°C (73°F). Precipitation in December is also reduced, totaling about 180 mm (7.1 in) over 22 days, contributing to a more comfortable humidity level of 74%. For more information, you can refer to La Fortuna weather in December.
August in La Fortuna presents a unique blend of warm temperatures and high humidity, setting it apart from the milder dry seasons. With an average temperature hovering around 24°C (75°F), it's generally pleasant, yet the frequency of rainfall—with nearly every day experiencing precipitation—adds a humidity spike, making the air feel quite heavy. The lush landscapes thrive under the abundant rainfall, emphasizing the region's vibrant natural beauty during this month. For those looking to explore this enchanting destination, being prepared for wet conditions will enhance the experience. For further insights into the weather patterns, check out La Fortuna Climate.