Last updated: August 21, 2025
Experience the tropical charm of Santa Ana, Costa Rica in August, where temperatures range from a pleasant 16°C (60°F) at night to a warm 28°C (82°F) during the day, averaging around 20°C (69°F). This time of year brings significant rainfall, with 331 mm (13.0 in) distributed over 26 rainy days, creating a lush landscape. The humidity averages 82%, contributing to the region's vibrant vegetation and lush scenery. Whether you're exploring the local flora or seeking relaxation, August offers a unique blend of warmth and refreshing showers in this picturesque Central American locale.
In August, Santa Ana, Costa Rica, experiences a pleasant range of temperatures, with minima averaging 16°C (60°F) and maxima reaching up to 28°C (82°F). This month's average temperature of 20°C (69°F) reflects a slight dip from the sunnier months before it, such as April and May, where temperatures were a bit warmer. The weather remains comfortably mild, perfect for those looking to explore the lush landscapes that come alive during the wet season. As the rain begins to nourish the surroundings, visitors can enjoy the refreshing atmosphere without extreme heat, making August an ideal time for both relaxation and adventure in this tropical paradise.
August in Santa Ana, Costa Rica, marks a significant peak in the region's rainy season, with 331 mm (13.0 in) of precipitation recorded over 26 rainy days. This robust rainfall continues the trend established in previous months, where the wet season steadily intensified, following May's staggering 391 mm and June's 351 mm. As August transitions into September, the region braces for even higher precipitation levels, with September expected to receive 436 mm (17.2 in)—further emphasizing the lush landscape that flourishes during this period. The consistent rainfall not only contributes to the vibrant ecosystem but also highlights the importance of preparation for both residents and visitors alike navigating the lush, yet wet, beauty of Costa Rica.
August in Santa Ana, Costa Rica, showcases a notable humidity level of 82%, characteristic of the region's tropical climate. Following the peak humidity months of June and July, which reach 84% and 85% respectively, August experiences a slight decrease but remains significantly elevated. This trend highlights the wet season's grip on the area, as humidity levels begin to taper off into September at 81%. Overall, the summer months consistently feature high humidity, with early months like January and February maintaining a more comfortable 68%, making them ideal for outdoor activities before the heavy rains set in. The shift in humidity levels throughout the year underscores the dynamic weather patterns that define this vibrant region.
In August, the UV Index in Santa Ana, Costa Rica reaches a striking 13, classifying it under the extreme exposure category and maintaining a consistent burn time of just 10 minutes—a trend that has persisted throughout much of the year. From January through April, the UV Index peaks at 15, indicating severe sun intensity, and it remains high across the summer months, only slightly dipping to 13 in August and September. With such consistently elevated UV levels, it's crucial for residents and visitors alike to take precautions against sun exposure. To learn more about the UV Index variations and stay sun-safe, check out Santa Ana UV Index.
UV Risk Categories
August in Santa Ana, Costa Rica, greets visitors with a gentle embrace of sunshine, accumulating around 213 hours of bright daylight. While this marks a slight dip from the vibrant 329 hours experienced in March, it still maintains a relatively sunny disposition compared to the early summer months, notably June and July, which hover around the low 200s. After the lively months of January through April, where sunshine peaks, August signals a subtle transition into the rainy season without dampening the spirit of outdoor adventures. As the year progresses, the sun's embrace begins to revive in September and October, ensuring that even in August, Santa Ana remains a delightful destination for those seeking warmth.
In Santa Ana, Costa Rica, the likelihood of sunny weather takes a sharp dip during August, with only a 6% chance of clear skies. This trend reflects a broader pattern seen in the region, where the months leading up to August, such as June and July, also register low probabilities of sunshine, hovering around 14% and 17% respectively. As the rainy season reaches its peak, the sun hides behind clouds more often, contrasting sharply with the sunnier months of January and December, which boast probabilities over 50%. If you're hoping for beach days or outdoor adventures, consider planning your visit for other times of the year when the sun's presence is far more reliable.
In August, Santa Ana, Costa Rica enjoys a pleasant 12 hours of daylight, continuing the trend established in the preceding months. This consistent duration is part of a broader pattern observed from March through September, where the sun graces the sky for half a day, allowing both residents and visitors ample opportunity to explore the lush landscapes and vibrant culture. As the year progresses towards the end of summer, the daylight hours gradually taper off, with shorter days returning in October. However, August stands out as part of a delightful mid-year plateau, where the warm, extended evenings are perfect for enjoying everything this beautiful region has to offer.
In Santa Ana, Costa Rica, the August wind is notably gentle, with an average speed of just 1.1 m/s (3 mph), making it one of the calmest months of the year. This tranquil air can be seen as a transition point; following a slow decline from the previous months, August marks the nadir before a slight uptick in winds as the year progresses into November. In contrast to the breezier December and January, when winds pick up to 2.1 m/s and 2.4 m/s, respectively, the August calm invites a serene atmosphere, perfect for enjoying the lush surroundings without the interruption of strong gusts. As September rolls in, the winds begin to regain strength, hinting at the cyclical rhythm of weather in this vibrant region.
Weather in Santa Ana varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Santa Ana, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January exhibit notable differences in weather patterns. August typically sees a warmer climate with an average temperature of 20°C (69°F) and maximum highs reaching 28°C (82°F). However, it also experiences significant rainfall, with 331 mm (13.0 in) of precipitation spread over 26 days, resulting in high humidity levels at 82%. In contrast, January features a similar average temperature of 20°C (68°F) but with lower maximum temperatures of 27°C (82°F) and minimal precipitation of just 32 mm (1.3 in) across only 6 days. The humidity in January is also lower at 68%, making it feel less muggy compared to August. For more details, you can check Santa Ana weather in January.
August and February present quite different weather patterns despite their similar average temperatures. In August, temperatures range from a cooler 16°C (60°F) at night to a warm 28°C (82°F) during the day. However, it is a notably wet month, with an average precipitation of 331 mm (13.0 in) spread over 26 days, leading to high humidity levels of 82%. In contrast, February sees slightly milder nights with a minimum temperature of 13°C (56°F) while maintaining daytime highs around 28°C (83°F). The month is much drier, with only 13 mm (0.5 in) of rain falling over just 3 days and lower humidity at 68%. For a detailed look at February's weather in the region, you can visit Santa Ana weather in February.
When comparing the weather in August and March, it's clear that both months feature similar maximum temperatures, with highs reaching around 28°C (82°F) in both instances. However, August tends to be much wetter, with total precipitation measuring 331 mm (13.0 in) spread over 26 days, reflecting a heavy rainy season. In contrast, March is significantly drier, receiving only 15 mm (0.6 in) over just 4 days, making it a much more pleasant time to be outdoors. Additionally, humidity levels in August are notably higher at 82%, compared to a more comfortable 66% in March. For more information about the weather specific to this month, you can check Santa Ana weather in March.
When comparing the weather in August and April, it is evident that both months present warmer temperatures, but April tends to be slightly warmer on average, with an average temperature of 21°C (70°F) compared to August's 20°C (69°F). However, August experiences more significant precipitation, receiving 331 mm (13.0 in) over 26 days, while April sees much less at 79 mm (3.1 in) over just 16 days. Additionally, the humidity is higher in August at 82%, compared to April's 67%, contributing to a more muggy feel during that month. For a closer look at April's weather specifics, check out Santa Ana weather in April.
In comparing the weather of August and May, we find that both months exhibit similar temperature ranges, with minimums around 16°C and maximums reaching up to 28°C. However, May tends to be slightly warmer on average at 21°C compared to August's 20°C. Precipitation levels are notably higher in May, with 391 mm over 27 days, compared to August's 331 mm of rain across 26 days. Additionally, humidity levels are more pronounced in August at 82%, while May maintains a lower humidity of 69%. For more details on the weather in May, you can visit Santa Ana weather in May.
In comparing the weather of August and June, we see that both months have similar minimum temperatures, averaging around 16°C (60°F). However, June typically has a slightly higher average temperature of 21°C (70°F), compared to August's 20°C (69°F). The maximum temperatures are also comparable, with June peaking at 27°C (81°F) and August at 28°C (82°F). When it comes to precipitation, June is slightly wetter, receiving 351 mm (13.8 in) over 27 days, while August sees 331 mm (13.0 in) across 26 days. Humidity levels are quite close as well, with June at 84% and August at 82%. For more detailed weather statistics, you can refer to Santa Ana weather in June.
In comparing the weather between July and August, we see notable differences. August experiences a slightly lower average temperature of 20°C (69°F), compared to July’s 21°C (69°F). While the minimum temperatures remain similar, August records a maximum of 28°C (82°F), slightly higher than July's 27°C (81°F). Precipitation levels rise significantly in August, reaching 331 mm (13.0 in) over 26 days, contrasting with July's 233 mm (9.2 in) over the same number of days. Additionally, humidity in August is marginally lower at 82%, compared to July's 85%. For further details about the weather during July, you can visit Santa Ana weather in July.
In comparing the weather of August and September, both months exhibit similar average temperatures, hovering around 20°C (69°F). However, August features slightly warmer maximum temperatures of 28°C (82°F) compared to September's 27°C (80°F). Precipitation levels rise notably in September, with a total of 436 mm (17.2 in) over 28 days, compared to August's 331 mm (13.0 in) over 26 days. Additionally, humidity remains relatively high in both months, with August at 82% and September slightly lower at 81%. For more detailed insights about September's weather, visit Santa Ana weather in September.
In comparing the weather between August and October, both months exhibit similar average temperatures, with August having a minimum of 16°C and an average of 20°C, while October features a slightly lower minimum of 15°C, with a comparable average of 20°C as well. However, October experiences higher precipitation, totaling 570 mm over 29 days, compared to August's 331 mm across 26 days. Humidity levels are slightly lower in October at 80%, compared to 82% in August. For a more detailed look at the climate in October, you can check Santa Ana weather in October.
August and November present a contrast in weather patterns, with August being slightly warmer and wetter than November. In August, temperatures range from a minimum of 16°C (60°F) to a maximum of 28°C (82°F), while November sees temperatures between 15°C (59°F) and 26°C (79°F). Precipitation is notably heavier in August, with 331 mm (13.0 in) over 26 days, compared to November's 209 mm (8.2 in) across 19 days. Humidity levels are also quite similar, with August at 82% and November at 80%. For a closer look at November's weather specifics, visit Santa Ana weather in November.
In August, the weather is characterized by warmer temperatures, with daily averages around 20°C (69°F) and highs reaching up to 28°C (82°F). However, this month is also marked by heavy rainfall, totaling 331 mm (13.0 in) over 26 days, contributing to a high humidity level of 82%. In contrast, December offers slightly cooler temperatures, with a minimum of 15°C (58°F) and a maximum of 26°C (80°F), and a much drier climate, featuring only 63 mm (2.5 in) of precipitation over 11 days. The lower humidity of 72% in December enhances the overall comfort of the weather. For more details, you can check out Santa Ana weather in December.
As August rolls in, Santa Ana experiences a distinct shift in weather that sets it apart from other months. With higher humidity levels and a notable increase in precipitation, this month is characterized by frequent rain showers, transforming the landscape into a lush paradise. While temperatures remain mild, peaking at around 28°C, the overall atmosphere feels more humid and invigorating. This unique blend of warmth and moisture not only nurtures the vibrant flora but also invites residents and visitors alike to embrace the refreshing tropical essence of the season. For more detailed insights into what to expect throughout the year, check out Santa Ana Climate.