Last updated: August 21, 2025
August in Santa Cruz, Costa Rica, is characterized by warm and humid conditions, with maximum temperatures soaring up to 35°C (95°F) while the average hovers around 26°C (80°F). Expect pleasant evenings where temperatures dip to a minimum of 22°C (71°F). However, this month is also notable for its significant rainfall, with an average precipitation of 290 mm (11.4 in) spread over approximately 25 days, contributing to the lush tropical landscape. With humidity levels reaching 82%, outdoor activities may be best enjoyed during the cooler parts of the day or with adequate hydration and sun protection.
In August, Santa Cruz, Costa Rica experiences a delightful blend of warmth and mildness. With nighttime lows averaging around 22°C (71°F), the temperature provides a comfortable start to the day. As the sun rises, the average daytime temperature settles at 26°C (80°F), a slight dip compared to the hotter months preceding it. The peaks reach around 35°C (95°F), maintaining the region’s reputation for warmth but without the extreme highs seen earlier in the summer. This pattern suggests a transition into a cooler season, offering a refreshing break for both locals and visitors, while still allowing for plenty of sunshine to enjoy the vibrant landscape.
August in Santa Cruz, Costa Rica, is marked by significant rainfall, with 290 mm (11.4 in) over 25 days of precipitation, indicating that the rainy season is in full swing. This month stands out as one of the wettest, nearly paralleling the downpours of May and surpassing those of July. As the region transitions from the height of the rainy season into September, the lush landscapes flourish under the frequent showers, reflecting a vibrant ecosystem supported by the abundant moisture. The pattern of consistent rainfall in August sets the stage for the heavier rains expected in the months ahead, showcasing the dynamic climate of this beautiful area.
In August, Santa Cruz, Costa Rica experiences a notable dip in humidity compared to the preceding month of July, where it peaks at a steamy 85%. At 82%, August remains humid, but this slight decrease can be attributed to the easing of the mid-year rainy season. The trend of rising humidity from the beginning of the year, starting at 66% in January and gradually escalating to this summer peak, underscores the seasonal shifts in Central America. As the year progresses into the fall with September's humidity at 80%, slight fluctuations are observed, yet overall humidity levels remain relatively high throughout the year, creating that lush, tropical atmosphere synonymous with this vibrant region.
In August, Santa Cruz, Costa Rica, continues to experience an extreme UV Index of 13, slightly lower than the peak levels seen earlier in the year. This reading reflects a consistent trend of high UV exposure from January to July, where the index topped out at 14. Residents and visitors alike should remain vigilant, as even with a slight dip in August, the burn time remains a mere 10 minutes. Moving into the late months, the index begins to taper downwards, suggesting a gradual shift in conditions. It's crucial to protect your skin throughout the year, and for those looking for more detailed insights, check out the Santa Cruz UV Index.
UV Risk Categories
In Santa Cruz, Costa Rica, August continues the trend of abundant sunshine that characterizes the region's vibrant climate. With 278 hours of sunlight, this month enjoys a warm embrace from the sun, following closely behind the lively July at 312 hours. While not the sunniest month, August's sunshine hours still reflect the consistent brightness that envelops the area, with only a slight dip compared to previous months. As the year progresses, the light begins to slightly wane, leading into the greener, cooler September with 268 hours. This pattern showcases Santa Cruz as a destination where sunshine is both plentiful and dependable, enticing visitors to bask in its warm glow even as the seasons shift.
In Santa Cruz, Costa Rica, August marks a significant shift in the weather pattern, with only a 7% chance of sunny days. This stark contrast to the sunnier months earlier in the year showcases the typical rainy season in the region. As we step into August, the likelihood of rain increases dramatically following a peak in sunshine during January and December, which boast 60% and 72% clear skies respectively. The steady decline from the early months culminates in this notably cloudy period, emphasizing the need for visitors to prepare for wet weather. With just 7% chance of sunshine, August is best suited for those who enjoy the lush, vibrant landscape rather than beach days under the sun.
In August, Santa Cruz, Costa Rica, enjoys a consistent 12 hours of daylight, joining the other mid-year months in providing a perfect balance of sunshine. This month, like its predecessors of March through July, offers a generous stretch of daylight, allowing residents and visitors to embrace outdoor activities under the warm tropical sun. Interestingly, the daylight duration remains stable as summer wanes, before gradually tapering off in the fall months of October and November, when daylight decreases to 11 hours. This harmonious blend of brightness in August makes it an ideal time for exploration, relaxation, and enjoying the natural beauty of the region.
In Santa Cruz, Costa Rica, the wind takes on a gentle tone in August, with average speeds dipping to 1.4 m/s (3 mph). This month marks a noticeable transition, as the winds, which were more spirited earlier in the year, begin to soften through the mid-summer. From a peak in March at 4.0 m/s (9 mph), the decline continues, creating a calm and tranquil atmosphere ideal for leisurely beach days and relaxed outdoor activities. As August progresses into September and October, the winds remain mild, hovering around 1.2 to 1.3 m/s (3 mph), indicating a serene yet captivating blend of warm tropical breezes and the lush landscape that envelops this beautiful coastal town.
Weather in Santa Cruz varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Santa Cruz, 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 22°C (71°F) to a maximum of 35°C (95°F), with an average of 26°C (80°F). This month is characterized by high humidity at 82% and significant precipitation, totaling 290 mm (11.4 in) over 25 days. In stark contrast, January sees a lower minimum temperature of 17°C (64°F) and a similar average of 27°C (81°F), peaking at 36°C (97°F). The dry season in January results in minimal rainfall, with only 12 mm (0.5 in) over just 2 days and a reduced humidity of 66%. For a closer look at January weather specifics, check out Santa Cruz weather in January.
August and February present notably different weather patterns. In August, temperatures range from a minimum of 22°C (71°F) to a maximum of 35°C (95°F), with an average of 26°C (80°F). This month is characterized by high humidity at 82% and considerable precipitation of 290 mm (11.4 in) spread over 25 days. In contrast, February boasts warmer conditions with temperatures varying from a minimum of 19°C (66°F) to a scorching maximum of 37°C (99°F), while maintaining a more moderate average of 28°C (82°F). February is much drier, receiving only 2 mm (0.1 in) of precipitation over zero rainy days, and the humidity drops to 64%. For more details on February weather, visit Santa Cruz weather in February.
In August, the weather is characterized by higher humidity and considerable precipitation, with temperatures averaging around 26°C (80°F) and maxing out at 35°C (95°F). The month experiences significant rainfall, totaling 290 mm (11.4 in) over 25 days, making it one of the wettest periods of the year. In contrast, March presents a drier and warmer climate, featuring an average temperature of 28°C (83°F) and peak temperatures reaching up to 37°C (99°F). With only 4 mm (0.1 in) of precipitation over the entire month and humidity levels at a lower 63%, March offers a much more comfortable outdoor experience. For more details, you can explore Santa Cruz weather in March.
In comparing the weather conditions of August and April, we find notable differences. August typically experiences a cooler average temperature of 26°C (80°F), whereas April can reach higher averages of up to 29°C (84°F) with maximum temperatures soaring to 39°C (102°F). Additionally, April enjoys significantly less rainfall, with only 51 mm (2.0 in) over about 9 days, in contrast to August's heavier precipitation of 290 mm (11.4 in) over 25 days. The humidity levels are also lower in April at 63%, compared to August's high humidity of 82%. For more detailed insights into April's weather, you can refer to Santa Cruz weather in April.
In comparing the weather between August and May, both months experience high temperatures and significant precipitation, but with some notable differences. May tends to be slightly warmer, with an average temperature of 28°C (82°F) and a maximum reaching up to 38°C (101°F). In contrast, August averages at 26°C (80°F) with a maximum of 35°C (95°F). Precipitation levels are fairly comparable, with May receiving 286 mm (11.2 in) over 22 days and August slightly higher at 290 mm (11.4 in) across 25 days. Additionally, humidity levels in August are much higher at 82%, compared to May's 63%. For a deeper look into the specifics of May weather, you can visit Santa Cruz weather in May.
In comparing the weather between June and August, we find some notable differences and similarities. Both months feature relatively warm temperatures, with June showing a slightly higher average of 27°C (80°F) compared to August's 26°C (80°F). June also boasts a higher maximum temperature of 36°C (97°F), while August peaks at 35°C (95°F). However, August typically experiences more rain, with 290 mm (11.4 in) of precipitation falling on 25 days compared to June's 359 mm (14.1 in) over 26 days. Additionally, June maintains a lower humidity level at 74%, contrasted with August's higher humidity of 82%. For a more detailed view of June's weather, you can visit Santa Cruz weather in June.
In comparison to July, August experiences slightly warmer temperatures, with an average of 26°C (80°F) compared to July's 27°C (80°F); however, both months reach a maximum of 35°C (95°F). Precipitation increases significantly in August, totaling 290 mm (11.4 in) over 25 days, while July sees only 215 mm (8.4 in) across 23 days, indicating a wetter season. The humidity remains fairly high in both months, with August at 82% and July slightly higher at 85%. For further details on July weather, you can visit Santa Cruz weather in July.
In August, the weather exhibits a warm and humid pattern with temperatures ranging from a minimum of 22°C (71°F) to a maximum of 35°C (95°F), and an average temperature of 26°C (80°F). The month experiences substantial rainfall, totaling 290 mm (11.4 in) over approximately 25 days, resulting in an average humidity of 82%.
September, while maintaining similar minimum and average temperatures, sees a slight decrease in maximum temperature at 34°C (93°F). Precipitation increases to 353 mm (13.9 in), occurring over 28 days, and humidity ticks down to 80%. These changes indicate that while weather remains warm, September tends to be wetter and slightly cooler than August. For a detailed look at the weather specifics, check out Santa Cruz weather in September.
In comparing the weather between August and October, both months experience similar average temperatures, hovering around 26°C (79-80°F). However, August tends to be slightly hotter at its peak, with a maximum of 35°C (95°F), compared to October's maximum of 33°C (92°F). Precipitation is significantly higher in October, with 407 mm (16.0 in) over 29 days, compared to August's 290 mm (11.4 in) spread over 25 days. Humidity levels are quite comparable, though October is slightly less humid at 79% versus August’s 82%. For more details on October weather specifically, check out Santa Cruz weather in October.
In August, temperatures in Santa Cruz range from a minimum of 22°C (71°F) to a maximum of 35°C (95°F), with an average of 26°C (80°F). This month is characterized by significant rainfall, receiving 290 mm (11.4 in) over 25 days, and a high humidity level of 82%. In contrast, November presents a slightly milder climate with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 33°C (93°F), maintaining the same average of 26°C (79°F). Precipitation drops to 130 mm (5.1 in) over 15 days, accompanied by a decrease in humidity to 79%. For more detailed information about the weather in November, check out Santa Cruz weather in November.
August and December present contrasting weather patterns despite having similar maximum temperatures. In August, the climate is characterized by higher humidity at 82% and significantly more rainfall, with 290 mm of precipitation spread over 25 days. In contrast, December experiences a more stable environment, with lower humidity at 70% and only 31 mm of precipitation over just 4 days. Both months share an average temperature of 26-27°C (80°F), but the drier conditions in December make it a more pleasant time for outdoor activities. For more detailed information, you can check Santa Cruz weather in December.
As the summer heats up in Santa Cruz, August stands out with its oppressive humidity and frequent rainfall, creating a distinct contrast to the drier months. While temperatures soar, the average warmth is tempered by cloudy skies and almost daily showers, making it a unique time for travelers who seek the lush, vibrant landscapes of Costa Rica. Those familiar with the typical dry heat of other months will find August's sweating warmth and ample precipitation refreshing, albeit a bit challenging for outdoor activities. For a deeper understanding of what to expect year-round, check out the Santa Cruz Climate.