Last updated: August 21, 2025
August in Santiago de Cuba is characterized by warm temperatures and humid conditions, with maximums reaching a sultry 33°C (92°F) and an average of 28°C (83°F). Nights are pleasantly mild, with temperatures dipping to around 23°C (74°F). This time of year also witnesses significant rainfall, accumulating to 91 mm (3.6 in) over 12 days, adding to the overall moisture in the air, which hovers around 76% humidity. Visitors can expect vibrant tropical weather, perfect for experiencing the city's rich culture while staying prepared for occasional showers.
In August, Santiago de Cuba experiences warm and humid conditions, typical of a tropical climate. With a minimum temperature of 23°C (74°F) and a maximum of 33°C (92°F), the average temperature settles around 28°C (83°F), reflecting a steady upward trend in heat as summer peaks. This month continues the pattern from July, where temperatures reach their annual highs, creating a vibrant atmosphere perfect for enjoying the rich local culture and spectacular coastal scenery. As summer wanes, the warmth of August holds promise for leisurely beach days, vibrant festivals, and enchanting nights under the Caribbean sky.
August marks a significant peak in precipitation for Santiago de Cuba, with 91 mm (3.6 in) of rain falling over an average of 12 days. This reflects a steady increase in rainfall through the summer months, following the lower figures seen earlier in the year. As the wet season approaches its climax, the rainfall in August serves as a precursor to the even heavier downpours that September brings. The humidity and frequent showers create a lush landscape, setting the stage for the vibrant storms typical of late summer. This month exemplifies the island's transition into its wetter season, bridging the drier spring with the more intense rainy periods of autumn.
In August, Santiago de Cuba experiences a rise in humidity, reaching 76%, making it one of the most humid months of the year. This increase follows a trend seen in the prior months, particularly from July's 73%, and it signals the onset of the wetter season as summer peaks. Interestingly, the humidity in August is notably higher than the earlier months of the year, where levels hovered around 66-70% from January to June. The humidity then remains elevated into the fall, with September and October also registering above 75%. This pattern highlights the tropical nature of Santiago de Cuba’s climate, where humidity is a defining characteristic, enriching the local atmosphere and influencing daily life.
In August, Santiago de Cuba experiences a consistently high UV Index of 13, placing it in the extreme exposure category, where even a brief 10-minute sun exposure can lead to skin damage. This trend is characteristic of the summer months; alongside July, August maintains the same perilously high levels, reflecting a pattern that begins in March and persists through September. As the year progresses, the UV Index does somewhat decline, with values dropping to 11 by October and further decreasing in the cooler months, yet during summer, it's crucial to take precautions. Be sure to stay informed and protect your skin when enjoying the sun in this vibrant Caribbean location. For more details, visit the Santiago de Cuba UV Index.
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August in Santiago de Cuba boasts 346 hours of glorious sunshine, a continuation of the summer's radiant embrace. This month shines brightly as it follows the pinnacle of July's impressive 361 hours, maintaining the vibrant energy that characterizes the region during the peak of summer. As the year unfolds, a clear trend emerges with the sunshine gradually tapering off from August into the autumn months, highlighted by September's 325 hours and October's 317 hours. This rhythmic dance of daylight not only enchants visitors but also sets the stage for the rich experiences that await in this sun-drenched paradise.
In Santiago de Cuba, the likelihood of sunny weather takes a noticeable dip in August, with only a 39% chance of clear skies. This marks a significant decrease compared to the sunnier months of February and March, which boast chances exceeding 80%. As summer progresses, the trend indicates that the likelihood of sunshine wanes, with July already showing only a 53% probability. Following August, September sees a slight rebound with a 57% chance of sun, but overall, planning for outdoor activities in August might require a bit of flexibility, as the weather can be unpredictable during this time.
In Santiago de Cuba, the daylight duration showcases a rhythmic dance throughout the year. Beginning with around 11 hours of light in both January and February, the days gradually extend as spring approaches. March and April usher in a slight increase, reaching 12 hours, while May through July peak with 13 hours, bathing the island in ample sunshine. As August arrives, the daylight begins to wane, returning to 12 hours, setting the stage for a gentle transition into fall. This decrease continues into October and November, where the light dips back to 11 hours before culminating in a shorter 10 hours by December. Overall, the daylight patterns reveal a warm, vibrant summer leading to a serene, gradual retreat into the shorter days of winter.
In August, the average wind speed in Santiago de Cuba hovers around 2.5 m/s (6 mph), providing a gentle breeze that complements the island’s warm summer days. Reflecting a slight dip from the peak of 3.6 m/s (8 mph) experienced in March, August’s winds are notably calmer than earlier months but remain consistent with those of neighboring July. This pattern of wind speeds tends to soften as the summer progresses into the fall, plummeting to a minimum of 1.8 m/s (4 mph) in both September and October. Despite this lull, the tropical atmosphere remains vibrant, making August a delightful time to soak in the laid-back ambiance of Santiago, where even the winds seem to linger leisurely.
Weather in Santiago de Cuba varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Santiago de Cuba, focusing on differences in temperature, rainfall, humidity, and UV levels.
August weather in Santiago de Cuba is characterized by high temperatures, with an average of 28°C (83°F) and highs reaching up to 33°C (92°F). Humidity is notably high at 76%, and the month sees about 91 mm (3.6 in) of precipitation over approximately 12 days. In contrast, January presents a much milder climate, with temperatures averaging 24°C (76°F) and maximums of 30°C (87°F). Precipitation is significantly lower at 17 mm (0.6 in) and occurs over just 3 days, along with a slightly lower humidity of 70%. This stark difference illustrates how August is more humid and rainier, whereas January provides a cooler and drier experience. For more details, you can check out the complete Santiago de Cuba weather in January.
August and February showcase contrasting weather patterns, making them distinct months in terms of climate. In August, temperatures range from a minimum of 23°C (74°F) to a maximum of 33°C (92°F), with an average of 28°C (83°F). This month is also characterized by higher humidity at 76% and considerable rainfall, averaging 91 mm (3.6 in) over 12 days. In stark contrast, February enjoys milder temperatures, with a minimum of 17°C (62°F), an average of 25°C (77°F), and a maximum of 30°C (87°F). The precipitation significantly decreases to just 13 mm (0.5 in) over the course of 1 day, alongside lower humidity levels at 67%. For more detailed insights, you can check out Santiago de Cuba weather in February.
The weather in August and March presents notable contrasts, particularly in terms of temperature and humidity. August boasts higher temperatures, with minimums around 23°C (74°F) and maximums reaching up to 33°C (92°F), making it one of the warmest months. In comparison, March features a cooler range, with minimums of 17°C (64°F) and maximums of 31°C (87°F), offering a more temperate climate. Furthermore, August experiences a higher level of precipitation, averaging 91 mm (3.6 in) over 12 days, while March sees significantly less rain, with only 25 mm (1.0 in) spread across 5 days. Humidity is also higher in August at 76%, compared to 66% in March. For more detailed information, you can visit Santiago de Cuba weather in March.
When comparing the weather in August and April, it’s evident that August tends to be warmer and more humid. In August, the minimum temperature averages 23°C (74°F) and can reach highs of 33°C (92°F), while April starts a bit cooler at a minimum of 20°C (68°F) and peaking at 31°C (88°F). Additionally, August experiences higher humidity levels at 76%, compared to April's 66%. Precipitation is also more frequent in August, with 91 mm (3.6 in) of rain over 12 days, unlike April, which sees only 47 mm (1.9 in) across 9 days. For more details on April's weather, you can check Santiago de Cuba weather in April.
When comparing the weather in August and May, August tends to be warmer with average temperatures around 28°C (83°F), while May has a slightly cooler average of 26°C (79°F). Both months have similar high temperatures, but August records a higher minimum temperature at 23°C (74°F) compared to May's 21°C (70°F). In terms of precipitation, May is wetter, receiving 140 mm (5.5 in) over 18 days, whereas August sees 91 mm (3.6 in) of rain over just 12 days. Furthermore, the humidity level in August at 76% is noticeably higher than May's 64%, making August feel more humid and oppressive. For more details on May weather, check out Santiago de Cuba weather in May.
When comparing the weather in August and June, both months feature warm temperatures, but August is typically hotter and more humid. In August, daily temperatures range from a minimum of 23°C (74°F) to a maximum of 33°C (92°F), with an average of 28°C (83°F). In contrast, June has a slightly cooler temperature range, with minimums at 23°C (73°F) and maximums reaching 32°C (91°F), averaging 27°C (81°F). Additionally, August experiences more rain, with 91 mm (3.6 in) of precipitation over 12 days, compared to June's 61 mm (2.4 in) over 13 days. The humidity is also higher in August at 76%, compared to June's 66%. For further details, you can check Santiago de Cuba weather in June.
In comparing the weather of August and July, both months maintain similar temperature ranges, with average highs around 33°C (91°F) and lows in the mid-20s. However, August experiences slightly higher humidity at 76%, compared to July's 73%. Additionally, August sees an increase in precipitation, with 91 mm (3.6 in) over 12 days, while July recorded 65 mm (2.6 in) over 13 days. Thus, while the temperatures remain fairly consistent, August tends to be a bit more humid and wetter than July. For more detailed information on July weather, you can visit Santiago de Cuba weather in July.
In comparing the weather of August and September, we see that both months boast a similar minimum temperature of 23°C (74°F) and a maximum of 33°C (92°F). However, September experiences a slight dip in average temperature, decreasing to 27°C (81°F) from August's 28°C (83°F). Precipitation also increases in September, rising to 119 mm (4.7 in) over 18 days compared to August's 91 mm (3.6 in) over 12 days. Humidity remains relatively stable, with September at 75% and August at 76%. For more details on the conditions you can expect, check out Santiago de Cuba weather in September.
In comparing the weather between August and October, we find that both months maintain similar temperature patterns, with minimums around 23°C (74°F). However, August generally enjoys slightly warmer average highs of 33°C (92°F) compared to October's peak of 32°C (91°F), while the average temperatures dip from 28°C (83°F) in August to 27°C (80°F) in October. Precipitation levels also increase in October, with 107 mm (4.2 in) of rain over 20 days, compared to 91 mm (3.6 in) over 12 days in August. Despite this increase in rainfall, humidity remains relatively consistent, at 76% in August and 75% in October. For further details, you can check Santiago de Cuba weather in October.
In August, the weather is typically warmer with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 33°C (92°F), accompanied by an average of 28°C (83°F). This month experiences a substantial amount of rainfall, totaling 91 mm (3.6 in) over about 12 days, coupled with high humidity levels averaging 76%. In contrast, November sees slightly cooler temperatures, with minimums at 21°C (69°F) and maximums reaching 31°C (88°F), resulting in an average of 26°C (79°F). The precipitation in November is marginally less, at 86 mm (3.4 in) across 11 days, and humidity remains relatively stable at 77%. For more details, check out Santiago de Cuba weather in November.
In August, the weather is warm and humid, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 33°C (92°F), and an average of 28°C (83°F). The month sees significant rainfall, with 91 mm (3.6 in) spread over 12 days, contributing to a high humidity level of 76%. In contrast, December offers a more temperate climate, featuring a minimum temperature of 19°C (67°F) and a maximum of 31°C (88°F), with an average temperature of 25°C (77°F). Rainfall is considerably lower in December, totaling 25 mm (1.0 in) across just 4 days, and humidity slightly decreases to 73%. For more details on the December weather in Santiago de Cuba, visit Santiago de Cuba weather in December.
As August settles in Santiago de Cuba, visitors can expect warm temperatures that hover around comfortable ranges perfect for beach enjoyment and outdoor activities. While the heat can be intense, with average temperatures reaching around 28°C, the warmth is often accompanied by a high level of humidity and occasional showers, typical of the wet season. With about 12 days of rain filling the air with moisture, this month creates a vibrant tropical atmosphere unlike the dryer months. If you're planning a trip during this lush and lively month, be prepared for both sunny skies and refreshing rain, which make Santiago de Cuba's August experience unique. For more detailed insights into what to expect, check out Santiago de Cuba Climate.