Last updated: August 21, 2025
Experience the unique August weather in Uyuni, Bolivia, where temperatures range from a maximum of 19°C (67°F) to a brisk minimum of -7°C (19°F). With an average temperature of 5°C (41°F), visitors can expect cool, crisp days perfect for exploring the stunning salt flats. Interestingly, August boasts a minimal precipitation amount of 2 mm (0.1 in) over the course of the month, resulting in 0 rainy days and a humidity level of 43%. This dry climate makes it an ideal time to witness Uyuni's breathtaking landscapes under clear skies.
In August, Uyuni, Bolivia, experiences a notable chill as winter draws to a close. With minimum temperatures dipping to -7°C (19°F) and an average of just 5°C (41°F), this month is among the colder periods of the year. The daytime sees a slight reprieve with maximum temperatures reaching around 19°C (67°F), offering a modest warmth amid the crisp air. Compared to the frigid July, which reached lows of -10°C (14°F), August exhibits a slight warming trend, yet still keeps visitors bundled up during early mornings and late evenings. The brisk temperatures, framed by the breathtaking landscapes of the salt flats, create a unique ambiance perfect for exploration—just remember to pack your warmest layers!
In August, Uyuni, Bolivia experiences a significant lull in precipitation, recording just 2 mm (0.1 in) of rain, with no measurable rain on any of the days. This stark decrease follows a series of wetter months early in the year, highlighting a pronounced dry spell typical of the region's climatic pattern. From a peak of 104 mm (4.1 in) in January, the rainfall gradually tapers off, reaching its annual low during this last month of winter. As the dry season progresses, the almost non-existent rainfall in August sets the stage for a transition into the slightly more humid spring months ahead, underscoring Uyuni's distinct seasonal shifts.
In August, Uyuni experiences a notable drop in humidity, reaching a low of 43%. This trend marks the continuation of a gradual decline that begins in July with 47% humidity, contrasting sharply with the lush, moist conditions of the earlier months. From the saturated levels of 87% in January to August's relatively dry atmosphere, the region transitions through a significant shift, making late winter a much drier period. As the year progresses into September, humidity rises again to 60%, hinting at the impending changes of Bolivia's seasons while emphasizing Uyuni's unique climatic patterns.
In August, Uyuni, Bolivia experiences a UV Index of 13, which falls under the extreme exposure category, indicating that even brief sun exposure can lead to skin damage in just 10 minutes. This is part of a notable trend throughout the year, where the UV Index remains consistently high, particularly from January to April and again in October and November, often reaching levels as severe as 19. Even in the cooler months of June and July, the UV Index hovers around 9 to 10. Thus, whether you’re exploring the stunning salt flats or basking under the Bolivian sun, it’s crucial to stay protected. For detailed insights on UV exposure, check out Uyuni UV Index.
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In August, Uyuni, Bolivia, basks in a remarkable 348 hours of sunshine, marking it as one of the sunniest months of the year. This radiant display of sunlight signals the peak of the dry season, where clear skies reign and outdoor explorations beckon. Notably, August shares its brilliance with September, as both months enjoy equal hours of sunshine, creating a vibrant backdrop for travelers eager to discover the breathtaking salt flats and mesmerizing landscapes. The increase in sunlight from the previous months reflects a consistent upward trend that transitions from the cooler, cloudier days of winter, making August a perfect time for those seeking both warmth and adventure under the Bolivian sun.
In August, Uyuni, Bolivia enjoys a promising likelihood of sunny weather, with a chance of sunshine at 87%. This month continues a trend of increasing brightness, following July's peak at 89%. The upward trajectory from the earlier months hints at a notable shift, as April's 64% and May's 68% gradually pave the way for the dry season's culmination. As summer unfolds, visitors can anticipate plenty of clear skies, making it an ideal time to explore the stunning landscapes of the Bolivian salt flats. With such favorable weather, August truly stands out as one of the sunniest months in this captivating region.
In August, Uyuni, Bolivia enjoys 11 hours of daylight, maintaining a consistent pattern observed in the months preceding and following it. This ideal balance between daylight and dusk reflects a gradual transition from the longer days of summer to the shorter ones of winter. From January's lengthy 13 hours to the shorter 10 hours in June, daylight duration stabilizes in July and August before shifting again in September. Such trends highlight Uyuni's unique positioning in the Southern Hemisphere, where the rhythm of daylight dances gracefully through the seasons, inviting both residents and travelers to savor the distinct charm of Bolivian sunlight.
In August, Uyuni, Bolivia experiences a noticeable uptick in wind activity, with average speeds reaching 3.8 m/s (8 mph)—the highest for the month. This trend indicates a gradual increase in wind strength as the year progresses, following a gentle climb from June's 3.7 m/s. Interestingly, this marks a pivotal shift as winds begin to pick up momentum leading into the spring months. As the landscape of the Salar de Uyuni transforms under the unique Bolivian sky, visitors can feel the invigorating breeze that enhances the otherworldly atmosphere of this striking salt flat. Following August, winds continue to increase into October, where they peak at 4.3 m/s (10 mph), suggesting that the transition to the warmer months carries with it a lively breath of fresh air, setting the stage for the region’s vibrant spring.
Weather in Uyuni varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Uyuni, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present notably different weather patterns. In August, temperatures vary from a chilly minimum of -7°C (19°F) to a mild maximum of 19°C (67°F), with an average of 5°C (41°F) and minimal precipitation of just 2 mm (0.1 in) across no rainy days and a humidity level of 43%. In contrast, January boasts higher temperatures, ranging from a low of 0°C (32°F) to a warm high of 23°C (73°F), with an average temperature of 11°C (53°F). This month experiences significantly more rainfall, with 104 mm (4.1 in) recorded over 15 days and much higher humidity at 87%. For more detailed insights, check out Uyuni weather in January.
August and February present strikingly different weather patterns. In August, temperatures are cooler with a minimum of -7°C (19°F) and an average around 5°C (41°F), peaking at 19°C (67°F). This month is relatively dry, with only 2 mm of precipitation and low humidity at 43%. In contrast, February experiences milder temperatures, ranging from a minimum of 1°C (33°F) to a maximum of 24°C (76°F), alongside significantly higher rainfall totaling 103 mm (4.1 in) over 16 days, accompanied by high humidity at 88%. For more details, you can check Uyuni weather in February.
In comparing the weather of August and March, notable differences emerge in temperature and precipitation. August experiences cooler temperatures, with a minimum of -7°C (19°F) and an average of 5°C (41°F), peaking at 19°C (67°F). Additionally, it is a dry month with only 2 mm (0.1 in) of precipitation and no rainy days, resulting in a relatively low humidity level of 43%. In stark contrast, March boasts milder conditions, featuring a minimum temperature of 0°C (32°F) and averaging 11°C (52°F), reaching a maximum of 23°C (73°F). This month is considerably wetter, with precipitation totaling 74 mm (2.9 in) over 14 days, and humidity is significantly higher at 89%. For more detailed insights, you can explore Uyuni weather in March.
In comparing the weather between August and April, we observe several notable differences. August features cooler temperatures, with a minimum of -7°C (19°F) and an average of 5°C (41°F), while April warms up slightly, presenting a minimum of -5°C (24°F) and an average of 9°C (49°F). August is much drier, boasting no recorded precipitation and a humidity level of 43%, contrasting sharply with April's 11 mm (0.4 in) of rainfall over three days and a high humidity of 87%. Those seeking more detailed information on April weather can check Uyuni weather in April.
In comparison to May, August typically experiences slightly cooler temperatures with an average of 5°C (41°F) compared to May's average of 6°C (43°F). While both months have minimal precipitation, August records 2 mm (0.1 in) with no rainy days, slightly higher than May's 1 mm (0.0 in) and also no rainy days. Additionally, August has a lower humidity level at 43%, contrasting sharply with the high humidity of 82% experienced in May. For more detailed information, you can visit Uyuni weather in May.
In comparing the weather of August and June, August experiences slightly milder temperatures with an average of 5°C (41°F), compared to June's average of 4°C (39°F). The maximum temperature in August is also higher at 19°C (67°F), while June peaks at 17°C (63°F). Both months see minimal precipitation, with August recording just 2 mm (0.1 in) and June having only 1 mm (0.0 in), and neither month experiences any rainy days. However, June tends to be more humid at 59%, in contrast to August's lower humidity of 43%. For more specific insights, you can visit Uyuni weather in June.
In comparing the weather between July and August, August emerges as slightly warmer, with average temperatures reaching 5°C (41°F), compared to July's average of 4°C (40°F). The maximum temperature in August is also higher at 19°C (67°F), whereas July peaks at 17°C (63°F). Precipitation levels are notably lower in August, with only 2 mm recorded over no days, while July experiences 4 mm over one day. Humidity is slightly lower in August at 43%, compared to 47% in July. For those interested in more detailed insights, you can check out Uyuni weather in July.
August and September exhibit noticeable differences in weather patterns. In August, temperatures range from a minimum of -7°C (19°F) to a maximum of 19°C (67°F), with an average of 5°C (41°F) and virtually no precipitation, resulting in a dry atmosphere with a humidity level of 43%. By September, the weather becomes milder and slightly wetter, with temperatures ranging from -5°C (23°F) to a max of 23°C (73°F) and an average of 8°C (48°F). September also experiences some precipitation, with 8 mm (0.3 in) over just one day, contributing to a higher humidity level of 60%. For a more detailed look at weather conditions during this time, check out Uyuni weather in September.
In August, temperatures in Uyuni typically range from a frigid -7°C (19°F) at night to a pleasant 19°C (67°F) during the day, with an average temperature around 5°C (41°F). The month sees minimal precipitation, with only 2 mm (0.1 in) recorded over zero days and a humidity level of 43%. In contrast, October experiences milder nights with a minimum temperature of -4°C (24°F) and warm days reaching up to 23°C (74°F), averaging 11°C (52°F). This month is marked by a significant increase in precipitation, totaling 11 mm (0.4 in) over 2 days, and higher humidity at 67%. For more details on October weather in Uyuni, visit Uyuni weather in October.
In August, the weather is relatively cool, with temperatures ranging from a minimum of -7°C (19°F) to a maximum of 19°C (67°F) and an average of 5°C (41°F). This month experiences very little precipitation, with only 2 mm (0.1 in) recorded over no rainy days, resulting in a humidity level of 43%. In contrast, November sees a more moderate climate, with temperatures ranging from -4°C (26°F) to a pleasant maximum of 25°C (77°F) and an average of 12°C (54°F). The month is also wetter, receiving 16 mm (0.6 in) of precipitation over five days, contributing to a higher humidity level of 71%. For more detailed information, check out Uyuni weather in November.
August and December present notably different weather patterns. In August, temperatures range from a chilly -7°C (19°F) at night to a mild 19°C (67°F) during the day, with an average of 5°C (41°F). The month features minimal precipitation, recording only 2 mm (0.1 in) and a low humidity of 43%. In contrast, December experiences warmer conditions with minimum temperatures of -3°C (27°F) and highs reaching up to 25°C (78°F), averaging at 13°C (55°F). The month is considerably wetter, receiving 90 mm (3.5 in) of precipitation over 13 days, accompanied by a higher humidity level of 79%. For more detailed insights, check Uyuni weather in December.
In August, Uyuni experiences a distinctive shift in weather, marked by mild temperatures and dry conditions that stand out compared to the wetter months. With an average temperature hovering around a crisp 5°C (41°F), visitors can relish the cool, refreshing air, perfect for exploring the breathtaking landscape. The absence of precipitation, with no rain days recorded, coupled with a moderate humidity level of 43%, creates an inviting atmosphere for outdoor adventures. These conditions make August an excellent time to experience Uyuni's stunning salt flats and unique natural beauty. For more detailed insights into the region's weather patterns, check out Uyuni Climate.