Last updated: August 21, 2025
In August, Cuiaba, Brazil experiences a remarkable range of temperatures, soaring to a maximum of 39°C (102°F) while maintaining a comfortable average of 26°C (79°F). The nights can be notably cooler, with minimums dipping to 11°C (52°F). This month sees minimal rainfall, with only 12 mm (0.5 in) accumulated over just one day, allowing residents and visitors to enjoy predominantly dry conditions. Despite this warmth, humidity levels remain relatively low at 39%, making August an ideal time for outdoor activities in this vibrant city.
In August, Cuiaba experiences a notable increase in temperatures, with averages climbing to 26°C (79°F) and maximums reaching a sizzling 39°C (102°F). This sharp rise from the cooler temperatures of earlier months signals the onset of the region’s warmer season. While the minimum temperature hovers around 11°C (52°F), the overall trend reflects a climate that is characterized by increasingly hot days. Compared to the previous months, August stands out with its peak temperatures, setting the stage for a hot and vibrant Brazilian summer ahead. With this heat, it's an ideal time for enjoying outdoor activities, provided one stays hydrated and seeks shade during the peak hours.
In August, Cuiabá experiences a notable shift in precipitation patterns, with rainfall typically tapering off significantly after the dry months of July. This year, the city recorded a modest 12 mm (0.5 in) of precipitation over just one day, marking a stark contrast to the heavier rains of earlier months like February, which saw 224 mm (8.8 in) across 24 days. The transition from the peak rainy season into the drier part of the year is evident, as August serves as a bridge, hinting at the more substantial rainfall that will return in the following months. This cyclical pattern highlights the impact of seasonal changes on the region's climate, as Cuiabá prepares for the more humid days ahead in September and October.
In Cuiabá, Brazil, August marks a significant shift in humidity levels, plunging to an average of just 39%. This noteworthy decrease follows a gradual decline from the 89% peak in March, as the region transitions from its wetter months of early year. By August, the humidity has dropped sharply, reflecting a dry spell that continues into September and October, where humidity levels touch 30% and 29%, respectively. This trend highlights Cuiabá's seasonal shift, transforming from its lush, humid summer to a more arid, refreshing climate that characterizes the late winter months. As humidity rebounds in November, reaching 62%, residents and visitors alike can relish the dry reprieve, embracing the vibrant natural surroundings that flourish in this diverse ecosystem.
In August, Cuiabá experiences a UV Index of 11, placing it in the extreme exposure category with a burn time of just 10 minutes. This marks a slight increase from July's index of 9, highlighting a seasonal trend where UV levels typically rise as the year progresses toward the hotter months. Notably, the UV Index remains consistent at extreme levels from August through November, emphasizing the importance of sun safety in this vibrant Brazilian city. As residents and visitors navigate the warm climate, understanding these UV trends is crucial to enjoying the outdoors while minimizing sunburn risks. For more information on UV levels throughout the year, visit Cuiaba UV Index.
UV Risk Categories
August in Cuiabá, Brazil, basks in a remarkable 328 hours of sunshine, making it one of the brightest months of the year. As the peak of winter draws to a close, sunshine hours remain consistent, following a June peak of 330 hours in July. The trend for the second half of the year showcases a gradual decline, with July and August holding strong before dipping slightly in September. This abundance of sunlight not only enhances the city's vibrant atmosphere but also invites both locals and tourists to enjoy the outdoors, reinforcing Cuiabá’s reputation as a sun-kissed paradise year-round.
In Cuiabá, Brazil, the likelihood of sunny weather in August remains quite favorable, boasting a 78% chance of clear skies. This strong probability is part of a trend that begins to unfold mid-year, with July already showcasing an impressive 91% likelihood of sunshine. As we transition from the more overcast months of early winter, particularly May and June, which hover around 49% and 59%, respectively, August offers a delightful continuation of this sun-drenched pattern. Following this peak, the chance of sunlight decreases into the early months of the wet season, with September dropping to 66% and further declining into the wetter months. Thus, August stands out as a prime time to bask in the warmth and vibrance of Cuiabá's summer-like atmosphere.
In Cuiabá, Brazil, the daylight duration showcases a fascinating evolution throughout the year. From January to March, the city enjoys a consistent 12 hours of sunlight, perfect for outdoor enthusiasts and nature lovers alike. As April arrives, daylight begins to gradually wane, dipping to 11 hours and staying steady through August. This trend illustrates a brief period of shorter days, offering a cozy, introspective vibe during the mid-year months. However, come September, Cuiabá awakens once again with daylight returning to 12 hours, leading into the summer months where days extend progressively. By December, residents bask in a generous 13 hours of daylight, embracing the energetic spirit of the season. Overall, this rhythmic pattern reflects Cuiabá's beautiful dance with the sun, providing a dynamic backdrop for both daily life and seasonal festivities.
As we transition into August in Cuiabá, Brazil, the wind begins to pick up, heralding a noticeable shift in the seasonal breeze. With an average wind speed of 2.5 m/s (6 mph), August marks the peak of the annual wind patterns, surpassing the previous months and providing a refreshing contrast to the more tranquil conditions experienced earlier in the year. This increase aligns with a gradual upward trend starting in May, where wind speeds first edged above 2.0 m/s. Subsequently, July saw a further escalation, setting the stage for August's breezy embrace. Following August, the wind speed gently tapers off in September, suggesting a return to the calmer conditions typical of the preceding months. This seasonal rhythm not only enhances the city's vibrant atmosphere but also invites residents and visitors alike to savor the invigorating gusts as winter wanes.
Weather in Cuiaba varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Cuiaba, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present distinctly different weather patterns. In August, temperatures range from a cool 11°C (52°F) at night to a warm average of 26°C (79°F) and can peak at a scorching 39°C (102°F). The month is relatively dry, with only 12 mm (0.5 in) of precipitation over just one day, and humidity sits at a comfortable 39%.
In contrast, January features warmer temperatures overall, with nighttime lows of 22°C (72°F) and daily averages around 27°C (81°F), reaching up to 37°C (98°F). However, the month is much wetter, recording 168 mm (6.6 in) of rainfall across 21 days, leading to a high humidity level of 88%. For more details on January weather, you can check Cuiaba weather in January.
August and February present strikingly different weather patterns. In August, temperatures vary from a mild 11°C (52°F) at night to a scorching average of 26°C (79°F) during the day, peaking at a maximum of 39°C (102°F). The month is relatively dry with only 12 mm (0.5 in) of precipitation over just one day and a humidity level of 39%. In contrast, February is much warmer, with minimum temperatures around 21°C (70°F) and a daily average of 27°C (80°F), reaching up to 35°C (95°F). However, February experiences significant rainfall, accumulating 224 mm (8.8 in) over 24 days, resulting in much higher humidity at 88%. For a detailed look at February weather in Cuiaba, you can check this link: Cuiaba weather in February.
August and March present contrasting weather conditions. In August, temperatures range from a mild minimum of 11°C (52°F) to a warm average of 26°C (79°F), peaking at a hot 39°C (102°F), with low precipitation of just 12 mm (0.5 in) over a single day. The humidity during this month is relatively low at 39%. In contrast, March sees a minimum temperature of 21°C (70°F) and an average of 27°C (81°F), with a maximum reaching 36°C (97°F). However, it also experiences significantly higher precipitation at 201 mm (7.9 in) spread over 23 days and a much higher humidity level of 89%. For more details on March weather, check out Cuiaba weather in March.
When comparing the weather in August and April, notable differences emerge. August typically experiences warmer average temperatures with a range from a minimum of 11°C (52°F) to a maximum of 39°C (102°F), while April maintains a slightly cooler range, with temperatures ranging from 15°C (59°F) to 36°C (97°F). Additionally, August boasts significantly lower humidity at 39%, contrasting sharply with April's high humidity of 87%. Rainfall also distinguishes the two months, as August sees only 12 mm (0.5 in) of precipitation over just one day, whereas April is much wetter, receiving 123 mm (4.8 in) over 16 days. For more details on April weather specifics, you can check Cuiaba weather in April.
In comparing the weather between May and August, it’s clear that August tends to be warmer. With average temperatures reaching 26°C (79°F) and maximums hitting 39°C (102°F), August provides a considerable warmth compared to May’s average of 25°C (77°F) and maximum of 34°C (94°F). Furthermore, May experiences significantly higher humidity at 78% and more precipitation days—a total of 6 days and 33 mm (1.3 in) of rain—compared to August's drier conditions with just 1 day of rain and only 12 mm (0.5 in) of precipitation. For more detailed information, you can explore Cuiaba weather in May.
In comparing the weather of August and June, August tends to be hotter, with average temperatures reaching 26°C (79°F) and peak highs of up to 39°C (102°F). In contrast, June has a slightly cooler average temperature of 24°C (76°F), with a maximum of 35°C (95°F). Precipitation is minimal in both months, but June enjoys drier conditions with no recorded rainy days, while August experiences a small amount of rainfall, averaging 12 mm (0.5 in) over just one day. Additionally, June has a higher humidity level of 63%, contributing to a more humid feel compared to August's 39% humidity. For more details about the weather in June, you can visit Cuiaba weather in June.
In comparing the weather between July and August, August tends to be warmer overall, with average temperatures reaching 26°C (79°F) compared to July's average of 24°C (75°F). While both months see relatively low precipitation, August records 12 mm (0.5 in) over just one day, whereas July experiences completely dry conditions, with no rain at all. Additionally, humidity levels are lower in August at 39% compared to 50% in July, which may contribute to a more comfortable feel despite the higher temperatures. For more details, you can check Cuiaba weather in July.
August and September present notable differences in weather patterns. In August, temperatures range from a minimum of 11°C (52°F) to a maximum of 39°C (102°F), with an average of 26°C (79°F). The month typically experiences only 12 mm (0.5 in) of precipitation over just one rainy day, and humidity sits at around 39%. Conversely, September sees a slight increase in the minimum temperature at 12°C (54°F) and an average of 29°C (84°F), along with a higher maximum temperature reaching up to 41°C (106°F). The precipitation also rises significantly to 26 mm (1.0 in) across five days, accompanied by lower humidity at 30%. For a more detailed look at the weather during September, you can check Cuiaba weather in September.
August and October exhibit contrasting weather patterns. In August, temperatures range from a minimum of 11°C (52°F) to a maximum of 39°C (102°F), with an average of 26°C (79°F). The month is relatively dry, receiving only 12 mm (0.5 in) of precipitation over 1 day and a humidity level of 39%. In stark contrast, October sees warmer temperatures, with a minimum of 19°C (66°F) and a maximum of 41°C (107°F), averaging 28°C (84°F). However, it also experiences significantly higher precipitation at 106 mm (4.2 in) over 14 days, accompanied by lower humidity at 29%. For a closer look at the climatic conditions, check out Cuiaba weather in October.
In August, the weather tends to be warm and dry, with average high temperatures reaching up to 39°C (102°F) and only minimal rainfall of about 12 mm (0.5 in) on just one day, resulting in a lower humidity level of 39%. In contrast, November experiences a significant increase in rainfall, with about 173 mm (6.8 in) over 21 days, raising humidity levels to 62%. While November's average temperatures remain comparable to August's, with a maximum of 39°C (102°F), the overall feel is quite different due to the increased moisture and cloud cover. For more details, you can check Cuiaba weather in November.
In August, the weather in Cuiabá features a significant temperature range, with minimums around 11°C (52°F) and maximums soaring to 39°C (102°F). The month tends to be relatively dry, receiving only 12 mm (0.5 in) of precipitation on just one day, and the humidity is a comfortable 39%. In contrast, December brings much warmer temperatures, with a minimum of 21°C (71°F) and a maximum of 36°C (97°F), along with significantly higher humidity levels at 84%. Notably, December is much wetter, with 213 mm (8.4 in) of rain across 24 days, making it a stark contrast to the dry spell of August. For more details, you can check out Cuiaba weather in December.
August in Cuiabá brings a notable shift in weather patterns compared to other months, offering a mix of warm temperatures and low humidity that can be quite refreshing. With maximum temperatures peaking at a scorching 39°C (102°F), the days are undeniably hot, yet the average temperature remains a comfortable 26°C (79°F). Unlike the wetter months, August sees minimal precipitation, featuring just one day of rain and a mere 12 mm overall, allowing residents and visitors to enjoy clear, sunny skies. This dry spell, coupled with lower humidity at 39%, creates an ideal environment for outdoor activities. For more insights on how Cuiabá's climate varies throughout the year, visit Cuiaba Climate.