Last updated: August 21, 2025
Experience the vibrant August weather in Guaiba, Brazil, where temperatures fluctuate dramatically, reaching a maximum of 34°C (94°F) while averaging a comfortable 16°C (61°F). Despite the warmth, expect cooler nights with temperatures dipping to a minimum of 3°C (38°F). Rainfall during this month totals around 70 mm (2.8 in) over approximately 8 days, contributing to the region's lush landscape. With an average humidity level of 81%, the air is rich and invigorating, making Guaiba a lively destination for those who enjoy a dynamic climate.
In August, Guaiba experiences a transition towards milder temperatures as winter approaches its end. The minimum temperature hovers around 3°C (38°F), while the average settles at a refreshing 16°C (61°F), offering a comfortable escape from the colder months. Despite the chill in the air, the city sees maximum temperatures reaching up to 34°C (94°F), indicating that warm days still prevail. This month marks a notable leap from the cooler July, making it a great time for outdoor activities as the landscape starts to bloom again. With a delicate balance between warmth and coolness, August sets the stage for the upcoming spring, inviting both residents and visitors to enjoy Guaiba's enchanting atmosphere.
August in Guaíba, Brazil, marks a noticeable shift in precipitation patterns, as the city experiences a decline in rainfall compared to the months preceding it. With just 70 mm (2.8 in) of rain falling over 8 days, August is one of the driest months of the year, contrasting sharply with the 153 mm (6.0 in) recorded in May. This drop not only highlights a brief respite from the heavier rains of winter but also sets the stage for a substantial increase in precipitation in September, where rain totals surge to 155 mm (6.1 in). As the seasons transition, the mixed weather paints a dynamic picture of Guaíba's climate, where the early part of the year is characterized by significant moisture, while late winter brings a calm before the storm of spring.
In Guaiba, Brazil, August sees a humidity level of 81%, continuing a trend of substantial moisture that characterizes the region's climate throughout the winter months. Following a peak in humidity during the spring, where May registers at 87%, the levels begin to stabilize as temperatures cool. Interestingly, the humidity dips slightly in August from the previous month, July, which recorded 82%. This transition reflects a gradual decline as the city moves toward the more humid spring months ahead. Overall, while August represents a slight decrease, it remains part of a consistently humid environment that persists across the year, with humidity levels often hovering in the 80s.
In August, Guaiba experiences a UV Index of 7, categorized as high, with a burn time of just 25 minutes. This marks a slight increase from the moderate levels seen in July, suggesting that while the intensity of UV exposure is on the rise, it's not at its peak just yet. Notably, the months leading up to August show a consistent trend of diminishing UV levels from the extreme categories of January through March, transitioning into the very high and high categories in subsequent months. Understanding these fluctuations is crucial for staying safe in the sun. Be sure to check the full details and stay protected with the latest insights on the Guaiba UV Index.
UV Risk Categories
In August, Guaiba, Brazil, enjoys a delightful 257 hours of sunshine, marking a transition to the slightly cooler months ahead. As winter gives way to spring, this month sees a notable increase in sunlight compared to the preceding winter months, with June (220 hours) and July (239 hours) providing the least solar warmth. August's sunshine, while slightly lower than the preceding March (312 hours) and February (310 hours), still holds its own in the yearly cycle, suggesting a shift towards brighter days as the year progresses. Interestingly, as we look toward the end of the year, Guaiba experiences its sunniest months in November (316 hours) and December (361 hours), revealing a trend of increasing daylight that culminates in the exuberant brightness of summer, setting the stage for a vibrant close to the year.
In August, the likelihood of sunny weather in Guaíba, Brazil, hovers around 40%, marking a dip compared to the peak sunny months of July and February, which boast 60% and 59% chances, respectively. Following the sun-soaked summer months, August transitions into more variable weather patterns, reminiscent of the transitional periods seen in March and September, where sun chances drop to 40% and 30%. While not the sunniest month, August still offers opportunities for pleasant days, as it sits in a moderate range, especially when contrasted with the gloomier June, which sees only a 32% chance of clear skies. As the season shifts toward spring, those planning activities in Guaíba should remain hopeful, balancing sunny skies with cautious preparedness for the occasional cloud cover.
In August, Guaiba, Brazil, enjoys 11 hours of daylight, slightly rebounding from the shorter days of winter. As the year progresses from the long summer days of January and February, which each boast 13 hours of sunlight, the daylight gradually decreases to a minimum of 10 hours in May through July. Following this mid-winter dip, August marks a transition, with daylight duration beginning to increase again as the region prepares for the vibrant spring months ahead. This subtle shift mirrors nature's rhythm, moving from the cozy embrace of winter back toward the longer, sunnier days characteristic of the upcoming months.
In August, the average wind speed in Guaiba, Brazil, hovers around 2.9 m/s (6 mph), contributing to a relatively calm and pleasant atmosphere. This slight increase from the lower speeds seen earlier in the year suggests a subtle shift as the region transitions towards spring. Notably, August's winds remain consistent with the trend observed in the preceding months, characterized by gentle breezes that lend a tranquil quality to the landscape. As the year progresses, wind speeds begin to pick up noticeably, indicating that more vigorous gusts are on the horizon, particularly as September approaches. This gradual build-up is emblematic of Guaiba's dynamic climatic shifts, inviting both residents and visitors to embrace the serene beauty before the energetic winds of spring take hold.
Weather in Guaiba varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Guaiba, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January in Guaiba showcase distinct weather patterns that highlight the region's seasonal diversity. In August, temperatures range from a cooler minimum of 3°C (38°F) to a comfortable average of 16°C (61°F), peaking at 34°C (94°F). The month experiences around 70 mm (2.8 in) of precipitation over approximately 8 days, with humidity levels averaging 81%, creating a relatively humid climate.
In contrast, January brings warmer temperatures, with a minimum of 15°C (58°F) and an average of 26°C (79°F), reaching as high as 39°C (103°F). This month sees increased precipitation at 93 mm (3.7 in) over about 12 days, accompanied by slightly lower humidity at 77%. For more detailed insights, you can check the Guaiba weather in January.
The weather in August and February presents a striking contrast in terms of temperature and precipitation. In August, temperatures range from a chilly minimum of 3°C (38°F) to a maximum of 34°C (94°F), with an average of 16°C (61°F). The month sees around 70 mm (2.8 in) of precipitation spread over 8 days, coupled with high humidity at 81%. In comparison, February enjoys a much warmer climate, with temperatures ranging from a minimum of 14°C (58°F) to a scorching maximum of 38°C (100°F), averaging 25°C (77°F). This month experiences a notable increase in rainfall, with 112 mm (4.4 in) over 11 days, while maintaining a slightly lower humidity at 79%. For a detailed look at the weather specifics in February, you can check out Guaiba weather in February.
In comparing the weather between August and March, notable differences emerge. August tends to have a cooler temperature range, with minimums around 3°C (38°F) and an average of 16°C (61°F), while March experiences warmer conditions, with minimums of 13°C (56°F) and averages reaching up to 23°C (75°F). The maximum temperature in March can soar to an impressive 38°C (100°F), significantly higher than August's peak of 34°C (94°F). Additionally, March sees more precipitation, with 109 mm (4.3 in) over 12 days, compared to August's 70 mm (2.8 in) over 8 days. Despite the slightly higher humidity levels in August at 81%, both months maintain relatively high humidity, with March at 79%. For a closer look at the specifics of March weather, you can refer to Guaiba weather in March.
When comparing the weather in August and April, we notice some distinct differences. August experiences a wider range of temperatures, with a minimum of 3°C (38°F) and an average of 16°C (61°F), while April enjoys milder temperatures that range from a minimum of 8°C (47°F) to an average of 21°C (71°F). The maximum temperatures in both months are quite similar, reaching up to 34°C (93°F) in April and 34°C (94°F) in August. Precipitation levels are comparable, with both months receiving around 70-73 mm (approximately 2.8-2.9 in) over 8 days, indicating relatively consistent rainfall. Humidity is slightly lower in August, at 81%, compared to 82% in April. For a more detailed look at April's weather, you can check this link: Guaiba weather in April.
In comparing the weather of August and May, we see some notable differences. August tends to have a wider temperature range, with a minimum of 3°C (38°F) and a maximum of 34°C (94°F), averaging around 16°C (61°F). In contrast, May's temperatures are slightly warmer, with a minimum of 5°C (41°F) and a high of 32°C (90°F), averaging 17°C (63°F). Precipitation also varies, as May sees significantly more rainfall at 153 mm (6.0 in) over 10 days compared to August's 70 mm (2.8 in) on 8 days. Humidity levels are quite high in both months, with August at 81% and May slightly higher at 87%. For a more detailed look at May's weather, you can check out Guaiba weather in May.
In comparing the weather between June and August, one can observe that both months exhibit similar minimum temperatures, starting at around 3°C (38°F). However, August typically sees slightly warmer average temperatures, reaching about 16°C (61°F) compared to June's 16°C (60°F). Additionally, August experiences a higher maximum temperature of 34°C (94°F), while June peaks at 31°C (88°F).
Precipitation also differs; June has a higher rainfall of 113 mm (4.4 in) over 9 days, while August has less, at 70 mm (2.8 in) over 8 days. The humidity is relatively high in both months, with June at 85% and August slightly lower at 81%. For a more detailed look at June weather, check out Guaiba weather in June.
In comparing the weather in August to July, August tends to be slightly warmer, with average temperatures reaching 16°C (61°F) compared to July's 14°C (58°F). The maximum temperature in August can peak at 34°C (94°F), a notable increase from July's maximum of 30°C (87°F). Rainfall also differs significantly; July experiences higher precipitation at 122 mm (4.8 in) over the same number of rainy days (8) as August, which sees only 70 mm (2.8 in). Humidity levels are quite similar, with August at 81% and July just slightly higher at 82%. For more detailed insights, you can visit Guaiba weather in July.
August presents a warmer yet more variable climate compared to September, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 34°C (94°F). In contrast, September enjoys slightly milder temperatures, with a minimum of 7°C (45°F) and a maximum of 36°C (96°F), contributing to an overall average of 18°C (65°F). However, September also experiences significantly higher precipitation, totaling 155 mm (6.1 in) over 12 days, compared to August's 70 mm (2.8 in) over 8 days. Humidity levels remain relatively similar in both months, with September slightly higher at 84% compared to August's 81%. For more specific information on weather conditions in September, you can refer to Guaiba weather in September.
August and October present contrasting weather conditions. In August, temperatures range from a minimum of 3°C (38°F) to a maximum of 34°C (94°F), with an average of 16°C (61°F). The month sees a moderate amount of precipitation, totaling 70 mm (2.8 in) over 8 days, and humidity levels are relatively high at 81%. In comparison, October boasts a warmer climate, with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 37°C (100°F), averaging 20°C (68°F). This month also experiences increased precipitation, amounting to 139 mm (5.5 in) over 13 days, and humidity rises slightly to 85%. For those looking for more detailed information, you can check out Guaiba weather in October.
August and November exhibit notable differences in weather patterns. August typically experiences cooler temperatures, with a minimum of 3°C (38°F) and an average of 16°C (61°F), whereas November boasts a milder climate, featuring a minimum of 12°C (53°F) and an average of 22°C (72°F). In terms of extremes, November can reach highs of 37°C (99°F), compared to August's maximum of 34°C (94°F). Precipitation is also a factor, with August receiving 70 mm (2.8 in) over 8 days, while November sees increased rainfall of 112 mm (4.4 in) across 10 days. Humidity levels remain relatively consistent, with August at 81% and November slightly higher at 82%. For more details on the November weather specifics, refer to Guaiba weather in November.
August and December exhibit notable differences in weather patterns. In August, temperatures range from a chilly 3°C (38°F) at night to a warm 34°C (94°F) during the day, with an average of 16°C (61°F). The month sees about 70 mm (2.8 in) of precipitation over 8 days, combined with a humidity level of 81%. In contrast, December enjoys warmer temperatures, with nighttime lows of 13°C (55°F) and highs reaching up to a scorching 38°C (101°F), averaging 24°C (76°F). The precipitation is slightly higher at 80 mm (3.2 in), also spread over 8 days, while humidity rises to 84%. For a more detailed overview of December weather, visit Guaiba weather in December.
In August, Guaiba experiences a distinctive transition, characterized by cooler days and a noticeable uptick in humidity compared to the warmer months of summer. While temperatures can soar to a balmy 34°C, the nights bring a refreshing chill, making for a diverse climate that's both comfortable and invigorating. With an average humidity of 81% and about 70 mm of precipitation over just eight days, August sets the stage for lush landscapes and a vibrant atmosphere. This month stands apart from the sweltering heat of January and the cooler spells of winter, highlighting the region's unique microclimate. To delve deeper into Guaiba's intriguing weather patterns throughout the year, explore Guaiba Climate.