Last updated: August 21, 2025
Experience the vibrant weather of Valparaiso, Brazil in August, where temperatures can soar to a maximum of 37°C (98°F) while averaging a comfortable 22°C (73°F). The charm of the month is punctuated by cooler nights, dropping to a refreshing minimum of 7°C (45°F). This period sees a modest precipitation of 20 mm (0.8 in) over just 4 days, allowing for both sunny adventures and brief, refreshing showers. With humidity levels around 38%, the climate is perfect for exploring the stunning coastal scenery while enjoying the delightful warmth of late winter.
August in Valparaiso, Brazil, presents a transition towards warmer days, with temperatures displaying a blend of cool and mild conditions. The month starts with a minimum of 7°C (45°F) and an average temperature hovering around 22°C (73°F), making it a comfortable time for outdoor activities. Although it cools down significantly from the midsummer heat of January, with its maximum reaching 37°C (98°F), August still retains a hint of summer warmth. As the region prepares for the arrival of spring, these temperatures suggest a gradual warming trend, creating a delightful climate that invites exploration of Valparaiso's stunning landscapes and vibrant culture.
In August, Valparaiso experiences a noticeable shift in precipitation patterns as the region transitions towards its rainy season. With a modest 20 mm (0.8 in) of rainfall spread across just 4 days, it's one of the drier months, yet it follows a trend of increasing precipitation starting from the incredibly wet January, which sees 193 mm (7.6 in) of rain over 17 days. This month marks a stark contrast to the preceding dry spell in July, which receives virtually no rain at all, highlighting the fluctuating nature of Valparaiso's climate. As the city moves into September, a slight uptick in rainfall to 23 mm (0.9 in) signals the gradual return of wetter conditions, setting the stage for the heavier downpours that define the upcoming months.
In August, Valparaiso, Brazil, experiences a notable dip in humidity, dropping to 38%—the lowest level of the year. This decline from the previous months marks a significant transition as the region shifts from the humid summer months of January through July, when humidity levels hover above 40%. Following the peak in February at 85%, humidity gradually wanes, creating a refreshing atmosphere that continues into September, which sees a further decrease to 33%. This trend showcases how Valparaiso's climate evolves, offering a reprieve from the dense moisture of earlier months and paving the way for the drier and cooler conditions that define the late winter and early spring.
In August, Valparaiso experiences a UV Index of 10, placing it in the very high exposure category with a burn time of just 15 minutes. This marks a slight dip from the previous months' extremes, but caution is still advisable. As winter transitions to spring, the UV levels rebounded from lower figures in June and July, reflecting the region's intense sun exposure year-round. While August offers a reprieve from the peak summer values, it remains vital to protect your skin during outdoor activities. Keep in mind the trends of the UV Index year-round as you plan your sun exposure in this vibrant coastal city. For more detailed insights, visit Valparaiso UV Index.
UV Risk Categories
In August, Valparaiso basks in the warm embrace of summer, enjoying a delightful 307 hours of sunshine. As the mid-year sun lingers, August's daylight hours reflect a consistent trend, standing on the cusp of the peak months that follow. This sunny respite continues the gradual transition from the coolness of June's 288 hours to the brightness of September, which boasts 315 hours. While August may not rival the brightness of the late spring and early summer months, its ample sunshine is a cherished prelude to the more sun-drenched days ahead. The gradual increase in daylight hours marks a seasonal progression that invites both locals and visitors to revel in the vibrant energy of this beautiful coastal city.
In Valparaiso, Brazil, August is characterized by a noteworthy 73% chance of sunny weather, marking it as one of the brighter months of the year. Following the peak sunny days of July at 81%, August maintains a solid likelihood of sunshine, making it an ideal time for outdoor activities. This trend continues from the drier months of April and May, which also boast high sun probabilities, while the likelihood subtly dips in September to 68%. Overall, the sunny disposition of August sets the stage for vibrant summer experiences in this coastal city.
As August rolls into Valparaiso, Brazil, residents enjoy an average of 11 hours of daylight, marking a gentle return to longer days after the midwinter months. Following the 10-hour days of June and July, August experiences a slight increase in daylight, mirroring the pattern of transition towards spring. This month showcases the delicate balance between shorter and longer days, as daylight begins to gradually extend once again. The trend continues into September, maintaining that 11-hour duration, allowing locals to bask in the increasing warmth and light as they anticipate the vibrant months ahead.
In August, Valparaíso experiences a noticeable shift in its wind patterns, with speeds reaching an average of 3.1 m/s (7 mph). This slight uptick marks the end of a gradual increase that began in July, where winds picked up to 2.9 m/s (7 mph). As the winter months transition into the warmer spring season, the breeze in August becomes a refreshing presence, surpassing the steady 2.5 m/s (6 mph) of the earlier months. The trend suggests a subtly invigorating atmosphere, perfect for those looking to embrace the coastal charm of this vibrant Brazilian city as it breathes with the rhythms of nature.
Weather in Valparaiso varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Valparaiso, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing weather between August and January, one can observe notable differences in temperature and precipitation. In August, temperatures range from a cool minimum of 7°C (45°F) to a comfortable average of 22°C (73°F), peaking at a warm 37°C (98°F). This month experiences relatively low precipitation at just 20 mm (0.8 in) over approximately four days, with a humidity level of 38%. In contrast, January offers much warmer temperatures, with a minimum of 19°C (66°F) and an average of 26°C (80°F), reaching highs similar to August at 37°C (99°F). However, January is significantly wetter, with 193 mm (7.6 in) of precipitation spread over 17 rainy days, resulting in a high humidity of 84%. For more detailed insights, check out Valparaiso weather in January.
August and February present distinct contrasts in weather conditions. In August, temperatures range from a minimum of 7°C (45°F) to a maximum of 37°C (98°F), with an average of 22°C (73°F) and low humidity at 38%. The month sees limited precipitation, averaging only 20 mm (0.8 in) over four days. In contrast, February enjoys milder temperatures, with a minimum of 17°C (64°F) and a maximum of 36°C (97°F), averaging 26°C (79°F). However, it is markedly wetter, experiencing about 157 mm (6.2 in) of rainfall over 16 days and a much higher humidity at 85%. For more detailed information, check out Valparaiso weather in February.
When comparing the weather in August and March, there are notable differences in temperature and precipitation patterns. August typically features cooler conditions, with minimum temperatures around 7°C (45°F) and an average of 22°C (73°F), while March is significantly warmer, boasting a minimum of 18°C (64°F) and an average of 26°C (80°F). Both months can experience highs of up to 37°C (98°F), but March sees a much higher precipitation level of 100 mm (3.9 in) over 14 days, compared to the relatively dry August, which receives just 20 mm (0.8 in) over 4 days. Moreover, humidity levels in March reach 84%, making it feel more humid and sticky, while August maintains a much lower humidity of 38%. For more detailed insights about March weather specifically, check out Valparaiso weather in March.
When comparing the weather in August and April, significant differences become apparent. August features cooler temperatures with a minimum of 7°C and an average of 22°C, while April sees a warmer minimum of 11°C and an average of 25°C. The maximum temperature in August can reach up to 37°C, but in April, it peaks at 35°C. Additionally, April experiences substantially more precipitation, totaling 61 mm over five days, compared to August's 20 mm over just four days. The humidity levels also vary greatly; August is relatively dry at 38%, while April has a much higher humidity at 76%. For more detailed information about April weather, you can check Valparaiso weather in April.
In comparing the weather of August and May, both months present mild average temperatures, hovering around 22°C (73°F). However, August offers a wider temperature range with a minimum of 7°C (45°F) and a maximum reaching 37°C (98°F), compared to May's minimum of 6°C (44°F) and maximum of 34°C (94°F). Precipitation patterns also vary; May sees more rainfall with 33 mm (1.3 in) over four days, while August experiences lighter rain totaling 20 mm (0.8 in) on the same number of days. Additionally, humidity levels are significantly higher in May at 60%, making it feel more humid than the drier August with a humidity of just 38%. For more detailed information, you can visit Valparaiso weather in May.
In comparing the weather between August and June, we observe some notable differences. Both months have a similar average temperature, hovering around 22°C (73°F), but August tends to be warmer overall, with a maximum temperature reaching up to 37°C (98°F), compared to June's maximum of 33°C (92°F). Precipitation is slightly higher in August with 20 mm (0.8 in) over 4 days, while June sees 16 mm (0.6 in) across just 2 days. Additionally, humidity levels are notably different; June has a higher humidity at 48%, while August is drier, with humidity at 38%. For more detailed insights into June weather, you can check Valparaiso weather in June.
In comparing the weather of August and July, August tends to be warmer overall, with average temperatures reaching 22°C (73°F) compared to July’s average of 21°C (70°F). August also sees a higher maximum temperature of 37°C (98°F), while July peaks at 33°C (92°F). Interestingly, August experiences slightly more precipitation, totaling 20 mm (0.8 in) over four days, whereas July is notably drier with only 10 mm (0.4 in) and no recorded rainy days. Additionally, humidity levels are lower in August at 38%, compared to July's higher humidity of 44%. For those interested in more details, you can check the Valparaiso weather in July.
In August, the weather features a temperature range with a minimum of 7°C (45°F) and a maximum of 37°C (98°F), averaging around 22°C (73°F). Precipitation is relatively low at 20 mm (0.8 in) over 4 days, with a humidity level of 38%. In contrast, September experiences warmer conditions, with temperatures ranging from a minimum of 13°C (55°F) to a maximum of 41°C (106°F), averaging 27°C (80°F). While precipitation slightly increases to 23 mm (0.9 in) over just 3 days, the humidity decreases to 33%. For more insights on the weather in this month, you can visit Valparaiso weather in September.
In August, the weather features a milder climate with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 37°C (98°F), averaging around 22°C (73°F). The month sees relatively low precipitation at 20 mm (0.8 in) over just 4 days, with humidity levels at 38%. In contrast, October experiences warmer temperatures, with a minimum of 15°C (60°F) and soaring to a maximum of 42°C (108°F), averaging 26°C (80°F). However, October is also much wetter, receiving 101 mm (4.0 in) of rain across 12 days, although the humidity drops slightly to 31%. For a closer look at October's weather patterns, check Valparaiso weather in October.
When comparing the weather in August and November, there are notable differences in temperature, precipitation, and humidity. August typically features a cooler climate with temperatures ranging between a minimum of 7°C (45°F) and an average of 22°C (73°F), while November offers warmer conditions with a minimum of 14°C (58°F) and an average of 26°C (80°F). In terms of precipitation, August is relatively dry, receiving only 20 mm (0.8 in) over 4 days, whereas November is much wetter, experiencing 115 mm (4.5 in) across 13 days. This increase in rainfall also contributes to higher humidity levels in November, which sits at 62%, compared to August’s 38%. For more details, check out Valparaiso weather in November.
In August, the weather is generally mild with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 37°C (98°F), and an average of 22°C (73°F). Precipitation is relatively low at 20 mm (0.8 in) over just 4 days, accompanied by a humidity level of 38%. In contrast, December brings more warmth and humidity, with temperatures varying from 17°C (63°F) to 36°C (98°F) and an average of 26°C (80°F). However, it also experiences significantly higher rainfall at 164 mm (6.5 in) across 17 days and an increased humidity of 82%. For more information, you can check Valparaiso weather in December.
August in Valparaíso marks a transition, offering a unique climatic experience compared to other months. While temperatures can soar up to 37°C (98°F), the average remains a comfortable 22°C (73°F), providing warm days and cooler nights. Unlike the wetter months, August sees less rain, with only about 20 mm across just a few days, resulting in a 38% humidity that adds a pleasant touch to the warm air. Whether you're exploring the vibrant streets or relaxing by the coast, August offers a delightful blend of warmth and refreshing breezes. For a deeper dive into what Valparaíso has to offer year-round, check out Valparaiso Climate.