Last updated: August 21, 2025
In Rosario, Argentina, August showcases a delightful blend of temperate weather, characterized by a maximum temperature of 31°C (88°F) and a refreshing average of 13°C (55°F). While the minimum temperature dips to -2°C (29°F), bringing cool nights, the month's overall warmth invites outdoor activities. With a rainfall total of 35 mm (1.4 in) across four days, residents experience occasional showers that help maintain the region's lush greenery. Coupled with an average humidity of 59%, August in Rosario is a month that balances warmth and freshness, ideal for enjoying the vibrant local culture and scenic views.
In August, Rosario's temperatures begin to transition from the chill of winter towards the warmth of spring, showcasing a notable shift in climate. The average temperature settles at a brisk 13°C (55°F), with daily highs reaching up to 31°C (88°F), allowing for a comfortable blend of cool mornings and warm afternoons. Nights can still be chilly, with lows dipping to -2°C (29°F), reflecting the lingering influences of winter. As the month progresses, there’s a marked increase in temperature compared to July, hinting at the approach of spring and the vibrant life it brings, while the fluctuation between day and night temperatures emphasizes the region's diverse climatic patterns.
In August, Rosario, Argentina experiences a notable dip in precipitation, with 35 mm (1.4 in) of rain falling over just 4 days. This marks a continuation of the dry spell that begins in the winter months, contrasting sharply with the heavier downpours of earlier in the year. Following the wet conditions of April, where 131 mm (5.2 in) was recorded, August’s rainfall suggests a shift toward a drier late winter. As the region gradually transitions toward spring, the lighter rainfall pattern foreshadows an increase in precipitation in September, which typically sees a rise to 58 mm (2.3 in) over more rainy days. The overall trend indicates a rhythm of moisture that ebbs and flows with the changing seasons, highlighting the dynamic climate of this vibrant city.
In August, Rosario, Argentina, experiences a moderate humidity level of 59%, marking a slight decrease from the higher figures of the preceding months. Following a peak in May at 82%, humidity levels have gradually trended downward through the winter months of June and July, before stabilizing in late summer. This shift hints at the impending transition into the drier months of September and October, where humidity begins to hover around 62% and 52%, respectively. The overall pattern reflects a seasonal ebb and flow, ensuring that while August may feel a bit more comfortable, the humidity levels remain a significant aspect of Rosario's climatic rhythm.
In August, Rosario, Argentina, experiences a UV Index of 6, placing it in the high exposure category with a burn time of 25 minutes. As the winter months transition towards spring, the UV levels begin to rise from the lower indexes seen in the previous months. This shift indicates an increase in sun intensity, although it still remains significantly lower than the extreme levels observed at the start of the year. As daylight hours lengthen, it’s essential to stay vigilant about sun protection. For more detailed information on UV levels throughout the year, feel free to check the Rosario UV Index.
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In August, Rosario, Argentina experiences a delightful 281 hours of sunshine, marking a revival from the cooler winter months. Following a dip during the cooler season, where daylight dipped to as low as 222 hours in June, August's days grow longer and warmer, hinting at the approaching spring. This month stands higher than its winter predecessors of July (227 hours) but still lags behind the sun-soaked months of late spring and summer. As September approaches, the sunny trend continues, promising 273 hours of light, paving the way for the vibrant bloom of spring in this picturesque city.
In August, Rosario, Argentina, enjoys a promising 78% chance of sunny weather, making it one of the sunniest months of the year. This uptick in sunshine follows a notable pattern, as the city transitions from the chill of winter to the warmth of spring. After a somewhat gloomy mid-year slump in June and July—where sunny days hovered around 47% and 74% respectively—August marks a refreshing shift. The warmer temperatures and increased sunlight not only enhance the outdoor ambiance but also signal the start of a vibrant spring season, inviting residents and visitors alike to revel in the sun-drenched days ahead.
In August, daylight in Rosario, Argentina, settles at 10 hours, marking a turning point as winter gives way to the impending spring. This month mirrors the shortened daylight of July but hints at the gradual increase to come. Following months of dwindling light, where January boasted a generous 14 hours, the trend of lengthening days begins to rekindle hope of warmer evenings ahead. As the sun's presence lengthens in September, Rosario transitions from the chill of winter to the vibrancy of blooming spring, inviting anticipation of longer, sun-kissed days.
In August, Rosario, Argentina experiences a gentle shift in average wind speed, clocking in at 3.0 m/s (7 mph). This month maintains a comfortable breeze, slightly less than the more vigorous winds of July, which recorded 3.3 m/s (7 mph). The trend throughout the winter months reveals a gradual increase in wind speed, peaking in September at 3.8 m/s (9 mph), hinting at the refreshing change of seasons. As the year progresses, these breezy days seem to usher in the promise of spring, creating an ideal backdrop for the vibrant life of the city. The consistency in wind patterns during this transitional month reflects the charm and dynamism of Rosario, showcasing the subtle interplay between seasons.
Weather in Rosario varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Rosario, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of August and January, it is evident that January is significantly warmer, with average temperatures reaching 25°C (77°F) compared to August's milder average of 13°C (55°F). Moreover, January experiences higher maximum temperatures, soaring up to 41°C (105°F), while August peaks at a much cooler 31°C (88°F). Precipitation also varies between the two months, with January receiving more rain at 105 mm (4.1 in) over 7 days compared to August's 35 mm (1.4 in) over just 4 days, leading to a noticeable difference in humidity levels as well—59% in August versus 48% in January. For more information on January weather specifics in Rosario, you can visit Rosario weather in January.
When comparing the weather of August and February, notable differences emerge. August experiences a wider temperature range, with minimums reaching down to -2°C (29°F) and maximums climbing to 31°C (88°F), while February boasts a generally warmer climate with its temperatures ranging from a minimum of 9°C (48°F) to a maximum of 36°C (98°F). Precipitation is more frequent in February, with 63 mm spread over 7 days compared to August's 35 mm over just 4 days, though humidity levels are fairly similar at 59% in August and 55% in February. For a closer look at February weather specifics, check out Rosario weather in February.
In comparing August and March weather, we see notable differences in temperature and precipitation patterns. August experiences a wider range of temperatures, with a minimum of -2°C (29°F) and a maximum of 31°C (88°F), alongside an average of 13°C (55°F). In contrast, March boasts a milder minimum of 7°C (44°F) and a higher maximum of 35°C (95°F), presenting an average temperature of 21°C (71°F). Precipitation is also more prominent in March, with 93 mm (3.6 in) falling over 6 days compared to August's 35 mm (1.4 in) over only 4 days. Humidity levels are similar, with March slightly higher at 64% compared to August's 59%. For more details, you can check out Rosario weather in March.
When comparing the weather in August and April, notable differences emerge in both temperature and precipitation. August experiences a broader temperature range, with minimums dipping to -2°C (29°F) and maximums reaching 31°C (88°F), averaging around 13°C (55°F). In contrast, April presents milder conditions, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 33°C (91°F) and an average of 19°C (66°F). Furthermore, April sees considerably higher precipitation at 131 mm (5.2 in) over 7 days, compared to August's drier weather of only 35 mm (1.4 in) over 4 days. Additionally, April has higher humidity levels at 76%, compared to August's 59%. For more details, you can check Rosario weather in April.
In comparing the weather of August and May, we see distinct differences in temperature and precipitation. August experiences a broader temperature range, with minimums dipping to -2°C (29°F) and maximums reaching 31°C (88°F), leading to an average of 13°C (55°F). In contrast, May maintains a milder climate, with temperatures ranging from -1°C (30°F) to a maximum of 28°C (83°F), averaging 14°C (58°F). Precipitation levels also differ significantly; August receives about 35 mm (1.4 in) over four days, while May has a higher total of 71 mm (2.8 in) across six days, resulting in much higher humidity in May at 82% compared to August's 59%. For a more detailed look at the May weather, check Rosario weather in May.
In comparing the weather of August and June, August tends to be slightly warmer overall, with average temperatures reaching 13°C (55°F) compared to June's average of 12°C (53°F). Both months experience a minimum temperature of -2°C, but August has a higher maximum temperature of 31°C (88°F), while June peaks at 26°C (79°F). Precipitation is relatively similar, with August receiving 35 mm (1.4 in) over 4 days and June totaling 29 mm (1.1 in) over 3 days. However, June exhibits higher humidity levels at 77%, compared to August's 59%. For more detailed climate patterns, you can check Rosario weather in June.
In comparing the weather conditions of July and August, we see a definitive warming trend as August records a minimum temperature of -2°C (29°F) and a maximum of 31°C (88°F), significantly warmer than July's range of -4°C (24°F) to 27°C (80°F). The average temperature in August rises to 13°C (55°F), compared to July's 11°C (52°F). Precipitation levels are slightly higher in August, with 35 mm (1.4 in) over 4 days, compared to July's 29 mm (1.2 in) over 6 days, indicating that August is not only warmer but also tends to experience more concentrated rainfall. Despite having a slightly lower humidity at 59%, August provides a more favorable climate for outdoor activities. For a more detailed look at weather patterns, check out Rosario weather in July.
In comparing the weather between August and September, we see a noticeable transition as temperatures begin to rise. August features a minimum of -2°C (29°F) and a maximum of 31°C (88°F), with an average temperature of 13°C (55°F) and relatively low precipitation at 35 mm (1.4 in) over just four days. On the other hand, September sees temperatures shift slightly higher, with a minimum of -1°C (31°F), an average of 16°C (60°F), and a maximum of 33°C (92°F). While September experiences more rainfall, totaling 58 mm (2.3 in) spread across six days, it also has a slightly higher humidity level at 62%. For detailed information on weather patterns in September, you can visit Rosario weather in September.
In August, the weather in Rosario typically features a wide temperature range, with minimums dipping to -2°C (29°F) and maximums climbing to 31°C (88°F). The average temperature hovers around 13°C (55°F), accompanied by moderate humidity levels at 59% and only about 35 mm (1.4 in) of precipitation over roughly 4 days. In contrast, October brings milder conditions with a minimum temperature of 4°C (40°F) and maximums soaring up to 37°C (100°F), resulting in a more pleasant average of 18°C (65°F). However, October also experiences increased precipitation, with 63 mm (2.5 in) spread over 8 days, and a slight decrease in humidity to 52%. For more details, you can visit Rosario weather in October.
In August, the weather is characterized by a wide temperature range, with minimums dipping to -2°C (29°F) and maximums reaching up to 31°C (88°F), accompanied by relatively low precipitation of 35 mm (1.4 in) over just four days. The average temperature hovers around a cool 13°C (55°F) and humidity levels are moderate at 59%. In contrast, November brings warmer conditions, with minimum temperatures starting at 7°C (45°F) and soaring to a high of 37°C (98°F). Precipitation increases to 81 mm (3.2 in) over six days, while the average temperature rises significantly to 22°C (71°F), and humidity remains slightly lower at 56%. For more details on November's weather, you can visit Rosario weather in November.
In August, temperatures in Rosario range from a chilly -2°C (29°F) at night to a pleasant 31°C (88°F) during the day, with an average of 13°C (55°F). The month sees moderate precipitation of 35 mm (1.4 in) over about 4 days, and humidity levels sit at 59%. In contrast, December offers a warmer climate, with minimum temperatures starting at 10°C (50°F) and soaring up to a sizzling 38°C (100°F), averaging around 24°C (75°F). Precipitation increases to 69 mm (2.7 in) over 8 days, and humidity drops to 51%. For more detailed information, you can check Rosario weather in December.
August in Rosario presents a transitional climate that stands in contrast to the warmer summer months. With a cool average temperature that dips significantly compared to the peak heat of January, this month offers a refreshing respite for locals and visitors alike. The lower humidity levels and modest precipitation – typically occurring over just a few days – contribute to a more comfortable atmosphere, fostering outdoor activities and exploration. As the city begins to shake off the chill of winter and embrace the early signs of spring, August sets the stage for a lively seasonal transformation. For an in-depth look at what to expect throughout the year, check out the comprehensive details at Rosario Climate.