Last updated: August 21, 2025
In Rosario, Argentina, July brings a delightful yet varied climate, with temperatures ranging from a brisk -4°C (24°F) to a pleasant 27°C (80°F). The average temperature hovers around a comfortable 11°C (52°F), making it an inviting time for outdoor exploration. Visitors should be prepared for occasional rain, as the city experiences 29 mm (1.2 in) of precipitation over approximately 6 days, contributing to a humidity level of 62%. Whether basking in the sun on warmer days or enjoying the cool evenings, July in Rosario offers a unique blend of conditions for both locals and travelers alike.
In July, temperatures in Rosario, Argentina experience a noticeable drop, marking the heart of winter with a minimum of -4°C (24°F) and a cool average of 11°C (52°F). Despite the chill, daytime highs can still reach a mild 27°C (80°F), providing a refreshing contrast to the colder nights. This month is a significant shift from the sweltering heat of January, where temperatures soar to 41°C (105°F). As winter envelops the region, residents can expect crisp mornings and relatively pleasant afternoons, embodying the unique character of Rosario's seasonal transitions. The trend clearly highlights a gradual temperature decline from summer's peak in January, leading into the cooler, more temperate winter months.
In July, Rosario, Argentina experiences a modest dip in precipitation, recording just 29 mm (1.2 in) over six days. This volume mirrors the light rainfall of June, indicating a trend towards drier conditions as winter progresses. The decrease compared to the earlier months of the year, particularly April with its hefty 131 mm (5.2 in) and multiple rainy days, highlights a seasonal shift. As winter settles in, these lower precipitation levels provide a brief pause before spring rains return, with August expected to see a slight uptick to 35 mm (1.4 in). This pattern underscores the cyclical nature of Rosario's climate, where each month brings its own rhythm of wet and dry days.
In July, Rosario experiences a notable dip in humidity, averaging around 62%. This decrease follows a humid stretch from April to June, where levels peaked at 82% and gradually fell. The pattern reveals that as the year progresses into winter, humidity tends to decline after the late spring and early summer months, suggesting a shift in atmospheric conditions. Interestingly, while July's humidity is lower than its preceding months, it aligns closely with the humidity levels seen in September and August, hinting at a seasonal consistency that characterizes the city’s climate during the winter months.
In July, Rosario experiences a moderate UV Index of 4, with a burn time of approximately 30 minutes. This reflects a notable shift from the extreme levels observed in the summer months, as both January and February feature an intense UV Index of 14. As the year progresses, the UV Index gradually decreases, hitting its lowest point during the winter months of June and July. This trend indicates a safer period for outdoor activities, though it's still wise to remain vigilant about sun exposure. For more detailed insights on UV levels throughout the year, check out Rosario UV Index.
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In July, Rosario, Argentina experiences a modest 227 hours of sunshine, reflecting a dip in daylight as the winter months set in. Following the sunnier weeks of late autumn, this slight decrease continues the trend seen from May through June, where sunshine hours fall to their lowest. Nevertheless, as winter wanes, hope glimmers on the horizon, with a noticeable increase in sunlight expected come August, which boasts 281 hours. This seasonal rhythm underscores the vibrant life in Rosario, where each month paints a unique picture of light and warmth, paving the way for the brighter days of summer ahead.
In Rosario, Argentina, July stands out with a 74% chance of sunny weather, making it one of the sunniest months of the year. This increase in sunshine is part of a broader trend observed from the winter months into early spring, with August following closely with 78%. Comparing July to preceding months like June and March, which hover around 47% to 60%, it's clear that sunshine becomes more prevalent as winter nears its end. October also supports this trend, showcasing a 73% chance of sun as spring approaches. This cycle highlights a seasonal transition where sunshine becomes increasingly likely, brightening up the winter landscape of Rosario.
In Rosario, Argentina, the pattern of daylight duration is a captivating testament to the changing seasons. Beginning in January, days stretch luxuriously with 14 hours of sunlight, gradually transitioning to 13 hours in February and 12 hours by March. As autumn approaches, daylight dwindles to just 11 hours in April, reaching a low of 9 hours in June. However, July marks a turning point as daylight springs back to 10 hours, maintaining that length through August. This brief resurgence hints at the gradual return of longer days, with September witnessing an increase back to 11 hours and a steady climb towards the sunlit splendor of summer, where December again basks in 14 hours of daylight. The rhythm of light and shadow in Rosario underscores the seasonal dance, inviting residents and visitors alike to savor the unique charm each month brings.
In July, the winds in Rosario, Argentina pick up slightly, with an average speed of 3.3 m/s (7 mph), reflecting a subtle increase from the previous months. This gentle breeze is part of a larger trend observed during the winter months, where wind speeds hover around 3.1 m/s in both May and June. Although July's winds are relatively mild, the trajectory indicates a gradually increasing gustiness that peaks in September at 3.8 m/s (9 mph), hinting at the shifting seasonal patterns. This mild increase serves as a precursor to the more robust winds that sweep through the city as spring approaches, perfectly complementing the crisp winter air of Rosario.
Weather in Rosario varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Rosario, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in July and January, it's clear that these months present contrasting experiences. July features cooler temperatures, with a minimum of -4°C (24°F) and a maximum of 27°C (80°F), primarily characterized by mild conditions averaging around 11°C (52°F). In addition, July sees relatively low precipitation levels of 29 mm (1.2 in) over 6 days, accompanied by a higher humidity of 62%.
In stark contrast, January boasts much warmer temperatures, ranging from a minimum of 11°C (53°F) to a scorching maximum of 41°C (105°F), with an average temperature of 25°C (77°F). This month also experiences higher rainfall, totaling 105 mm (4.1 in) across 7 days, but a lower humidity level at 48%. For a more detailed look at January weather in Rosario, you can visit Rosario weather in January.
When comparing the weather in July and February, noteworthy differences emerge. July experiences cooler temperatures, with a minimum of -4°C (24°F), an average of 11°C (52°F), and a maximum of 27°C (80°F). It also sees relatively low precipitation at 29 mm (1.2 in) over six days, alongside a humidity level of 62%. In contrast, February boasts warmer conditions, with minimum temperatures rising to 9°C (48°F), an average of 24°C (75°F), and a peak of 36°C (98°F). It tends to be wetter, receiving 63 mm (2.5 in) of rainfall over seven days, and exhibits lower humidity at 55%. For more details, visit Rosario weather in February.
When comparing the weather in July and March, significant differences emerge. July typically experiences cooler temperatures, with a range from a minimum of -4°C (24°F) to a maximum of 27°C (80°F), averaging around 11°C (52°F). In contrast, March boasts a much warmer climate, with temperatures ranging from a minimum of 7°C (44°F) to a sizzling maximum of 35°C (95°F), and an average of 21°C (71°F). Additionally, March sees nearly three times the precipitation of July, with a total of 93 mm (3.6 in) compared to July's 29 mm (1.2 in), although both months have precipitation on six days. The humidity levels remain fairly consistent, with July at 62% and March at 64%. For a detailed look at March weather, check out Rosario weather in March.
In comparing the weather between July and April, notable differences emerge in temperature and precipitation. July experiences cooler temperatures, with a minimum of -4°C (24°F) and an average of 11°C (52°F), while in April, the range is warmer, starting at a minimum of 3°C (37°F) and reaching an average high of 19°C (66°F). April also sees a significant increase in rainfall, with 131 mm (5.2 in) spread over 7 days, compared to July's much lighter precipitation of 29 mm (1.2 in) over 6 days. Moreover, the humidity is higher in April at 76%, contrasted with July's 62%. For a more comprehensive view of April's weather patterns, you can refer to Rosario weather in April.
In comparing the weather of July and May, July tends to be cooler overall, with average temperatures around 11°C (52°F) compared to May's warmer average of 14°C (58°F). While maximum temperatures in both months can reach similar highs, May experiences a slightly warmer maximum of 28°C (83°F), whereas July peaks at 27°C (80°F). Precipitation is notably heavier in May, with 71 mm (2.8 in) of rain over 6 days, compared to July's lighter rainfall of 29 mm (1.2 in) over the same number of days. Additionally, May's humidity is higher at 82%, compared to July's relative humidity of 62%. For more detailed weather information, you can check Rosario weather in May.
In comparing the weather of July and June, July experiences slightly cooler temperatures with a minimum of -4°C (24°F) compared to June's -2°C (28°F). The average temperature in July is 11°C (52°F), just a degree lower than June's average of 12°C (53°F), while both months reach similar maximums of 27°C (80°F) and 26°C (79°F), respectively. Interestingly, both months have comparable precipitation, with July receiving 29 mm (1.2 in) over 6 days and June seeing 29 mm (1.1 in) over just 3 days. However, July has lower humidity at 62%, whereas June has a higher humidity level of 77%. For more detailed insights into June's weather, you can check Rosario weather in June.
When comparing the weather in July and August, we see a noticeable warming trend. July features temperatures that range from a chilly minimum of -4°C (24°F) to a pleasant maximum of 27°C (80°F), with an average of 11°C (52°F). It experiences about 29 mm (1.2 in) of precipitation over 6 days, alongside a humidity level of 62%. In contrast, August brings slightly higher temperatures, with a minimum of -2°C (29°F), an average of 13°C (55°F), and a maximum reaching 31°C (88°F). The month also experiences increased precipitation of 35 mm (1.4 in) over just 4 days and slightly lower humidity at 59%. For more details, check Rosario weather in August.
In comparing the weather between July and September, there are some notable differences. July tends to be cooler with average temperatures ranging from -4°C (24°F) to a max of 27°C (80°F), while September sees a warmer average, with temperatures between -1°C (31°F) and a high of 33°C (92°F). Precipitation is also more significant in September, totaling 58 mm (2.3 in) over six days compared to July's 29 mm (1.2 in) during the same number of days. Interestingly, humidity remains constant at 62% in both months. For more details on the weather patterns in September, check out Rosario weather in September.
In comparing July and October weather, July features cooler temperatures with a minimum of -4°C (24°F), averaging around 11°C (52°F), and can reach a maximum of 27°C (80°F). During this month, precipitation is relatively low at 29 mm (1.2 in) over 6 days, and humidity levels are at 62%. In contrast, October shows a significant warmth with a minimum of 4°C (40°F), an average of 18°C (65°F), and soaring to a high of 37°C (100°F). October also experiences more precipitation overall, totaling 63 mm (2.5 in) across 8 days, but with lower humidity at 52%. For a more detailed look at the weather trends, check out Rosario weather in October.
July and November present contrasting weather conditions. In July, temperatures tend to be much cooler, with a minimum of -4°C (24°F) and an average of 11°C (52°F), reaching a maximum of 27°C (80°F). The month sees relatively light rainfall, totaling 29 mm (1.2 in) spread over 6 days, accompanied by a humidity level of 62%. In contrast, November experiences significantly warmer temperatures, with a minimum of 7°C (45°F), an average of 22°C (71°F), and a peak of 37°C (98°F). This month also features increased precipitation of 81 mm (3.2 in) across the same 6 days, but with slightly lower humidity at 56%. For more details on weather specifics in November, you can visit Rosario weather in November.
In July, the weather in Rosario is considerably cooler, with temperatures ranging from a minimum of -4°C (24°F) to a maximum of 27°C (80°F). The average temperature hovers around 11°C (52°F), accompanied by 29 mm (1.2 in) of precipitation over about 6 days and a humidity level of 62%. In contrast, December presents a much warmer climate, with temperatures ranging from a minimum of 10°C (50°F) to a scorching maximum of 38°C (100°F). The average temperature in December is significantly higher at 24°C (75°F), along with increased precipitation of 69 mm (2.7 in) over 8 days, but lower humidity at 51%. For more details on the December weather in Rosario, visit Rosario weather in December.
As July unfolds in Rosario, it brings a notable shift in the weather, introducing cooler temperatures that contrast with the warmth of the earlier months. The average temperature hovers around a brisk 11°C (52°F), with maximums peaking at a comfortable 27°C (80°F) on warmer days, while nighttime can dip significantly, reminding residents of the winter chill with lows around -4°C (24°F). Precipitation is relatively low this month, totaling 29 mm (1.2 in) over approximately 6 rainy days, which helps maintain a humidity level of 62%. This combination makes July distinctly more refreshing compared to the hotter summer months, inviting both locals and visitors to enjoy the city's winter charm. For more details on what to expect throughout the year, check out the comprehensive Rosario Climate.