Last updated: August 21, 2025
In April, the weather in Rosario, Argentina showcases a delightful transition into autumn, marked by a maximum temperature of 33°C (91°F) and an average of 19°C (66°F). While the city enjoys warm days, it cools down significantly at night, reaching a minimum of 3°C (37°F). Rainfall is moderate, with a total of 131 mm (5.2 in) spread over seven days, contributing to the lush scenery characteristic of the season. With a humidity level of 76%, the air retains a refreshing quality, making April a picturesque time to experience Rosario's vibrant landscapes and delightful weather.
In April, Rosario, Argentina, experiences a delightful transition as temperatures begin to cool from the heat of summer. The month opens with a minimum temperature dropping to 3°C (37°F), while the average settles around a comfortable 19°C (66°F). The peak temperatures can still reach up to 33°C (91°F), offering pleasantly warm days. This dip in temperature marks a shift from the warmer months of January through March, where averages swelled into the mid-twenties and beyond. As fall takes hold, the weather remains mild, making it an ideal time to explore the city's vibrant culture and the blossoming beauty of autumn.
In April, Rosario, Argentina experiences a significant uptick in precipitation, with an impressive 131 mm (5.2 in) of rainfall spread over seven days. This marks a notable increase from the previous months, particularly after the relatively lower totals in February and March. The month not only provides the highest precipitation of the year thus far, but it also signals a shift towards the wetter season, preparing the region for the lush greenery that follows. As spring progresses, this trend highlights the city’s transition from the cooler, drier summer months, showcasing the dynamic and variable climate that characterizes Rosario.
In April, Rosario, Argentina experiences a notable uptick in humidity, reaching 76%—a significant rise from the preceding months. This increase marks a transition into the autumn season, where the humidity steadily climbs, peaking in May at 82%. This trend reflects a shift from the drier conditions of early summer, where January and February see levels around 48% and 55%, respectively. As the year progresses, humidity levels fluctuate, but April stands out as a pivotal month, signaling the onset of more humid weather that continues into late autumn before tapering off into the drier months of late winter and spring.
In April, Rosario, Argentina, experiences a notable drop in UV Index from the extreme levels of summer, registering at 8, which falls into the very high exposure category. This indicates that while the risk of harm from unprotected sun exposure remains significant, the recommended burn time increases to 15 minutes. Compared to the previous months where UV Index values peaked at 14 in January and February, April signals a transition towards more moderate sunlight intensity as autumn approaches. However, with UV levels still relatively high, it's crucial for residents and visitors to remain vigilant and practice sun safety. For more details, visit Rosario UV Index.
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April in Rosario, Argentina, sees 260 hours of sunshine, marking a pleasant transition from the peak summer months. While this is a notable dip from the sun-drenched heights of January and February—with their impressive 294 and 324 hours, respectively—April's sunshine still offers a delightful respite. This month acts as a bridge, leading into the cooler winter period, where sunlight begins to dwindle further, dropping to 231 hours in May and 222 hours in June. Interestingly, as the year progresses, Rosario experiences an upward trend from the earlier months in the second half of the year, with October boasting 310 hours of bright skies and November shining even brighter at 344 hours. Overall, April's sunshine hints at the changing seasons while revealing the ebb and flow of light that characterizes this beautiful Argentine city throughout the year.
As April rolls into Rosario, Argentina, residents can look forward to a fairly bright month, with the likelihood of sunny weather peaking at 68%. This marks a notable increase from March, which experienced only 47% sunshine, reinforcing the trend of improving weather as the year progresses. Following the cooler months of winter, April stands out as a promising transition into spring, nestled comfortably between the still-chilly March and the sunnier spells of May, which retains a 60% chance of sunshine. Observing the broader pattern, summer months emerge with even higher probabilities, suggesting that those seeking warmer and sunnier days can expect April to be a delightful precursor to the brighter months ahead.
As autumn settles in Rosario, Argentina, April brings a gentle decrease in daylight, offering approximately 11 hours of sunlight—a noticeable shift from the vibrant summer months of January and February when the city basked in nearly 14 hours of daylight. This gradual decline, consistent throughout the year, reflects the transition towards winter; daylight steadily wanes, reaching its annual low of 9 hours in June before gradually increasing again. In April, as nature transforms and cooler breezes begin to sweep the city, residents enjoy the remaining sunlight, a reminder of the warmth that will return with the spring. This ebb and flow of daylight not only marks the changing seasons but also underscores the rhythm of life in Rosario, where each hour of sunshine is cherished in this picturesque landscape.
In April, Rosario, Argentina experiences a gentle average wind speed of 2.9 m/s (6 mph), slightly picking up from the calmer conditions of the previous months, January through March. This subtle increase in wind (from 2.8 m/s to 2.9 m/s) indicates a transition as the seasons change, preparing the city for the breezier days ahead in May and June, when speeds reach around 3.1 m/s. As the year progresses, especially into the spring, residents and visitors alike can expect the winds to gradually strengthen, contributing to a vibrant atmosphere filled with the lively energy that characterizes this charming city.
Weather in Rosario varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Rosario, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January present quite different weather patterns. In April, temperatures range from a cooler minimum of 3°C (37°F) to a maximum of 33°C (91°F), with an average temperature around 19°C (66°F). The month experiences significant precipitation, totaling 131 mm (5.2 in) over about 7 days, accompanied by high humidity levels of 76%. In contrast, January is noticeably warmer, with minimum temperatures at 11°C (53°F) and maximums soaring to 41°C (105°F), averaging 25°C (77°F). It also sees slightly less rainfall at 105 mm (4.1 in) over the same number of days, but with much lower humidity at 48%. For a more detailed look at January's climate, you can visit Rosario weather in January.
April weather in Rosario presents a cooler profile compared to February. While April's average temperature hovers around 19°C (66°F), February is notably warmer with an average of 24°C (75°F). The maximum temperatures also reflect this contrast, with February peaking at 36°C (98°F), whereas April reaches a milder 33°C (91°F). Additionally, April sees significantly more precipitation, measuring 131 mm (5.2 in) over 7 days, in comparison to February’s 63 mm (2.5 in) over the same number of days. The humidity is also higher in April at 76%, compared to February's 55%. For further details, you can check Rosario weather in February.
In comparing the weather of March and April, we see notable differences in temperature and precipitation patterns. March experiences slightly warmer average temperatures, with a minimum of 7°C (44°F), an average of 21°C (71°F), and a maximum of 35°C (95°F). In contrast, April's temperatures are cooler, ranging from a minimum of 3°C (37°F) to a maximum of 33°C (91°F), with an average of 19°C (66°F). Interestingly, April is wetter, receiving 131 mm (5.2 in) of precipitation over 7 days, compared to March's 93 mm (3.6 in) over 6 days. Additionally, April sees higher humidity levels at 76% compared to March's 64%. For more detailed insights on March weather, you can visit Rosario weather in March.
April and May exhibit distinct differences in weather patterns. April boasts a wider temperature range with minimums of 3°C and maximums reaching up to 33°C, alongside an average of 19°C. It also experiences higher precipitation levels at 131 mm over 7 days, coupled with a humidity of 76%. In contrast, May's temperatures dip slightly, with minimums dropping to -1°C and an average of 14°C, though maximums remain comfortable at 28°C. Additionally, May sees reduced precipitation at 71 mm over just 6 days, but humidity climbs to 82%. For more detailed insights into May's climate, you can check Rosario weather in May.
April and June exhibit notable differences in weather patterns. In April, temperatures range from a minimum of 3°C (37°F) to a maximum of 33°C (91°F), with an average of 19°C (66°F). The month experiences significant rainfall, totaling 131 mm (5.2 in) across 7 days, and maintains a humidity level of 76%. In contrast, June sees a cooler climate, with temperatures ranging from a low of -2°C (28°F) to a high of 26°C (79°F), and an average temperature of 12°C (53°F). Precipitation in June is much lighter, at only 29 mm (1.1 in) over 3 days, while humidity remains slightly higher at 77%. For a more detailed look at June's weather, visit Rosario weather in June.
When comparing the weather in April and July, April tends to be warmer and wetter. In April, temperatures range from a minimum of 3°C (37°F) to a maximum of 33°C (91°F), with an average of 19°C (66°F) and a significant amount of precipitation at 131 mm (5.2 in) over 7 days, coupled with a high humidity of 76%.
In contrast, July features cooler temperatures, with a minimum of -4°C (24°F) and a maximum of 27°C (80°F), averaging just 11°C (52°F). The month receives considerably less rainfall, totaling 29 mm (1.2 in) across 6 days, and has lower humidity levels of 62%. For more detailed insights into July weather specifics, check out Rosario weather in July.
April and August showcase notably different weather patterns. In April, temperatures range from a chilly minimum of 3°C (37°F) to a warm maximum of 33°C (91°F), with an average of 19°C (66°F), accompanied by 131 mm of precipitation over 7 days and a high humidity level of 76%. In contrast, August features a broader temperature range, with a minimum of -2°C (29°F) and a maximum of 31°C (88°F), but a much lower average of 13°C (55°F). Rainfall is significantly reduced in August, totaling just 35 mm over 4 days, and the humidity drops to 59%. For more detailed information on the weather in August, you can check Rosario weather in August.
April and September present distinct differences in weather patterns. In April, temperatures range significantly from a chilly minimum of 3°C (37°F) to a warm maximum of 33°C (91°F), with an average of 19°C (66°F). This month also sees a substantial amount of rain, with 131 mm (5.2 in) of precipitation over approximately 7 days and a higher humidity level of 76%. In contrast, September experiences cooler temperatures, with a minimum of -1°C (31°F) and an average of 16°C (60°F), although it can still reach a high of 33°C (92°F). Rainfall is lighter in September, totaling 58 mm (2.3 in) over about 6 days and accompanied by lower humidity at 62%. For more detailed information on September weather, check out Rosario weather in September.
In April, temperatures range from a minimum of 3°C (37°F) to a maximum of 33°C (91°F), with an average of 19°C (66°F). The month experiences significantly more precipitation, totaling 131 mm (5.2 in) over approximately 7 days, and the humidity is relatively high at 76%. In contrast, October sees slightly warmer minimum temperatures at 4°C (40°F) and an average of 18°C (65°F), with a peak reaching 37°C (100°F). Rainfall is considerably less, with only 63 mm (2.5 in) over 8 days, and the humidity drops to a more comfortable 52%. For detailed insights on October's climate, you can explore Rosario weather in October.
April and November present contrasting weather patterns. In April, temperatures range from a cool minimum of 3°C (37°F) to a warm maximum of 33°C (91°F), with an average of 19°C (66°F). This month also experiences higher precipitation of 131 mm (5.2 in) over about 7 days, coupled with increased humidity at 76%. Conversely, November features milder minimum temperatures at 7°C (45°F) and a higher average temperature of 22°C (71°F), reaching maximums of 37°C (98°F). The rainfall decreases to 81 mm (3.2 in) over just 6 days, alongside a lower humidity of 56%. For more detailed information about November weather, you can visit Rosario weather in November.
When comparing the weather in April and December, significant differences become apparent. April experiences a broader temperature range, with minimums dipping to 3°C (37°F) and maximums reaching up to 33°C (91°F). It also has higher precipitation levels, averaging 131 mm (5.2 in) over about 7 days, contributing to a noticeably humid environment with humidity levels around 76%. In contrast, December features milder minimum temperatures at 10°C (50°F) and warmer maximums soaring to 38°C (100°F). This month sees significantly less precipitation at 69 mm (2.7 in) over 8 days, resulting in a drier atmosphere, reflected in the lower humidity of 51%. For more details on December's weather, visit Rosario weather in December.
April in Rosario presents a unique transition from the warm embrace of summer to the more moderate temperatures of autumn. While the maximum reaches a pleasant 33°C (91°F), the average cools to a comfortable 19°C (66°F), allowing for both warm days and cooler nights. With 131 mm (5.2 in) of precipitation spread over about 7 days, rainfall becomes a more frequent companion, contributing to the lushness of the landscape. This prelude to winter combines with a humidity of 76%, creating a refreshing atmosphere that differs from the drier months preceding it. For a deeper dive into how these conditions shape life in the region, visit Rosario Climate.