Last updated: August 21, 2025
In March, Rosario, Argentina, experiences a vibrant transition into autumn, characterized by an average temperature of 21°C (71°F), with highs reaching up to 35°C (95°F). The weather offers a refreshing variety, as temperatures can dip as low as 7°C (44°F) at night. This month sees a moderate precipitation total of 93 mm (3.6 in) across about 6 rainy days, contributing to a relatively high humidity level of 64%. Visitors and locals alike can enjoy the pleasant warmth while preparing for the cooler days ahead, making it a delightful time to explore the city's rich culture and lush surroundings.
In March, temperatures in Rosario, Argentina begin to transition into the cooler autumn months. The month starts with a minimum of 7°C (44°F) and reaches a comfortable average of 21°C (71°F), making it a pleasant time to enjoy outdoor activities. The highs can still hit 35°C (95°F), showcasing the tail end of summer's warmth. Unlike the sweltering summer months of January and February, where temperatures regularly soar above 40°C (105°F), March offers a more moderate climate, balancing the remnants of heat with the hint of cooler days ahead. This shift sets the stage for the crispness of April, as Rosario gracefully eases into the autumn season.
March in Rosario, Argentina, brings a notable shift in precipitation patterns, with a total of 93 mm (3.6 in) of rain recorded over an average of 6 days. This marks a decrease from January's significant 105 mm and February's 63 mm, illustrating an overall trend of reducing rainfall as the summer months draw to a close. However, March's precipitation still contributes to a lush landscape as the city transitions into autumn, hinting at the wetter conditions that will follow in April, when average rainfall peaks at 131 mm (5.2 in). This rhythmic ebb and flow of rainfall demonstrates Rosario's dynamic climate, blending dry spells with bursts of rejuvenating rain, vital for the region's agriculture and natural beauty.
As March unfolds in Rosario, Argentina, humidity levels rise noticeably, reaching 64%, marking a significant increase from 55% in February. This trend indicates the transition into the more humid months of the year, with April and May set to experience even higher humidity at 76% and 82%, respectively. Such rising humidity is typical as summer gives way to autumn, creating a more muggy atmosphere. Following May, humidity levels begin to moderate, tapering off to 62% by July. This pattern reflects the city's climate dynamics, where the humid summer months lead to a gradual decrease heading into the cooler seasons.
As March rolls into Rosario, Argentina, the sun remains fierce with a UV Index of 11, classified as extreme, indicating that even brief exposure can lead to skin damage in just 10 minutes. This month marks a gradual decline from the peak levels observed in January and February, where the UV Index reached a staggering 14, but caution is still essential as the sun's rays can be punishing. With the days becoming longer and warmer, it's crucial to stay vigilant with sun protection measures. For further details on UV Levels throughout the year, check out Rosario UV Index.
UV Risk Categories
March shines brightly in Rosario, Argentina, offering an impressive 315 hours of sunshine. This vibrant month follows closely behind February's peak of 324 hours, showcasing a slight yet delightful dip in golden rays. As summer transitions to autumn, March keeps the warmth alive, providing residents and visitors alike with ample opportunity to bask in the sun before the cooler months set in. Notably, the sunshine hours will gradually decline in April, marking a gentle shift towards winter, but March stands out as a reminder of the lingering warmth as the year's rhythm continues to evolve.
In Rosario, Argentina, the likelihood of sunny weather in March is 47%, a noticeable dip compared to the sunnier months of January and February, which boast 60% and 66% chances, respectively. As summer transitions into autumn, the sunny spell begins to wane, setting the stage for April's 68% chance of sunshine. This trend highlights a seasonal shift, where sunny days become less frequent, leading into the cooler months of the year. Interestingly, July and August see a rebound, with chances soaring to 74% and 78%, offering a surprising twist to the weather patterns as the year progresses.
As March rolls into Rosario, Argentina, the days gradually shorten, offering around 12 hours of daylight. This transition marks a shift from the exuberant 14 hours enjoyed in January, followed by a steady decline throughout February. The trend reflects the passage of summer into autumn, as daylight dips to 11 hours in April and further decreases throughout the winter months. Interestingly, this natural rhythm continues with daylight duration fluctuating slightly as we move toward spring, ultimately returning to 12 hours by October. Embracing these changing light patterns can enhance the appreciation of each season's unique charm in this vibrant city.
As March arrives in Rosario, Argentina, the city experiences a gentle breeze, with average wind speeds holding steady at 2.8 m/s (6 mph), matching February’s calmness. This early autumn month transitions seamlessly from the lighter winds of summer, which peak at 3.2 m/s (7 mph) in January, to consistent breeziness that begins to build in April. While March's winds mirror those of February, they hint at a gradual uptick in speed as the seasons shift, with the winds gradually growing stronger in the months ahead, particularly as September approaches with an invigorating 3.8 m/s (9 mph). Such trends reflect the shift not only in weather patterns but also in the vibrant atmosphere of Rosario, as each gust carries hints of the changing seasons.
Weather in Rosario varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Rosario, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between March and January, we notice distinct differences in temperature and humidity. March offers a more moderate temperature range, with a minimum of 7°C (44°F) and a maximum of 35°C (95°F), averaging around 21°C (71°F). In contrast, January experiences warmer conditions, with a minimum of 11°C (53°F) and highs reaching up to 41°C (105°F), averaging 25°C (77°F). Additionally, January has slightly higher precipitation, amounting to 105 mm (4.1 in) over 7 days, while March sees 93 mm (3.6 in) over 6 days, along with a higher humidity level of 64% compared to January's 48%. For more detailed information, you can check Rosario weather in January.
In comparing the weather of March and February, March exhibits a wider temperature range, with minimums of 7°C (44°F) and maximums reaching up to 35°C (95°F), while February tends to be a bit warmer overall, with minimums of 9°C (48°F) and maximums hitting 36°C (98°F). March experiences slightly more precipitation, totaling 93 mm (3.6 in) over about 6 days, compared to February's 63 mm (2.5 in) across 7 days. Additionally, the humidity in March is higher at 64%, compared to February's 55%, creating a more humid experience as the season progresses. For a more detailed look, you can visit Rosario weather in February.
In March, the weather displays a wider temperature range with minimums around 7°C (44°F) and maximums reaching up to 35°C (95°F). The average temperature is 21°C (71°F), and precipitation is relatively moderate at 93 mm (3.6 in) over six days, coupled with a humidity level of 64%. In contrast, April brings slightly cooler temperatures, with a minimum of 3°C (37°F), an average of 19°C (66°F), and a maximum of 33°C (91°F). Precipitation increases to 131 mm (5.2 in), occurring on seven days, and humidity rises to 76%. For a detailed look at the weather in April, you can visit Rosario weather in April.
The weather in March is generally warmer than in May, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 35°C (95°F) and an average of 21°C (71°F). In contrast, May experiences cooler temperatures, with a minimum of -1°C (30°F), an average of 14°C (58°F), and a maximum of 28°C (83°F). While March has higher precipitation levels at 93 mm (3.6 in) over 6 days, May has slightly less rain, totaling 71 mm (2.8 in) over the same number of days. Additionally, humidity in May is higher at 82%, compared to March's 64%. For more details on May weather, check out Rosario weather in May.
In comparing the weather between March and June, we see a stark contrast in temperatures and precipitation patterns. March boasts a much warmer climate, with average temperatures ranging from a minimum of 7°C (44°F) to a maximum of 35°C (95°F) and a significant average of 21°C (71°F). In contrast, June experiences cooler conditions, with temperatures ranging from a chilly -2°C (28°F) to a mild 26°C (79°F), averaging around 12°C (53°F). Additionally, March sees more precipitation, totaling 93 mm (3.6 in) over 6 days, whereas June is drier, only receiving 29 mm (1.1 in) over just 3 days. The humidity is also higher in June at 77%, compared to 64% in March. For further details, check out Rosario weather in June.
In comparing the weather between March and July, we see a significant variation in temperatures and precipitation levels. March typically features warmer temperatures, with a minimum of 7°C (44°F), an average of 21°C (71°F), and a maximum reaching up to 35°C (95°F). In contrast, July experiences much cooler conditions, with a minimum of -4°C (24°F), an average of 11°C (52°F), and a high of 27°C (80°F). Additionally, March is wetter, receiving 93 mm (3.6 in) of precipitation over 6 days, while July has only 29 mm (1.2 in) of rain, also spread over 6 days. Despite the slight difference in humidity—64% in March compared to 62% in July—the overall feel of these months is starkly different. For more insights into July weather specifics, you can refer to Rosario weather in July.
March and August in Rosario show distinct differences in weather patterns. In March, temperatures range from a minimum of 7°C (44°F) to a sweltering maximum of 35°C (95°F), with an average of 21°C (71°F). This month experiences relatively high precipitation at 93 mm (3.6 in) over approximately six days, contributing to a humidity level of 64%. In contrast, August is notably cooler, with temperatures ranging from a chilly -2°C (29°F) to a maximum of 31°C (88°F), averaging 13°C (55°F). The precipitation decreases to 35 mm (1.4 in) across four days, and humidity drops slightly to 59%. For more specific information about weather conditions in August, you can visit Rosario weather in August.
In March, temperatures fluctuate significantly, with minimums around 7°C (44°F) and maximums reaching up to 35°C (95°F), resulting in a warm average of 21°C (71°F). The month also sees higher precipitation at 93 mm (3.6 in) over six days, contributing to a humidity level of 64%. In contrast, September brings cooler weather, with temperatures ranging from a chilly -1°C (31°F) to a warm maximum of 33°C (92°F). The average temperature drops to 16°C (60°F), and precipitation decreases to 58 mm (2.3 in), also occurring over six days, with a slightly lower humidity of 62%. For more detailed insights on the weather patterns in September, you can visit Rosario weather in September.
In March, temperatures in Rosario exhibit a broader range, with minimums reaching 7°C (44°F) and maximums climbing to 35°C (95°F), resulting in an average of 21°C (71°F). The month experiences 93 mm (3.6 in) of rainfall over 6 days and maintains a humidity level of 64%. In contrast, October sees cooler temperatures, where the minimum dips to 4°C (40°F) and highs can reach 37°C (100°F), averaging around 18°C (65°F). The month is drier, with 63 mm (2.5 in) of precipitation over 8 days and a lower humidity of 52%. For more specifics on October's climate, you can check Rosario weather in October.
March and November display fairly similar weather patterns, with average temperatures hovering around 21-22°C (71°F). However, November tends to be slightly warmer, boasting a maximum temperature of 37°C (98°F) compared to March's 35°C (95°F). Both months receive a comparable amount of rainfall, with March receiving 93 mm (3.6 in) and November slightly less at 81 mm (3.2 in), distributed over six days of precipitation. Humidity levels are also notably different, as March enjoys a higher humidity of 64%, while November has a more comfortable 56%. For more details on the weather in November, check out Rosario weather in November.
March and December in Rosario showcase distinct weather characteristics that reflect the transition between seasons. In March, the temperatures range from a minimum of 7°C (44°F) to a maximum of 35°C (95°F), with an average of 21°C (71°F). The month typically experiences 93 mm (3.6 in) of precipitation over six days and maintains a humidity level of 64%. In contrast, December sees slightly warmer temperatures, with a minimum of 10°C (50°F) and a maximum of 38°C (100°F), averaging around 24°C (75°F). This month is drier, with 69 mm (2.7 in) of precipitation spread across eight days, and the humidity drops to 51%. For more detailed information, you can check Rosario weather in December.
March in Rosario brings a delightful transition from the heat of summer to more pleasant temperatures, with an average around 21°C (71°F). While the days can reach a maximum of 35°C (95°F), evenings are much cooler, contrasting with the scorching highs often experienced in January and February. With about 93 mm (3.6 in) of precipitation over approximately 6 days, March introduces a refreshing change, leading to increased humidity levels at 64%. This shifts the landscape and prepares the region for the milder weather to come in April. For a deeper dive into weather trends, check out Rosario Climate.