Last updated: August 21, 2025
March in Buenos Aires, Argentina brings a delightful transition into autumn, with temperatures ranging from a comfortable average of 22°C (71°F) to a peak of 32°C (89°F). Visitors can expect pleasant days complemented by occasional rain, as the city experiences 77 mm (3.0 in) of precipitation over approximately 8 days. With humidity levels at 66%, the atmosphere tends to be moist but still enjoyable for outdoor activities. Embrace the charm of Buenos Aires in March, where the blend of warmth and refreshing showers sets the stage for vibrant city explorations.
In March, Buenos Aires ushers in the transition from summer to autumn with delightful temperatures that invite both locals and visitors to enjoy the city's vibrant atmosphere. The average temperature settles at 22°C (71°F), offering a pleasant backdrop for leisurely strolls and outdoor activities. With minimums around 10°C (51°F) and maximums peaking at 32°C (89°F), this month strikes a harmonious balance—keeping the lingering warmth of summer while hinting at the coolness of the coming months. As days begin to shorten, the comfortable climate creates an ideal setting for exploring the city's rich culture and lively neighborhoods, making March a particularly enchanting time to experience Buenos Aires.
March in Buenos Aires marks an intriguing transition in precipitation patterns as the city begins to experience the early signs of autumn. With 77 mm (3.0 in) of rainfall spread over 8 days, March's precipitation slightly outpaces February's total, highlighting a consistent upward trend leading into the wetter months. This increase not only prepares the landscape for the lush greenery of this season but also sets the stage for April, which typically sees even more rainfall. The data suggests that as summer fades, Buenos Aires embraces a more humid climate, paving the way for a vibrant, rain-kissed atmosphere.
As March arrives in Buenos Aires, residents experience a noticeable rise in humidity, reaching 66%—a significant increase from January's more comfortable 50% and February's 61%. This upward trend marks the transition into the more humid months ahead, setting the stage for April's peak at 80%, followed by an even more oppressive 85% in May. The city's climate reflects the typical progression of late summer into autumn, where moisture levels intensify before tapering down again through the winter months. Interestingly, after March, humidity levels fluctuate but remain higher on average, showcasing Buenos Aires's humid subtropical climate, prompting locals and visitors alike to prepare for the shift in weather dynamics.
In March, Buenos Aires experiences a UV Index of 11, categorized as extreme, with a burn time of just 10 minutes. This marks a gradual decline from the peak UV levels of January and February, which both hit a maximum of 14, but the risk remains significant. As autumn approaches, the UV Index trends downward, yet March still demands caution when outdoors. Residents and visitors alike should remain vigilant about sun protection, especially during midday hours. With summer's intensity easing, it's essential to adapt to the lasting effects of UV exposure. For continuous updates on sun safety, check out the detailed Buenos Aires UV Index.
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As March unfolds in Buenos Aires, the city enjoys a delightful average of 312 sun-soaked hours, striking a harmonious balance between the high-energy brightness of January and February and the softer light of April. This month marks a notable transition, maintaining a generous supply of sunshine that characterizes the Argentine summer while gradually ushering in autumn. In comparison to the preceding months, March retains a glow that significantly outshines the cooler months ahead, such as June and July, when sunlight dips below 220 hours. With each passing week, the allure of Buenos Aires in March captivates locals and visitors alike, creating an irresistible backdrop for exploration and outdoor festivities before the autumn breezes take hold.
As March rolls into Buenos Aires, the likelihood of sunny weather takes a slight dip, with a 53% chance of sunshine compared to the more promising 60% seen in the earlier months of January and February. This subtle decline marks a transition as the city begins to shift from summer into autumn. However, the sun returns robustly in April with a 68% chance, highlighting a notable rebound in sunny days. Overall, while March may present a bit of cloud cover, the overall trend indicates a generally favorable climate, offering plenty of opportunities to enjoy the vibrant streets of Buenos Aires under the sun.
In March, Buenos Aires experiences a notable transition in daylight duration, with the sun gracing the city for about 12 hours each day. This decline from 14 hours in January and 13 hours in February marks the onset of autumn, setting the stage for shorter days ahead. As the month progresses, daylight gradually diminishes, with April bringing a further reduction to 11 hours. This steady decrease reflects the shifting seasons, creating a cozy ambiance that invites residents and visitors alike to enjoy the city's vibrant culture against the backdrop of increasingly serene evenings. With each sunset, Buenos Aires transitions from the long, sun-soaked summer days to the more intimate, tranquil days of fall.
In March, Buenos Aires experiences a gentle shift in its breezy character, with an average wind speed of 4.2 m/s (9 mph)—a slight decline from the slightly more blustery months of January and February. As summer fades and autumn approaches, the winds become subtler, hinting at the coming seasonal changes. Interestingly, March stands out as a transition point; while winds are mellowing, the following months see a gradual increase again, peaking with September’s lively 5.4 m/s (12 mph). The overall trend reflects a dynamic environmental rhythm, with Buenos Aires balancing between calmness and robust breezes as the year progresses, embodying the city’s vibrant spirit.
Weather in Buenos Aires varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Buenos Aires, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in March and January, we see notable differences in temperature and humidity. March generally features a minimum temperature of 10°C (51°F) and an average of 22°C (71°F), while January tends to be warmer, with a minimum of 14°C (58°F) and an average of 25°C (77°F). The maximum temperatures also highlight this contrast, reaching up to 32°C (89°F) in March compared to a hot 37°C (99°F) in January. In terms of precipitation, March experiences more rainfall at 77 mm (3.0 in) over 8 days, while January records 59 mm (2.3 in) over just 6 days. Additionally, humidity levels are higher in March at 66%, compared to 50% in January, creating a distinctly different feel to both months. For more detailed information, check the Buenos Aires weather in January.
In comparing the weather between February and March, we notice a slight variation in temperatures and humidity levels. February boasts a higher minimum temperature of 13°C (55°F) and an average of 23°C (75°F), while March sees a lower minimum of 10°C (51°F) and an average of 22°C (71°F). Both months experience similar maximum temperatures, with March slightly cooler at 32°C (89°F) compared to February's 33°C (92°F). Precipitation is fairly comparable, with March receiving 77 mm (3.0 in) of rain over 8 days, slightly more than February's 72 mm (2.9 in) over the same number of days. Additionally, March has a higher humidity level at 66%, compared to February's 61%. For more detailed insights, check out Buenos Aires weather in February.
In comparing the weather between March and April, March presents slightly warmer temperatures, with minimums reaching 10°C (51°F) and maximums peaking at 32°C (89°F), while April cools down with minimums of 6°C (44°F) and maximums of 29°C (84°F). Precipitation levels are relatively consistent, with March receiving 77 mm (3.0 in) and April experiencing a bit more at 82 mm (3.2 in), both over 8 days. Notably, April's humidity rises to 80%, slightly higher than March's 66%, contributing to a more humid atmosphere. For more details, you can check Buenos Aires weather in April.
In March, the weather in Buenos Aires is generally warmer, with temperatures ranging from a minimum of 10°C (51°F) to a maximum of 32°C (89°F), and an average of 22°C (71°F). There's a moderate amount of precipitation totaling 77 mm (3.0 in) over approximately 8 days, accompanied by a humidity level of 66%. In contrast, May sees cooler temperatures, with a minimum of 4°C (39°F), an average of 15°C (59°F), and a maximum of 25°C (77°F). The precipitation slightly increases to 80 mm (3.2 in) over 7 days, but humidity rises to 85%, making the air feel more damp. For more details on the conditions during this time, check out Buenos Aires weather in May.
In March, temperatures in Buenos Aires are noticeably warmer, with a minimum of 10°C (51°F) and an average high of 32°C (89°F), making it a much more pleasant time for outdoor activities. The precipitation is slightly higher at 77 mm (3.0 in) over about 8 days, with humidity at 66%. In contrast, June brings cooler temperatures, with a minimum of 1°C (35°F) and an average high of only 23°C (74°F). Precipitation decreases slightly to 66 mm (2.6 in) over the same number of rainy days, but humidity rises to 80%, creating a chillier atmosphere. For a detailed look at June weather in Buenos Aires, check out Buenos Aires weather in June.
When comparing March and July weather, March typically offers warmer temperatures, with a minimum of 10°C (51°F) and an average high of 32°C (89°F). In contrast, July experiences cooler conditions, with a minimum temperature of 1°C (34°F) and an average maximum of 23°C (74°F). Both months see similar levels of precipitation, around 75-77 mm (3.0 in), and 8 days of rain each month. However, March's humidity at 66% is slightly lower than July's humidity level of 69%. For more detailed insights into July weather in Buenos Aires, check out Buenos Aires weather in July.
March and August present contrasting weather patterns. In March, temperatures range from a minimum of 10°C (51°F) to a maximum of 32°C (89°F), with an average of 22°C (71°F). This month witnesses more rainfall, totaling 77 mm (3.0 in) over approximately 8 days, while humidity remains consistent at 66%. In contrast, August features cooler temperatures, with a minimum of 2°C (36°F), an average of 12°C (55°F), and a maximum of 24°C (75°F). Precipitation is lighter during this month, totaling 51 mm (2.0 in) over just 5 days, and maintains the same humidity level of 66%. For more details on weather patterns, you can visit Buenos Aires weather in August.
March and September exhibit distinctly different weather patterns. In March, temperatures are generally warmer, ranging from a minimum of 10°C (51°F) to a maximum of 32°C (89°F), with an average of 22°C (71°F). The humidity is relatively high at 66%, and rainfall is moderate, with 77 mm (3.0 in) recorded over 8 days. Conversely, September sees cooler temperatures, with a minimum of 3°C (38°F) and an average of 15°C (59°F), peaking at 27°C (81°F). Although September has slightly higher precipitation at 86 mm (3.4 in) over just 6 days, the humidity increases to 72%. For a closer look at September weather conditions, check out Buenos Aires weather in September.
March offers a warmer climate compared to October, with temperatures ranging from a minimum of 10°C (51°F) to a maximum of 32°C (89°F), and an average high of 22°C (71°F). In contrast, October sees cooler temperatures, with a minimum of 7°C (45°F) and a maximum of 30°C (87°F), averaging around 17°C (63°F). Precipitation is higher in October, totaling 103 mm (4.1 in) over 10 days, compared to March's 77 mm (3.0 in) over 8 days. Additionally, humidity levels are slightly lower in October at 63%, compared to March's 66%. For more detailed insights about October weather, you can visit Buenos Aires weather in October.
March and November in Buenos Aires exhibit similar weather patterns, both experiencing an average temperature around 21-22°C (69-71°F). In March, the temperature can range from a minimum of 10°C (51°F) to a maximum of 32°C (89°F), while November sees slightly cooler minimums at 9°C (49°F) but can reach up to 33°C (91°F). Both months receive approximately 77 mm (3.0 in) of precipitation over 8 days, though November tends to have lower humidity at 59% compared to March's 66%. This makes November feel a bit less muggy than March. For more details on November weather in Buenos Aires, you can check Buenos Aires weather in November.
In March, temperatures typically range from a minimum of 10°C (51°F) to a maximum of 32°C (89°F), with an average of 22°C (71°F). The month experiences approximately 77 mm (3.0 in) of precipitation over about 8 days, contributing to a higher humidity level of 66%. In contrast, December features a similar minimum temperature of 10°C (50°F) but boasts slightly higher averages and maxima, with temperatures averaging 23°C (73°F) and reaching up to 34°C (94°F). The precipitation in December is somewhat lower at 66 mm (2.6 in) over 7 days, and humidity decreases to 56%, making it a bit more comfortable. For more detailed information, you can check Buenos Aires weather in December.
As the summer season transitions into fall, March in Buenos Aires brings a delightful mix of warmth and comfortable humidity, making it distinct from the sweltering heat of January and February. With an average temperature that hovers around a pleasant 22°C (71°F), this month offers a refreshing reprieve from the extremes. While there are some rainy days—totaling around 77 mm of precipitation—you'll often find sun-drenched afternoons ideal for exploring the city's vibrant outdoor life. As the humidity at 66% adds a touch of softness to the air, March stands out as a beautifully balanced month in the Buenos Aires calendar. For a more comprehensive view of what to expect throughout the year, don’t miss our detailed overview of Buenos Aires Climate.