Last updated: January 18, 2025
Buenos Aires F.D., Argentina, experiences a Cfa climate classification according to the Köppen-Geiger system, characterized by a humid subtropical climate. The city sees a broad temperature range, with a recorded minimum of 1°C (34°F) in July, shifting dramatically to an average temperature of 18°C (64°F) throughout the year. The peak summer temperatures can soar to a maximum of 37°C (99°F) in January, highlighting the city's notable seasonal variability. This climate profile not only influences the local ecosystem but also shapes the lifestyle and cultural dynamics of its inhabitants.
Buenos Aires F.D., Argentina, exhibits distinct seasonal temperature patterns throughout the year, reflective of its humid subtropical climate. Summer months, particularly January and February, bring warm conditions, with average temperatures hovering around 25°C (77°F) and maximums reaching up to 37°C (99°F). As the seasons transition into autumn during March and April, temperatures gradually decline, with averages dipping to 19°C (66°F) and maximums around 29°C (84°F). The winter months of June and July are notably cooler, with averages falling to as low as 11°C (52°F) and minimums occasionally dropping to 1°C (34°F). As spring arrives in September and October, temperatures begin to rise again, signaling the end of the chilly season, with averages increasing to 17°C (63°F) and maximums reaching 30°C (87°F). This cyclical pattern not only shapes the city's weather but also influences the lifestyle of its residents throughout the year.
Buenos Aires experiences a wide temperature range throughout the year, with July bringing minimum temperatures of 1°C (34°F) and January soaring to a maximum of 37°C (99°F). This fluctuation highlights the city's diverse climate, where residents and visitors alike can expect both chilly winters and hot summers. For more detailed monthly temperatures in Buenos Aires, visit monthly temperatures in Buenos Aires.
Precipitation in Buenos Aires F.D., Argentina, shows a clear seasonal pattern characterized by increased rainfall during the warm months of summer and early autumn. January experiences an average of 59 mm (2.3 in) over about 6 days, which rises in February to 72 mm (2.9 in) over 8 days. The trend continues as March records 77 mm (3.0 in), followed by April with 82 mm (3.2 in). Notably, May also sees substantial rainfall, measuring 80 mm (3.2 in), indicating that the late summer and transition into autumn are typically wetter periods.
As the year progresses into winter, the precipitation in Buenos Aires becomes relatively moderate, with June receiving 66 mm (2.6 in) and July slightly higher at 75 mm (3.0 in), both spread over 8 days. The drier months of August and September yield 51 mm (2.0 in) and 86 mm (3.4 in) respectively, before October peaks with 103 mm (4.1 in)—the highest monthly total—over 10 days. This cycle continues into November and December, where rainfall decreases slightly to 77 mm (3.0 in) and 66 mm (2.6 in), respectively, suggesting a blend of both wet and dry periods that shape the region's climate.
In Buenos Aires F.D., Argentina, sunshine duration displays a pronounced seasonal pattern, with considerable variation throughout the year. The summer months, particularly December and January, shine the brightest, boasting 383 hours and 299 hours of sun respectively, which significantly enhances the outdoor lifestyle during this period. February continues the trend with 321 hours, marking it as one of the sunniest months of the year. As autumn sets in, a gradual decline occurs, with April seeing 259 hours and May dropping to 232 hours, reflecting the transition towards shorter days and less favorable weather conditions.
The decline in sunlight persists through the winter months, with June, July, and August offering the least sunshine, recording only 218 hours, 211 hours, and 263 hours respectively. However, as spring approaches in September and October, there is a notable resurgence in sunshine hours, with October reaching 301 hours. The trend culminates in November, where daylight hours peak at 341 hours, setting the stage for a sunny summer ahead. This cycle of changing sunshine duration not only underscores Buenos Aires' dynamic climate but also influences seasonal activities and the overall mood of its residents throughout the year.
In Buenos Aires F.D., Argentina, the UV Index exhibits significant fluctuations throughout the year, reflecting the seasonal variations in sunlight intensity and exposure risk. During the summer months, particularly in December and January, the UV Index reaches its peak at 14, categorizing exposure as extreme, with a minimal burn time of just 10 minutes. February remains extremely high at 13, and even March presents a UV Index of 11, indicating that residents and visitors should exercise caution during these months to prevent sunburn and skin damage.
As the seasons transition into autumn and winter, the UV Index begins to decline, dropping to 7 in April, which is classified as high, with a burn time of 25 minutes. May and June further decrease to 5 and 4, categorized as moderate, allowing for more leisurely outdoor activities with a reduced risk of UV-related harm. However, the UV Index rebounds in spring, peaking again in November (13) before culminating at 14 in December. This cyclical pattern serves as a reminder for individuals to adjust their sun protection strategies throughout the year, particularly during the high-risk months.
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In Buenos Aires F.D., Argentina, daylight duration varies considerably across the year, creating a dynamic rhythm that reflects the changing seasons. The year begins with long summer days in January, where the sun shines for 14 hours, allowing ample time for outdoor activities and vibrant social scenes. This trend continues into February with 13 hours of daylight, gradually decreasing to 12 hours in March as autumn approaches. By April, daylight shrinks further to 11 hours, and by May, it reaches a shorter span of 10 hours, heralding the arrival of winter.
As winter settles in, June experiences the shortest daylight, with just 9 hours of sunlight. However, as the days lengthen again, July and August maintain a similar duration of 10 hours each, beginning the transition back to longer days. September sees an increase to 11 hours, and by October, daylight returns to 12 hours. The cycle culminates in November, where daylight stretches back to 13 hours, and reaches its peak once more in December with 14 hours of glorious sunlight. This cyclical pattern of daylight duration not only influences outdoor activities but also plays a crucial role in shaping the lifestyle and culture of Buenos Aires throughout the year.
Buenos Aires, Argentina, experiences a humid subtropical climate characterized by hot summers and mild winters. January is the hottest month, with temperatures averaging around 25°C (77°F) and substantial sunshine, totaling 299 hours. Rainfall peaks in October at 103 mm (4.1 in) and varies throughout the year, contributing to a moderate annual precipitation. In contrast, the coldest months, June and July, see average temperatures drop to around 11°C (52°F) and limited sunshine, with only about 211 hours. For more detailed information, visit Buenos Aires climate.
In conclusion, Buenos Aires F.D., Argentina, showcases a remarkable interplay of climate and environmental factors that shape the experiences of its residents throughout the year. From the sun-soaked summer months with extended daylight and high UV indices to the cooler, shorter days of winter, the city presents a vibrant seasonal spectrum. Understanding these patterns—temperature fluctuations, precipitation, sunshine duration, UV exposure, and daylight hours—provides valuable insights into how individuals can adapt their lifestyles, engage with the outdoor environment, and prioritize sun safety. As the city continues to thrive under its diverse climate, residents and visitors alike can appreciate the natural beauty and dynamic rhythm of life in Buenos Aires.