Last updated: January 18, 2025
Buenos Aires, Argentina, exhibits a diverse climate characterized by Koppen-Geiger classifications of Cfb, Cfa, and BSk. The city's seasonal temperatures display a notable range, with a minimum of -7°C (20°F) recorded in June, while summer peaks can reach a scorching 42°C (108°F) in January. The overall annual average temperature hovers around a mild 16°C (62°F), reflecting the city's temperate conditions that facilitate a unique blend of urban life and environmental diversity.
In Buenos Aires, Argentina, temperature patterns exhibit a distinct seasonal rhythm, marked by hot summers and cool winters. January emerges as the warmest month, with average temperatures around 24°C (75°F), while daily maximums can soar to 42°C (108°F). As summer transitions into autumn, February and March see a gradual decrease in temperatures, averaging 22°C (72°F) and 20°C (69°F), respectively, while still allowing for warmer highs. The onset of cooler temperatures is evident in April, with averages dropping to 17°C (64°F), and by June and July, the city experiences its coldest months, characterized by averages of 10°C (51°F) and 9°C (49°F), accompanied by minimums that can reach -7°C (20°F) and -6°C (21°F). As spring approaches in September and October, temperatures slowly regain warmth, culminating in November and December where averages rise back to 19°C (67°F) and 22°C (72°F), reflecting the city’s dynamic climate transitions throughout the year.
In Argentina, the coastal city of Mar del Plata experiences a minimum temperature of 2°C (36°F) in August, with a high of 34°C (93°F) in January, making its climate quite moderate throughout the year. In Tigre, the temperature drops to a chilly 1°C (34°F) in July, while January brings soaring highs of 37°C (99°F). Similar extremes are observed in Villa Gesell, where the lowest recorded temperature hits 0°C (31°F) in July, and January can reach up to a scorching 39°C (102°F). For more details, you can check the monthly temperatures in Mar del Plata, Tigre, and Villa Gesell at monthly temperatures in Mar del Plata, monthly temperatures in Tigre, and monthly temperatures in Villa Gesell.
Precipitation in Buenos Aires displays a fairly consistent pattern throughout the year, with the summer months experiencing the highest rainfall. January and February receive 68 mm (2.7 in) and 72 mm (2.8 in), respectively, with rain occurring over approximately six days in each month. March marks the beginning of the autumn season, bringing a slight increase in precipitation to 80 mm (3.2 in) over seven days, while April peaks at 93 mm (3.7 in), indicating the city's wettest month. This trend begins to mellow as May approaches, where rainfall decreases to 62 mm (2.5 in).
Moving into the winter months, rains diminish to about 48 mm (1.9 in) in both June and July, with precipitation occurring over five to six days. August experiences a further decrease to 40 mm (1.6 in), establishing it as the driest month. However, late winter and early spring see a resurgence in rainfall, with September noting 73 mm (2.9 in) and October reaching 81 mm (3.2 in). Overall, Buenos Aires averages a balanced distribution of precipitation, with noticeable peaks in autumn and spring, contributing to the city's vibrant ecosystems.
The sunshine duration in Buenos Aires reveals a striking seasonal transition, characterized by a steady increase from winter to summer. January stands out as one of the sunniest months, boasting an impressive 300 hours of sunlight, which is closely followed by February with 323 hours. As summer peaks, March retains a solid 313 hours of sunshine, creating a luminous atmosphere that enhances the vibrancy of the city. However, as autumn approaches in April, sunlight begins to wane, dropping to 251 hours and further declining through the cooler months of May and June, where only 230 and 209 hours of sun are recorded, respectively.
As winter gives way to spring, Buenos Aires experiences a remarkable revival in sunshine hours. By August, sunlight begins to resurge, with 264 hours, followed by September with 262 hours. October shows a notable increase to 311 hours, paving the way for November, which reaches a peak of 340 hours. The year culminates in December, where the city basks in 380 hours of sunlight, making it the sunniest month. This cyclical pattern of sunshine not only accentuates the vibrant and lively essence of Buenos Aires but also highlights the city's inviting climate throughout the changing seasons.
In Buenos Aires, the UV Index demonstrates significant seasonal variation, indicating the need for sun protection throughout the year. During the peak summer months of January and February, the UV Index reaches a striking 14, categorized as extreme, coupled with a burn time of just 10 minutes. March maintains this intensity with a UV Index of 11, showcasing the potential for rapid skin damage if precautions are not taken. As autumn arrives in April, the UV Index drops to 8, classified as very high, although the burn time increases slightly to 15 minutes, illustrating a more manageable, yet still dangerous, sun exposure level.
Moving into the winter months, the UV Index further declines, reaching values of 5 and 4 in May and June, classified as moderate, where the burn time extends to 30 minutes. July remains consistent with a UV Index of 4, still indicating moderate conditions. As spring approaches in August, the Index rises again to 6, reflecting a shift toward higher sun exposure. Notably, September sees a rise to 8, and by October, the Index escalates back to extremes of 11. The season concludes with November and December, with values of 13 and 14 respectively, reminding residents and visitors of the strong sun's potential impact. This pattern underscores the importance of vigilance regarding sun safety measures, particularly during the high and extreme UV months.
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Daylight duration in Buenos Aires illustrates a clear seasonal rhythm that aligns closely with the changing seasons. During the peak of summer in January, residents enjoy a generous 14 hours of daylight, which gradually decreases to 13 hours in February and 12 hours in March as autumn approaches. The trend continues into April with 11 hours, progressing to 10 hours in May and reaching a minimum of 9 hours during the winter months of June and July. This significant reduction in sunlight is characteristic of the colder season, with long evenings becoming the norm.
As winter transitions to spring, daylight duration begins to pick up again, with August recording 10 hours of daylight. By September, the city experiences 11 hours, and this increase continues, culminating in 13 hours by October and November. The year's daylight cycle peaks again in December, matching January's highest point, with another 14 hours of daylight returning. This cyclical pattern enhances Buenos Aires's vibrant outdoor lifestyle, encouraging both residents and visitors to engage in various activities throughout the year, heavily influenced by the availability of natural light.
Ayacucho, Argentina experiences a diverse climate with hot summers and cool winters. January temperatures can soar up to 40°C (104°F) while July sees minimums drop to -4°C (25°F). Rainfall peaks during the first half of the year, particularly in April with 109 mm (4.3 in), whereas sunshine is abundant, especially in December with 375 hours. Visitors can enjoy a variety of weather throughout the year, making it essential to check the Ayacucho climate for planning.
Bahia Blanca, Argentina, experiences a temperate climate with hot summers and mild winters. January is the warmest month, featuring average temperatures around 24°C (75°F) and maximums reaching 39°C (103°F), while July tends to be the coldest, with averages of 8°C (47°F) and minimums dropping to -1°C (30°F). Precipitation is fairly consistent throughout the year, peaking in November with 76 mm (3.0 in), whereas the driest month is August with only 22 mm (0.9 in). The region enjoys abundant sunshine, particularly in December, when it boasts up to 393 hours of sunlight. For more detailed information, visit Bahia Blanca climate.
The climate in Baradero, Argentina, features hot summers and cool winters, with temperatures ranging from a minimum of -4°C (26°F) in July to a peak of 42°C (108°F) in January. Precipitation varies throughout the year, peaking in March and April at around 107 mm (4.2 inches), while drier months include June with only 36 mm (1.4 inches). Sunshine is abundant, especially in December, which boasts 381 hours of sun, making it the sunniest month. Overall, Baradero offers a diverse climate conducive to both warm weather activities and cooler seasonal experiences. For more details, visit Baradero climate.
Carilo, Argentina, experiences a temperate climate with warm summers and cool winters. Summer months (December to February) see average temperatures ranging from 21°C (71°F) to maximums of 39°C (102°F), while winter (June to August) temperatures fall between 1°C (33°F) and 10°C (51°F). Precipitation is highest in February (99 mm) and varies throughout the year, with January being relatively moist (70 mm) yet sunnier (297 hours). The sunniest months are November and December, boasting over 330 hours of sunshine. For more detailed information, visit Carilo climate.
Chascomus, Argentina experiences a temperate climate characterized by warm summers and cool winters. January sees the highest temperatures, averaging around 24°C (75°F) with maximums reaching up to 41°C (107°F), while July is the coldest month, with average lows of -1°C (30°F). Precipitation is relatively consistent throughout the year, peaking in March and April, with January and May being the driest months. The region enjoys significant sunshine, especially in December with 383 hours, making it an appealing destination for outdoor activities. For more information, visit Chascomus climate.
Ensenada, Argentina experiences a temperate climate with warm summers and cool winters. January and February are the hottest months, with average temperatures around 24-23°C (76-74°F), while July and August are the coldest, averaging 11-12°C (52-54°F). Precipitation peaks in April and October, with around 79 mm (3.1 in) and 90 mm (3.5 in) respectively, contributing to a yearly total that complements the generally sunny conditions, especially in December with 386 hours of sunshine. For more detailed information, visit Ensenada climate.
La Plata, Argentina, experiences a temperate climate with distinct seasonal variations. Summer months (December to February) showcase high temperatures averaging around 24°C (76°F) and significant sunshine, particularly in December with 386 hours of sun. Precipitation is relatively consistent throughout the year, peaking in October with 78 mm (3.1 in). Winters (June to August) are cooler, with average temperatures dropping to about 10°C (51°F) in July, while rainfall remains moderate. For more detailed information, visit La Plata climate.
Maipú, Argentina, experiences a continental climate characterized by hot summers and cold winters. January is the warmest month, with average temperatures around 22°C (73°F) and highs reaching 41°C (106°F), while July is the coldest, averaging just 9°C (48°F). Precipitation is highest from April to March, with January and February seeing around 93 mm (3.7 in) and 92 mm (3.6 in) respectively. Sunshine hours peak in December at 375 hours, making it a bright and enjoyable time. For more detailed information, visit Maipu climate.
Mar del Plata, Argentina, features a temperate oceanic climate with warm summers and cool winters. January is the hottest month, with average temperatures around 21°C (69°F) and maximums reaching up to 34°C (93°F), while July is the coldest, averaging just 9°C (49°F). Rainfall is more abundant from February to April, with February receiving the highest at 108 mm (4.2 in). The city enjoys significant sunshine, particularly in December, with up to 381 hours of sun, making it a popular summer getaway. For more details, visit Mar del Plata climate.
Monte Hermoso, Argentina, experiences a Mediterranean climate characterized by warm summers and mild winters. January sees average temperatures around 23°C (73°F) with maximums reaching up to 39°C (103°F), while July is the coolest month, averaging just 9°C (48°F). Rainfall varies throughout the year, peaking in November with 86 mm (3.4 in) of precipitation, while August is relatively dry at 29 mm (1.1 in). The region enjoys abundant sunshine, particularly in December with 389 hours, making it a desirable destination for sun-seekers. For more detailed climate information, visit Monte Hermoso climate.
Necochea, Argentina, experiences a temperate maritime climate characterized by warm summers and mild winters. January and February are the warmest months, with average temperatures around 20-21°C (68-71°F) and maximums reaching up to 39°C (102°F). Rainfall is distributed throughout the year, peaking in April with 104 mm (4.1 in) of precipitation. The city also enjoys ample sunshine, particularly in December with 384 hours, making it an attractive destination for visitors. For more detailed insights, visit Necochea climate.
Pinamar, Argentina, experiences a temperate climate with warm summers and mild winters. January and February are the hottest months, featuring average temperatures around 21°C (70°F) and maximums reaching up to 31°C (87°F), while July and August are cooler with averages around 10°C (50°F). Precipitation is highest from February to March, peaking at 99 mm (3.9 in) in March. The region enjoys abundant sunshine, especially in December with 380 hours, making it an ideal destination for beachgoers. For more details, visit Pinamar climate.
Quilmes, Argentina experiences a temperate climate characterized by warm summers and cool winters. January is the warmest month with averages around 24°C (76°F), while July sees the lowest temperatures, averaging 11°C (51°F). The region receives varying precipitation throughout the year, peaking in April with 79 mm (3.1 in) and averaging around 60-70 mm in the cooler months. Sunshine is abundant, particularly in December with 384 hours, contributing to the area's pleasant weather. For more detailed information, visit Quilmes climate.
San Antonio de Areco, Argentina, experiences a diverse climate characterized by hot summers and mild winters. January sees the highest temperatures, with averages around 24°C (76°F) and peaks reaching up to 42°C (107°F), while July is the coldest month, averaging just 10°C (51°F). Precipitation is more frequent in the warmer months, notably in October with 113 mm (4.5 in), while winter months like June and July experience lower rainfall. The region enjoys ample sunshine, particularly from November to December, accumulating over 300 hours per month during this period. For more details, visit San Antonio de Areco climate.
San Clemente del Tuyu, Argentina, experiences a temperate climate with warm summers and cool winters. January is the warmest month with average temperatures around 22°C (72°F) and significant sunshine, totaling 304 hours. In contrast, July is the coldest month, with average temperatures dropping to 10°C (51°F) and increased precipitation at 86 mm (3.4 in). Rainfall peaks in March and April, while November boasts the highest sunshine hours. For more details, visit San Clemente del Tuyu climate.
Tandil, Argentina experiences a temperate climate with distinct seasons. Summer (December to February) features warm temperatures, peaking at 39°C (103°F) in January, accompanied by considerable sunshine, especially in December with 376 hours. In contrast, winter (June to August) can be quite cold, with average temperatures dropping to around 7°C (45°F) in July and occasional frost. Precipitation varies throughout the year, peaking in April at 119 mm (4.7 in), while the summer months remain relatively wetter. For a detailed overview, visit Tandil climate.
Tigre, Argentina experiences a humid subtropical climate with hot summers and mild winters. January is the warmest month with temperatures reaching up to 37°C (99°F), while July sees chilly averages around 11°C (52°F). The region receives the highest rainfall in October, totaling 103 mm (4.1 in), but remains relatively sunny, especially in December with 383 hours of sunshine. Overall, Tigre enjoys a vibrant seasonal variation ideal for outdoor activities. For more details, visit Tigre climate.
Villa Gesell, Argentina, experiences a temperate climate characterized by warm summers and cool winters. January is the hottest month, with temperatures reaching up to 39°C (102°F) and abundant sunshine (297 hours). In contrast, July is the coldest month, where temperatures can dip as low as 0°C (31°F) with limited sunlight (204 hours). Precipitation is relatively consistent throughout the year, peaking in February at 99 mm (3.9 in). For more detailed information, visit Villa Gesell climate.
In conclusion, Buenos Aires, Argentina, showcases a dynamic climate that influences various environmental and social aspects throughout the year. From the diverse temperature ranges and notable precipitation patterns to the varying UV Index and daylight duration, the city experiences significant seasonal transitions that affect both daily life and outdoor activities. Residents and visitors alike must remain mindful of these climatic factors, particularly the heightened sun exposure during the summer months, to ensure safety and well-being. Ultimately, the interplay of these elements contributes to the vibrant character of Buenos Aires, making it a unique destination rich in culture and natural beauty, while also emphasizing the importance of adapting to its ever-changing climate.