Last updated: August 21, 2025
December in San Miguel de Tucumán, Argentina presents a warm and humid climate, with maximum temperatures soaring to 38°C (100°F) and an average of 23°C (73°F). Cooler evenings can bring down the temperature to a refreshing 12°C (54°F). This month sees an average precipitation of 193 mm (7.6 in), spread over 17 days, making it a rather wet period. With humidity levels hovering around 74%, residents and visitors alike can expect a mix of balmy days and occasional rain, perfect for enjoying the lush scenery this vibrant city has to offer.
In December, temperatures in San Miguel de Tucumán, Argentina, showcase the region's transition into the hot summer months. The minimum temperatures hover around 12°C (54°F), offering a mild start to the day, while the average climbs to a balmy 23°C (73°F). As the sun reaches its peak, the city sizzles under maximum temperatures that can soar to 38°C (100°F), tying in with the trend of rising heat observed throughout the year. This month embodies summer's arrival, characterized by longer days and an increasing warmth that invites locals and visitors alike to embrace outdoor festivities and vibrant social gatherings. Overall, December not only marks a climatic shift but also enhances the lively spirit of the region, making it an exciting time to experience the charm of Tucumán.
In December, San Miguel de Tucumán experiences a notable uptick in precipitation, receiving 193 mm (7.6 in) of rain over the course of 17 days. This marks a transition into the wetter period of the year, following the relatively dry months of mid-year, where rainfall dipped to its annual lows. The increase in both rainfall quantity and number of rainy days suggests that the city prepares for the lush, verdant landscapes typical of summer. While December's figures are significantly higher than those in the drier months of June and July, they also sit comfortably between the larger rainfall amounts seen in February (the wettest month) and the wetter conditions of the early summer, highlighting a seasonal pattern that underscores the region’s tropical climate.
In San Miguel de Tucumán, Argentina, December ushers in a humidity level of 74%, marking a notable increase from the drier months of July and August, which see averages as low as 53% and 44%, respectively. This upward trend continues from the crispness of June at 62%, reflecting a gradual rise in moisture as the region transitions from the cooler winter months into the warmer summer season. As December approaches, humidity levels steadily climb from 66% in November, indicating the city's characteristic shift towards a more humid, lush environment. The overall pattern shows a peak in humidity from March to April, reaching 83% and 85% respectively, before tapering off in the winter, ultimately leading back to the milder December readings.
In December, the UV Index in San Miguel de Tucumán reaches a peak of 15, categorizing it as extreme, alongside the months of January and November. This consistent high level of UV exposure means that residents and visitors alike should take immediate precautions, as the burn time is a mere 10 minutes. Following a trend throughout the year, the UV Index remains notable, with significant dips in May and June, where levels fall to 7 and 5, respectively, allowing for safer sun exposure. However, the summer months consistently reflect a high-risk period, urging sun protection all year round. For more detailed insights into UV levels throughout the year, check out San Miguel de Tucuman UV Index.
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In December, San Miguel de Tucumán basks in an impressive 324 hours of sunshine, marking the peak of the year in terms of sunlight exposure. This radiant month follows a consistent upward trend, with the city's bright days steadily increasing from January's 255 hours to November's 297 hours. What stands out is the remarkable jump in sunshine during December, enveloping the city in warmth as summer officially kicks in. The pattern indicates not just longer days, but also a vibrant atmosphere that beckons both locals and visitors to bask in outdoor festivities, making it a perfect time to experience the region's charm.
In December, the chance of sunny weather in San Miguel de Tucumán dips to 36%, marking one of the least sunny months of the year. This trend continues from November, which holds a slightly higher likelihood of 56% sunshine. As the year progresses, the region generally experiences a surge in sunny days, peaking in the winter months of July and August, with probabilities soaring to 75% and 94%, respectively. This seasonal shift reflects a clear pattern where the sun embraces the city more generously as the temperatures drop, making December a bit of a transition month. Thus, while you might find pockets of sunshine, be prepared for more overcast skies as the holiday season unfolds.
In San Miguel de Tucumán, Argentina, the rhythm of daylight duration reveals a fascinating seasonal dance. December showcases a peak in daylight, offering 13 hours of sunlight, mirroring the earlier months of January and November. As the year progresses from the long summer days, daylight gradually shortens, dipping to 10 hours in the middle of the year during May through July. The return to longer days begins in August, where daylight increases again, culminating in the summer months. This cyclical pattern not only highlights the region's shift from shorter winter days to the abundant sunshine of summer but also enhances the vibrant outdoor lifestyle that the locals cherish throughout the year.
In San Miguel de Tucumán, December brings a gentle shift in the air, with average wind speeds registering at 1.4 m/s (3 mph). This slight breeze is a refreshing departure from the more vividly windy months of late spring and summer. As the year progresses into December, the wind tends to soften after a gradual uptick peaking in October at 1.8 m/s (4 mph). From July through November, residents enjoy a brisker atmosphere as average speeds hover around 4 mph, but in December, the wind embraces a calmer demeanor, inviting locals to savor the warm summer sun without the interruption of gusty drafts. This transition reflects a rhythmic pattern in Tucumán's climate, where the winds play a subtle but significant role in shaping the region's seasonal charm.
Weather in San Miguel de Tucuman varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Miguel de Tucuman, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, temperatures in San Miguel de Tucumán range from a minimum of 12°C (54°F) to a maximum of 38°C (100°F), with an average temperature around 23°C (73°F). The month experiences significant rainfall, totaling 193 mm (7.6 in) over 17 days, and the humidity sits at 74%.
Conversely, January sees a slight decrease in the maximum temperature, peaking at 37°C (99°F), while the minimum and average temperatures remain the same as December. Precipitation increases to 232 mm (9.1 in) over 16 days, and humidity rises to 79%, making January generally wetter and more humid compared to December. For more detailed information, you can check San Miguel de Tucuman weather in January.
In December, temperatures in San Miguel de Tucuman range from a minimum of 12°C (54°F) to a maximum of 38°C (100°F), with an average temperature of 23°C (73°F). The month sees considerable rainfall, with 193 mm (7.6 in) recorded over 17 days and a humidity level of 74%. In contrast, February experiences slightly cooler temperatures, with a maximum of 34°C (94°F) and an average of 22°C (72°F), but it is also wetter, receiving 278 mm (11.0 in) of precipitation over 15 days. The humidity rises to 81%, creating a more muggy atmosphere. For a closer look at February's weather specifics, you can refer to San Miguel de Tucuman weather in February.
In December, weather in San Miguel de Tucumán features a range of temperatures from a minimum of 12°C (54°F) to a maximum of 38°C (100°F), with an average of 23°C (73°F). The month experiences considerable rainfall, totaling 193 mm (7.6 in) over 17 days, and a humidity level of 74%. In contrast, March sees cooler temperatures, with a minimum of 8°C (48°F), an average of 20°C (69°F), and a maximum of 33°C (91°F). Rainfall increases slightly, amounting to 219 mm (8.6 in) also spread over 17 days, while humidity rises to 83%. For a detailed look at the weather patterns in March, you can visit San Miguel de Tucuman weather in March.
In December, the weather is typically warmer, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 38°C (100°F), and an average temperature of 23°C (73°F). This month also sees significant rainfall, with 193 mm (7.6 in) of precipitation over 17 days, coupled with a humidity level of 74%.
In contrast, April experiences milder conditions, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 30°C (87°F) and an average temperature of 18°C (65°F). The rainfall is slightly less, totaling 184 mm (7.3 in) over 16 days, although humidity rises to 85%.
For a more detailed look at April weather, you can find information here: San Miguel de Tucuman weather in April.
December's weather is characterized by higher temperatures, with daily averages reaching 23°C (73°F) and peak highs soaring up to 38°C (100°F). Its humidity sits at a substantial 74%, making it feel quite warm, and the month experiences significant rainfall of 193 mm (7.6 in) over 17 days. In contrast, May sees a much cooler climate, where average temperatures drop to 14°C (58°F), with maximums of 27°C (81°F) and minimums dipping to 2°C (36°F). Although the precipitation in May is lower at 125 mm (4.9 in) over 12 days, the humidity remains relatively stable at 75%. For a closer look at May's weather specifics, check out San Miguel de Tucuman weather in May.
December and June present stark contrasts in weather patterns. In December, temperatures range from a mild 12°C (54°F) at night to a scorching maximum of 38°C (100°F) during the day, with an average of 23°C (73°F). This month is characterized by high humidity at 74% and significant rainfall, accumulating 193 mm (7.6 in) over 17 days. In contrast, June experiences much cooler temperatures, with a minimum of -2°C (29°F) and a maximum of 26°C (79°F), leading to an average of only 11°C (53°F). Precipitation is minimal in June, totaling just 52 mm (2.0 in) over 8 days, and humidity is lower at 62%. For more detailed information, refer to San Miguel de Tucuman weather in June.
When comparing the weather in December and July, the differences are striking. December tends to be much warmer, with minimum temperatures around 12°C (54°F) and maximums soaring up to 38°C (100°F), while July experiences a much cooler climate, with temperatures dipping to a minimum of -1°C (30°F) and peaking at 27°C (82°F). Additionally, December is substantially wetter, receiving 193 mm (7.6 in) of precipitation over 17 days, in contrast to July's much drier conditions with only 27 mm (1.1 in) of rain across just 6 days. Humidity levels are also higher in December at 74% compared to July's 53%. For more details about the weather in July, you can visit San Miguel de Tucuman weather in July.
December and August present a stark contrast in weather conditions. In December, temperatures range from a minimum of 12°C (54°F) to a scorching maximum of 38°C (100°F), with an average of 23°C (73°F). This month also experiences significant rainfall, with 193 mm (7.6 in) over 17 days, leading to a humidity level of 74%. In contrast, August showcases much cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 33°C (91°F), averaging only 14°C (57°F). Precipitation in August is minimal at 17 mm (0.7 in) over just 3 days, and humidity is considerably lower at 44%. For more details on August weather, you can visit San Miguel de Tucuman weather in August.
In comparing the weather of December and September, we observe a significant shift in temperature and precipitation patterns. December experiences much warmer temperatures, with a minimum of 12°C (54°F) and a maximum reaching up to 38°C (100°F), compared to the cooler September, where temperatures range from a low of 2°C (36°F) to a high of 35°C (95°F). Additionally, December sees a considerable amount of rainfall, averaging 193 mm (7.6 in) over 17 days, while September is much drier with only 57 mm (2.3 in) over 7 days. The humidity also stands out, as December has a higher humidity level of 74%, in contrast to September's 58%. For more detailed information on September’s weather specifics, you can check San Miguel de Tucuman weather in September.
In December, the weather in San Miguel de Tucumán is noticeably warmer than in October, with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 38°C (100°F). In contrast, October sees lower temperatures, with a minimum of 6°C (43°F) and an average high of 38°C. December is also characterized by higher precipitation, with 193 mm (7.6 in) of rain over 17 days, compared to October's 116 mm (4.6 in) over 12 days. Additionally, December’s humidity is significantly higher at 74%, while October has a more comfortable level of 54%. For more detailed weather information, you can visit San Miguel de Tucuman weather in October.
In December, the weather shows a slight increase in temperatures compared to November, with minimums around 12°C (54°F) and an average of 23°C (73°F), while November has a minimum of 9°C (49°F) and an average of 22°C (71°F). The maximum temperature in both months remains high, at 38°C (100°F) in December and 37°C (100°F) in November. However, December experiences more precipitation, totaling 193 mm (7.6 in) over 17 days, compared to November's 178 mm (7.0 in) over just 12 days. The humidity is also higher in December at 74%, up from November's 66%. For a more detailed look at November's weather, check out San Miguel de Tucuman weather in November.
December in San Miguel de Tucumán ushers in a vibrant and warm summer atmosphere, distinctly warmer than the preceding months. The heat often peaks, creating a lively outdoor environment, while occasional rain showers contribute to the lush greenery that characterizes this time of year. With humidity levels at a notable 74%, the air can feel quite sultry, making it essential to stay hydrated and seek shade during the hottest parts of the day. This combination of warmth and increased precipitation sets December apart, offering a unique experience that beckons both locals and travelers alike. For more detailed insights into the weather patterns throughout the year, check out the San Miguel de Tucuman Climate.