Last updated: August 21, 2025
In Tandil, Argentina, December ushers in a vibrant summer atmosphere characterized by warm temperatures. With a maximum of 36°C (97°F) and a comfortable average of 20°C (68°F), the days are lively and inviting. However, nights can be cooler, dipping to a minimum of 4°C (39°F). Rainfall is a common occurrence, with precipitation totaling 74 mm (2.9 in) over 9 days, contributing to a humidity level of 61% that enhances the lush landscapes. Whether basking in the sun or enjoying a refreshing shower, December in Tandil is a delightful blend of warmth and rejuvenation.
In December, Tandil experiences a delightful transition into summer, with temperatures indicating a trend towards warmth. The month registers a minimum of 4°C (39°F) and an average of 20°C (68°F), climbing to a comfortable maximum of 36°C (97°F). This gradual ascent from the cooler temperatures of earlier months marks December as an inviting time for outdoor activities and exploration. Compared to the highs in November, which also reached 33°C (91°F), December offers even more warmth, signaling the peak of the summer season. As the year draws to a close, Tandil's climate transforms into a sun-soaked atmosphere, perfect for enjoying its natural beauty.
In December, Tandil experiences 74 mm (2.9 in) of precipitation, making it a moderately wet month, with rainfall spread across 9 days. This slight dip in rainfall compared to the preceding months, particularly November's 82 mm, suggests a gradual transition into the drier summer period. However, December still holds onto substantial moisture, encouraging lush landscapes and vibrant flora, characteristic of the region before the heat of January and February arrives. Overall, the precipitation patterns in December reflect a blend of late spring rains, continuing the trend of varying rainfall throughout the year while hinting at the approaching summer dryness.
In Tandil, Argentina, December ushers in a refreshing shift as humidity levels decrease to 61%, following the more humid spring months. This marks a notable decline from the peak of 86% in May and remains significantly lower than the high averages seen from March to April. As the year moves towards its end, humidity trends reveal a gradual drop from an earlier peak, creating a more comfortable climate. While the summer months tend to experience a slight uptick in moisture, December's relative dryness sets the stage for the drier months ahead, highlighting the region's dynamic seasonal transition.
In December, Tandil, Argentina experiences an intense UV Index of 14, categorized as extreme, which means that just 10 minutes of unprotected sun exposure can lead to skin damage. This peak index reaffirms a notable trend: the summer months consistently showcase high UV levels, with January and February also recorded at 14 and 12 respectively. As the year progresses into the spring and fall months, the index dips to 10 in March and 7 in April, before falling further in the winter months of June and July, where it stabilizes around 3. However, the transition back into summer sees a rapid increase once more, culminating in the extreme levels of December. For a comprehensive understanding of the UV Index trends throughout the year, visit Tandil UV Index. Stay protected and be mindful of these fluctuations as you plan your outdoor activities!
UV Risk Categories
December in Tandil, Argentina shines brightly with an impressive 376 hours of sunshine, making it the sunniest month of the year. This abundance of sunlight marks a notable trend, as the days gradually lengthen from the shorter winter months of June and July, which recorded only 190 and 205 hours respectively. Each month sees a rise in sunshine hours, peaking in December after a gradual ascent through the year. The transition from the cooler autumn months of April and May, where sunshine was more scarce at 242 and 228 hours, sets the stage for a vibrant summer. With such a radiant December, Tandil is not just a destination; it becomes a sun-soaked paradise that invites both residents and visitors to bask in its warm glow.
In Tandil, Argentina, the likelihood of sunny weather in December stands at 55%, reflecting a vibrant end to the year. This percentage is consistent with the overall trend seen throughout the months, particularly when compared to the slightly higher chances in October (64%) and November (53%). As the year winds down, the sun seems to make a comeback after the drop in sunny days during the chillier winter months of June (37%) and May (51%). With temperatures gently warming, December offers a balanced mix of sun, making it a delightful time for outdoor activities and festivities in this charming city.
In Tandil, Argentina, the daylight duration showcases a captivating seasonal rhythm throughout the year. As the year begins, January and December each boast an impressive 14 hours of daylight, heralding the height of summer. As we transition into February and March, daylight hours gradually decrease to 13 and 12 hours, respectively, reflecting the onset of autumn. The decline continues through April and May, reaching a low of 10 hours in May. The winter months of June and July provide minimal daylight, with just 9 hours, creating cozy, shorter days. However, as spring emerges in August, daylight begins to reclaim its presence, returning to 10 hours and gradually increasing towards 11 hours in September, and 13 hours in October. This delightful dance of light highlights Tandil's dynamic climate, offering residents and visitors alike beautiful sunlit days to enjoy year-round.
In Tandil, Argentina, the December winds reveal a gentle whisper, with an average speed of 3.4 m/s (8 mph), marking a noticeable dip as the year comes to a close. This decrease follows a trend of fluctuating wind speeds throughout the year, where the typically breezier months of July and November, both averaging 4.3 m/s (10 mph), contrast sharply with the calmer December air. As the summer season approaches, enthusiasts of this picturesque region can appreciate the subtle changes, making for serene outdoor experiences in the heart of the Argentine landscape. The winds of December invite a reflective pause, beautifully capping off the annual cycle of varying gusts that characterize Tandil’s climate.
Weather in Tandil varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Tandil, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, temperatures range from a minimum of 4°C (39°F) to a maximum of 36°C (97°F), with an average of 20°C (68°F). The month experiences about 74 mm (2.9 in) of precipitation over around 9 days, resulting in a humidity level of 61%. In contrast, January sees slightly warmer temperatures, with a minimum of 5°C (42°F) and a maximum reaching up to 39°C (103°F), while the average temperature rises to 21°C (71°F). Precipitation decreases to 60 mm (2.4 in) over approximately 7 days, contributing to a slightly lower humidity of 59%. For more detailed insights into January weather, you can visit Tandil weather in January.
In December, temperatures in Tandil range from a minimum of 4°C (39°F) to a maximum of 36°C (97°F), with an average temperature of 20°C (68°F). The month experiences around 74 mm (2.9 in) of precipitation spread over 9 days and an average humidity of 61%. In contrast, February sees slightly warmer lows at 5°C (41°F) and a maximum temperature of 34°C (93°F), with the average temperature remaining consistent at 20°C (69°F). Precipitation in February decreases to 66 mm (2.6 in) across just 6 days, while humidity rises to 70%. For more details, you can check Tandil weather in February.
In December, temperatures in Tandil range from a minimum of 4°C (39°F) to a maximum of 36°C (97°F), with an average temperature of 20°C (68°F). The month experiences an average precipitation of 74 mm (2.9 in) over approximately 9 days, coupled with a humidity level of 61%. In contrast, March sees slightly cooler temperatures, with a minimum of 2°C (36°F), an average of 18°C (64°F), and a maximum of 33°C (91°F). Precipitation increases to 81 mm (3.2 in), also spread over 9 days, and humidity rises to 72%. For more details on March weather, visit Tandil weather in March.
When comparing the weather in December and April, notable differences emerge in temperature and humidity. December offers warmer conditions with an average temperature of 20°C (68°F) and highs reaching up to 36°C (97°F), while April is cooler, with an average of 15°C (59°F) and a maximum of 28°C (83°F). Rainfall is more pronounced in April, with 119 mm (4.7 in) falling over 8 days compared to December's 74 mm (2.9 in) across 9 days. Additionally, April exhibits higher humidity levels at 82%, compared to December's 61%. For more detailed information about April's weather, you can visit Tandil weather in April.
December and May showcase strikingly different weather patterns. In December, temperatures range from a minimum of 4°C (39°F) to a scorching maximum of 36°C (97°F), with an average of 20°C (68°F), accompanied by moderate precipitation of 74 mm (2.9 in) over 9 days and a humidity level of 61%. In contrast, May brings a cooler climate, with temperatures ranging from a minimum of -3°C (28°F) to a maximum of 25°C (78°F) and an average of 11°C (52°F). This month sees less precipitation, totaling 39 mm (1.5 in) over 6 days, yet the humidity rises significantly to 86%. For a more detailed look at May weather in Tandil, visit Tandil weather in May.
December and June represent contrasting weather patterns. In December, temperatures range from a minimum of 4°C (39°F) to a maximum of 36°C (97°F), with an average temperature of 20°C (68°F). The month sees about 74 mm (2.9 in) of precipitation over approximately 9 days, with humidity levels around 61%. In stark contrast, June experiences much cooler temperatures, with a minimum of -4°C (26°F), an average of 8°C (47°F), and a maximum of 21°C (70°F). Precipitation in June totals 47 mm (1.9 in) over only 5 days, accompanied by higher humidity levels at 81%. For a detailed look at June's weather in Tandil, visit Tandil weather in June.
When comparing the weather in December and July, it's evident that December is significantly warmer. December temperatures range from a minimum of 4°C (39°F) to a maximum of 36°C (97°F), with an average temperature of 20°C (68°F). In contrast, July experiences chillier conditions, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 21°C (69°F) and an average of 7°C (45°F). Additionally, December sees more precipitation, totaling 74 mm (2.9 in) over approximately 9 days, compared to July's 50 mm (2.0 in) over just 7 days. Humidity levels are slightly higher in July at 73%, while December maintains a humidity level of 61%. For more details on July weather, you can check Tandil weather in July.
When comparing the weather in December and August, notable differences emerge. December boasts warmer temperatures, with daily averages ranging from a minimum of 4°C (39°F) to a maximum of 36°C (97°F), while humidity stands at 61%. In contrast, August experiences cooler temperatures, with a minimum of -4°C (26°F) and a maximum of 25°C (77°F), and a slightly higher humidity level of 69%. Precipitation also varies, with December receiving 74 mm (2.9 in) over 9 days compared to August's 35 mm (1.4 in) over just 4 days. For a detailed look at August weather statistics, please visit Tandil weather in August.
When comparing the weather in December and September, notable differences emerge. December enjoys much warmer temperatures, with a minimum of 4°C (39°F) and a maximum reaching up to 36°C (97°F), while September starts significantly cooler, with a minimum of -3°C (27°F) and a maximum of 27°C (81°F). The average temperature in December is considerably higher at 20°C (68°F) compared to September's average of 11°C (52°F). Additionally, December experiences slightly less precipitation (74 mm) over more days (9 days) compared to September's 79 mm over just 7 days. Humidity levels are also higher in September at 76%, compared to December's 61%. For more detailed information on September weather, you can check Tandil weather in September.
December weather tends to be warmer than that of October, with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 36°C (97°F), while October's temperatures fluctuate between -1°C (30°F) and 33°C (91°F). Both months experience similar precipitation levels, with December receiving 74 mm (2.9 in) over 9 days and October slightly less at 72 mm (2.8 in) over 7 days. Humidity is slightly lower in December at 61%, compared to October’s 69%. For more detailed information about October weather, you can explore Tandil weather in October.
December in Tandil typically experiences slightly warmer temperatures compared to November, with average highs reaching 36°C (97°F) versus November's 33°C (91°F). While both months see around nine days of precipitation, December has less rainfall overall at 74 mm (2.9 in) compared to November's 82 mm (3.2 in). Humidity levels are also marginally lower in December, at 61%, compared to 66% in November. For a detailed look at November weather, you can visit Tandil weather in November.
As December rolls into Tandil, the weather takes a delightful turn, embracing warmer temperatures that contrast sharply with the cooler months preceding it. With an average of 20°C, days are filled with a mix of sunshine and the occasional rain, as evidenced by the 9 days of precipitation, leading to a beautifully refreshed landscape. Humidity hovers around 61%, adding a touch of tropical feel to the summer heat, with maximum temperatures soaring towards 36°C. The mild nights, with lows dipping to 4°C, offer a refreshing respite. For a more comprehensive understanding of Tandil's unique weather patterns, visit Tandil Climate.