December Weather in Cosquin, Argentina

Last updated: August 21, 2025

Experience the vibrant December climate of Cosquín, Argentina, where temperatures can soar to a sizzling 37°C (100°F) while averaging a comfortable 21°C (70°F). With a minimum recorded temperature of 9°C (48°F), this month offers a diverse weather spectrum. While you bask in the warmth, be prepared for occasional rain, as the area sees 101 mm (4.0 in) of precipitation spread over approximately 12 days. The humidity level hovers around 53%, providing a touch of tropical feel. Embrace the essence of summer in this picturesque town, where the warmth of the season invites exploration and adventure.

December Temperature in Cosquin

In December, Cosquín, Argentina welcomes the start of summer with rising temperatures that set the stage for vibrant outdoor activities. The month begins with a minimum temperature of 9°C (48°F), while the average climbs to a pleasant 21°C (70°F), making it ideal for enjoying the beautiful landscapes. As daytime heats up, the maximum can soar to an impressive 37°C (100°F), characteristic of the season's peak warmth. This trend of increasing temperatures from the cooler months of the year highlights a significant shift, with December standing out as a time for sun-soaked adventures and lively cultural festivities, perfectly embracing the essence of Argentine summer.

December Weather in Cosquin: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Cosquin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cosquin, December typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec716865615448475156616670
Data source: Temperature data for Cosquin generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Cosquin

In December, Cosquín experiences a significant precipitation level, recording 101 mm (4.0 in) over 12 days, which continues the trend of relatively high rainfall seen in the preceding months. This marks a slight decrease from the wet November, yet it remains substantial compared to the drier months like June and July, which often see less than 20 mm. As the year draws to a close, the consistency in precipitation reflects the region's transition into the summer season, characterized by increased moisture. Overall, December's rainfall contributes to the lush landscapes of Cosquín, setting the stage for a vibrant start to the new year.

December Precipitation Trends in Cosquin

The chart displays monthly precipitation patterns in Cosquin, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Cosquin, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec12197888637171163257111101
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Cosquin

In Cosquín, Argentina, December brings a moderate humidity level of 53%, continuing the trend of fluctuating moisture in the air. This month mirrors the conditions of November, suggesting a stability in humidity as the summer season approaches. Over the past year, humidity levels gradually increased from a low of 45% in October to a peak of 82% in May, before tapering off again in the mid-summer months. The transition from the drier winter months to the more humid summer offers a fascinating glimpse into the local climate, which finds a delicate balance as the year closes out. The pattern reflects the region's comfort during the holiday season, inviting both locals and visitors to enjoy the festive atmosphere amidst pleasant, if slightly humid, conditions.

December Average Humidity in Cosquin

This chart illustrates the average monthly humidity levels in Cosquin, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Cosquin is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec48%54%59%77%82%74%55%48%53%45%53%53%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Cosquin

In December, Cosquin, Argentina, experiences a dramatic peak in UV exposure, with a UV Index of 15, classifying it as extreme with a quick burn time of just 10 minutes. This trend highlights a consistent pattern over the year, where the UV Index tends to peak during the summer months, particularly in December and January. Following closely, November also registers high at 14, while February sees only a slight dip to 14 before tapering. In contrast, the cooler months witness a reduced UV Index, ranging from 4 to 9, suggesting a significant seasonal fluctuation. Whether basking in the sun or engaging in outdoor activities, it's crucial to stay informed about the UV levels. For more details about the UV Index throughout the year, visit Cosquin UV Index.

Maximum UV Index Levels in Cosquin for December

The chart shows the monthly maximum UV Index (UVI) for Cosquin in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Cosquin typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151412964579121415
Data source: Cosquin December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

December Sunshine in Cosquin

In December, Cosquín, Argentina, basks in a remarkable 384 hours of sunshine, marking the climax of the year’s brilliance. This month not only boasts the highest sunshine hours but also displays a consistent upward trend from the year's earlier months, particularly following November's 361 hours. The transition from the cooler months shows a significant increase in sunlight, indicating a shift into the warmer summer season. As daylight stretches, residents and visitors alike revel in the golden rays that imbue the charming town with warmth and vitality, making December the sun-drenched jewel in Cosquín's yearly calendar.

Monthly Sunshine Duration in Cosquin: December Highlighted

The December sunshine duration represents the total number of hours Cosquin experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec303h323h318h259h254h270h274h311h302h340h361h384h
Data source: Cosquin December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Cosquin During December

In Cosquín, Argentina, December brings a modest 53% chance of sunny weather, marking a transitional moment as the year winds down. While the likelihood of sunshine dips slightly compared to the peak of late summer months, such as July and August with their impressive 81% and 87% chances respectively, it remains consistent with the previous months, creating a pleasant backdrop for holiday festivities. This trend highlights a gentle shift toward the warmer, sunnier days that characterize the region’s summer, as Cosquín basks in the optimism of the season, balancing the occasional cloud with moments of brilliant sunshine.

Percentage of Sunny Days in December in Cosquin

The chart illustrates the percentage of sunny days in Cosquin throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Cosquin experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec50%55%53%54%65%69%81%87%70%77%65%53%
Data source: Cosquin December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Cosquin in December

In Cosquín, Argentina, the daylight duration experiences a dynamic shift throughout the year, culminating in a remarkable 14 hours of daylight in December. This seasonal trend showcases a gradual increase in daylight from the shorter days of October and November, both at 13 hours, leading to the longer, sunnier days of late spring. As the year progresses from the 12 hours of March to 11 hours in April and May, the daylight duration stabilizes to a more consistent 10 hours during the winter months of June, July, and August. However, with the arrival of spring, daylight begins its upward climb once again, fostering a lively atmosphere as the days grow longer, culminating in the sunlit splendor of December. This rhythm of daylight not only influences daily life but also enriches the vibrant culture and outdoor activities in Cosquín.

Average Daylight Hours in Cosquin for December

The chart illustrates the variation in daylight duration in Cosquin throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 53m13h 9m12h 13m11h 16m10h 30m10h 7m10h 20m11h11h 54m12h 51m13h 42m14h 7m
Data source: Cosquin daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Cosquin

In December, Cosquín, Argentina, experiences a gentle breeze with an average wind speed of 2.4 m/s (5 mph), slightly lower than the preceding months. As the year transitions into summer, the winds tend to remain consistent, hovering around the 2.3 to 2.9 m/s range from May to October, hinting at a relatively calm atmosphere. Notably, August through October showcases a gradual uptick in wind speed, peaking at 2.9 m/s in October, before tapering off again in November and December. Overall, December winds contribute to the region's tranquil charm, making it an ideal backdrop for outdoor festivities and community gatherings.

Average December Wind Speed in Cosquin

The chart displays monthly wind speed patterns in Cosquin, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.32.12.02.22.32.32.52.62.82.92.72.4 m/s
Data source: Cosquin December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Cosquin Compares to Other Months

Weather in Cosquin varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Cosquin, focusing on differences in temperature, rainfall, humidity, and UV levels.

December and January showcase relatively similar weather patterns, with both months experiencing warm temperatures. In December, the average temperature ranges from a minimum of 9°C (48°F) to a maximum of 37°C (100°F), while January sees a slight increase, averaging 22°C (71°F). Precipitation levels also rise slightly in January, with 121 mm (4.8 in) recorded compared to December's 101 mm (4.0 in), though both months have the same number of rainy days at 12. Humidity is marginally lower in January at 48%, compared to December's 53%, making January feel somewhat drier. For more detailed information about January conditions, you can refer to Cosquin weather in January.

In December, the weather features a temperature range from a minimum of 9°C (48°F) to a maximum of 37°C (100°F), with an average temperature of 21°C (70°F). The month experiences a total precipitation of 101 mm (4.0 in) over 12 days, and humidity averages around 53%. In comparison, February sees slightly cooler temperatures, with a minimum of 8°C (46°F) and a maximum of 34°C (93°F), averaging 20°C (68°F). Precipitation remains similar at 97 mm (3.8 in) over 11 days, with a marginally higher humidity level of 54%. For more specific details on February's weather, you can explore Cosquin weather in February.

In December, the weather is generally hotter, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 37°C (100°F), averaging around 21°C (70°F). This month experiences more precipitation, totaling 101 mm (4.0 in) over 12 days, while humidity levels sit at a moderate 53%. In contrast, March brings slightly cooler temperatures, with a minimum of 5°C (41°F), a maximum of 32°C (90°F), and an average of 18°C (65°F). There is also less precipitation in March, with a total of 88 mm (3.4 in) over the same number of days, and humidity increases slightly to 59%. For more detailed information, you can check Cosquin weather in March.

December weather is characterized by higher temperatures, with a minimum of 9°C (48°F), an average of 21°C (70°F), and maximum highs reaching up to 37°C (100°F). In contrast, April experiences cooler conditions, with minimum temperatures dropping to 3°C (37°F) and an average high of 16°C (61°F), peaking at 30°C (86°F). Precipitation levels are also slightly different, with December receiving 101 mm (4.0 in) over 12 days compared to April's 86 mm (3.4 in) across 9 days. Additionally, April features significantly higher humidity at 76%, compared to December's 53%. For more details, you can check out Cosquin weather in April.

December and May present contrasting weather conditions. In December, temperatures range from a minimum of 9°C (48°F) to a scorching maximum of 37°C (100°F), with an average of 21°C (70°F). The month experiences moderate precipitation of 101 mm (4.0 in) over about 12 days, accompanied by a relatively low humidity of 53%. In stark contrast, May sees cooler temperatures, with a minimum of -3°C (27°F) and a maximum of 29°C (84°F), averaging at 12°C (54°F). This month has significantly lower precipitation at 37 mm (1.5 in) across approximately 8 days, but humidity levels are higher at 82%. For more details on May weather, you can visit Cosquin weather in May.

In December, temperatures are significantly warmer, ranging from a minimum of 9°C (48°F) to a high of 37°C (100°F), with an average temperature of 21°C (70°F). The month sees considerable precipitation of 101 mm (4.0 in) over approximately 12 days, and the humidity level stands at 53%, providing a warm and somewhat humid climate. In contrast, June presents a much cooler atmosphere, with temperatures dipping as low as -5°C (23°F) and maxing out at 24°C (76°F), resulting in an average of just 9°C (48°F). June is much drier, receiving only 17 mm (0.7 in) of rain in about 3 days, but the humidity is higher at 74%. For a closer look at how weather conditions differ in June, check out Cosquin weather in June.

December and July present strikingly different weather patterns. In December, temperatures can soar with a minimum of 9°C (48°F) and highs reaching up to 37°C (100°F), accompanied by an average temperature of 21°C (70°F). The month experiences significant rainfall, with 101 mm (4.0 in) across approximately 12 days, and humidity levels sit at around 53%. In contrast, July is much cooler, featuring minimum temperatures of -6°C (22°F) and a maximum of 25°C (77°F), with an average of only 8°C (47°F). July sees significantly less precipitation, totaling just 11 mm (0.4 in) over about 3 days, coupled with a slightly higher humidity at 55%. For more detailed insights into July weather, you can visit Cosquin weather in July.

December and August showcase stark contrasts in weather. In December, temperatures range from a minimum of 9°C (48°F) to a maximum of 37°C (100°F), with an average of 21°C (70°F). This month also experiences considerable precipitation, totaling 101 mm (4.0 in) over about 12 days, and a humidity level of 53%. In contrast, August offers a much cooler climate with temperatures dipping as low as -6°C (22°F), peaking at 31°C (88°F) and an average of 11°C (52°F). August sees significantly less rain, with just 6 mm (0.2 in) over only 2 days, and humidity levels of 48%. For further details, you can visit Cosquin weather in August.

In December, the weather showcases a wide range of temperatures, with minimums around 9°C (48°F) and maximums reaching as high as 37°C (100°F), creating a hot climate ideal for summer activities. In contrast, September experiences much cooler temperatures, starting from a low of -3°C (27°F) and peaking at 33°C (91°F). While December sees considerably higher precipitation levels at 101 mm (4.0 in) over 12 days, September is much drier, with only 32 mm (1.3 in) of rainfall over 5 days. Interestingly, both months share the same humidity level of 53%, making them somewhat comparable in moisture but very different in temperature dynamics. For more details on September's weather, you can refer to Cosquin weather in September.

In comparing the weather between December and October, December tends to be noticeably warmer, with average temperatures ranging from a minimum of 9°C (48°F) to a maximum of 37°C (100°F). In contrast, October has cooler temperatures, with a minimum of 3°C (37°F) and an average of 16°C (61°F), though it can still reach a high of 36°C (97°F). Additionally, December experiences more precipitation, receiving 101 mm (4.0 in) over 12 days, while October has only 57 mm (2.2 in) over 9 days. The humidity is also higher in December at 53%, compared to 45% in October. For those looking to explore the weather specifics for October, check out Cosquin weather in October.

December's weather exhibits warmer temperatures compared to November, with minimums rising from 5°C (41°F) in November to 9°C (48°F) in December. The average temperature also increases from 19°C (66°F) in November to 21°C (70°F) in December, while maximum temperatures soar to 37°C (100°F), compared to November's peak of 33°C (92°F). Despite December receiving slightly less precipitation at 101 mm (4.0 in) compared to November's 111 mm (4.4 in), both months experience rainfall over about 12 days. Humidity remains consistent at 53% for both months. For more detailed information, you can check Cosquin weather in November.

Compare Cosquin's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Cosquin

As December settles over Cosquín, the weather takes on a vibrant character, standing out from the cooler months of the year. The temperatures soar, reaching up to a sweltering 37°C (100°F), while the average remains comfortably warm at 21°C (70°F), encouraging outdoor activities and festive gatherings. However, this month also brings along its share of rainfall, with about 101 mm (4.0 in) of precipitation spread over approximately 12 days, adding a refreshing touch to the warm air. With the humidity hovering around 53%, the atmosphere feels both lively and invigorating. Thus, December in Cosquín offers a unique blend of heat and occasional rain, making it distinct from its cooler predecessors. For more insights, check out our detailed Cosquin Climate.