December Weather in Santa Rosa de Tastil, Argentina

Last updated: August 21, 2025

In December, Santa Rosa de Tastil, Argentina, experiences a delightful mix of weather patterns, characterized by maximum temperatures reaching 24°C (75°F) and a refreshing average of 10°C (51°F). However, the chill can bite with minimum temperatures dipping to -1°C (30°F) at night. This month also sees considerable precipitation, accumulating to 95 mm (3.7 in) over 20 days, contributing to a humidity level hovering around 77%, which adds a unique vibrancy to the local landscape. Whether you're exploring the outdoors or seeking shelter from the rains, December's weather in Santa Rosa de Tastil offers a captivating blend of warmth and coolness.

December Temperature in Santa Rosa de Tastil

In December, Santa Rosa de Tastil experiences a mild transition as the year winds down, with temperatures reflecting a cozy yet vibrant climate. The month typically showcases minimums around -1°C (30°F), hinting at the lingering chill of winter while comfortably averaging 10°C (51°F). As daytime unfolds, highs can reach up to 24°C (75°F), inviting residents and visitors alike to enjoy the sunny afternoons. Overall, December serves as a delightful bridge between the cooler months and the warm days ahead, maintaining a stable temperature pattern that encourages outdoor exploration in this picturesque Argentine locale.

December Weather in Santa Rosa de Tastil: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Santa Rosa de Tastil, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Rosa de Tastil, 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).
JanFebMarAprMayJunJulAugSepOctNovDec504949474338394046505150
Data source: Temperature data for Santa Rosa de Tastil generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Santa Rosa de Tastil

In December, Santa Rosa de Tastil experiences a significant uptick in rainfall, accumulating approximately 95 mm (3.7 in) over 20 days, marking it as a climactic end to the wet season. This month mirrors the precipitation trend seen in January, showcasing a sustained pattern of moisture before tapering off in the early months of the new year. After a notably dry spell from May to August, where rainfall was virtually absent, the contrast becomes striking; December’s precipitation stands out as a robust recovery. This revival, with its frequent rain days, invigorates the landscape, offering a refreshing change before the region settles into a drier phase. Thus, December not only wraps up the year's precipitation cycle but also underscores the region's seasonal variability, highlighting the resilience of its ecosystem amidst climatic swings.

December Precipitation Trends in Santa Rosa de Tastil

The chart displays monthly precipitation patterns in Santa Rosa de Tastil, 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 Santa Rosa de Tastil, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec9793561811114113495
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Santa Rosa de Tastil

December in Santa Rosa de Tastil, Argentina, brings a sense of humidity that is palpable yet manageable, recorded at 77%. As the year progresses, a clear trend emerges: humidity levels are at their highest during the summer months, peaking in February at a notable 87%. Following this period, humidity steadily decreases, reaching its lowest point in the winter months, particularly in August with just 44%. By December, the environment starts to feel more humid compared to the drier winter months but remains below the summer highs. This fluctuation creates a dynamic climate, where residents can expect a refreshing shift as they transition from the drier season back into the more humid summer, making December a significant month for experiencing the region's unique weather patterns.

December Average Humidity in Santa Rosa de Tastil

This chart illustrates the average monthly humidity levels in Santa Rosa de Tastil, 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 Santa Rosa de Tastil is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%87%88%85%74%56%47%44%57%55%70%77%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Santa Rosa de Tastil

In Santa Rosa de Tastil, Argentina, December sees the UV Index reaching a staggering 19, categorizing it as extreme and maintaining a notoriously short burn time of just 10 minutes. This trend of high UV levels is consistent throughout the year, particularly from January to March when the index hovers near its peak at 19 and 18. Even as the seasons transition, the exposure remains alarmingly high into November, reflecting a compelling need for sun safety. With a notable dip to 10 in May and June, it’s clear that while there are fluctuations, the pattern predominantly favors extreme UV exposure. To better understand the UV challenges in this beautiful locale, visit Santa Rosa de Tastil UV Index.

Maximum UV Index Levels in Santa Rosa de Tastil for December

The chart shows the monthly maximum UV Index (UVI) for Santa Rosa de Tastil 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 Santa Rosa de Tastil typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1918161310891114171819
Data source: Santa Rosa de Tastil 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 Santa Rosa de Tastil

December in Santa Rosa de Tastil, Argentina, shines brightly with an impressive 371 hours of sunshine, contributing to the region's vibrant summer ambiance. This month continues a trend of abundant sunlight, following a remarkable October and November, which averaged 375 and 376 hours respectively. As the year wraps up, the sunshine hours slightly decrease from their peak yet remain significantly elevated compared to the earlier months of the year. With December’s generous daylight, residents and visitors alike can revel in the warm, sun-kissed days, making it a perfect time to explore the stunning landscapes that surround this enchanting destination.

Monthly Sunshine Duration in Santa Rosa de Tastil: December Highlighted

The December sunshine duration represents the total number of hours Santa Rosa de Tastil 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.
JanFebMarAprMayJunJulAugSepOctNovDec288h313h347h326h324h305h322h341h344h375h376h371h
Data source: Santa Rosa de Tastil December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Santa Rosa de Tastil During December

In December, the likelihood of sunny weather in Santa Rosa de Tastil takes a notable dip, with only a 31% chance of sunshine. This marks a significant contrast to the preceding months, where the chances have generally been higher, peaking in the cooler months of June and August at 92% and 87%, respectively. As the year winds down, December serves as a reminder of the preceding months, where optimism for sun reigns, especially in May through October. The shift in December could suggest the onset of the rainy season, making this month less ideal for sun seekers compared to the sun-soaked summer months within the region.

Percentage of Sunny Days in December in Santa Rosa de Tastil

The chart illustrates the percentage of sunny days in Santa Rosa de Tastil 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 Santa Rosa de Tastil experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec36%41%48%62%85%92%81%87%81%82%67%31%
Data source: Santa Rosa de Tastil December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Santa Rosa de Tastil in December

As December unfolds in Santa Rosa de Tastil, Argentina, daylight reaches a peak of 13 hours, mirroring the light-filled days of January and November. This consistent brightness signifies a crescendo of sunlight as the year draws to a close, following a gentle decline from 12 hours in March and April to a notable low of 10 hours during the winter months of May through July. Gradually, the days start to elongate again, building anticipation for warmer seasons. This rhythmic dance of daylight not only shapes the local climate but also enriches the cultural activities of the region, making December a vibrant time infused with hope and festivity.

Average Daylight Hours in Santa Rosa de Tastil for December

The chart illustrates the variation in daylight duration in Santa Rosa de Tastil throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 26m12h 53m12h 11m11h 28m10h 54m10h 37m10h 46m11h 17m11h 57m12h 40m13h 17m13h 36m
Data source: Santa Rosa de Tastil daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Santa Rosa de Tastil

In Santa Rosa de Tastil, Argentina, the December wind arrives gracefully, with an average speed of 1.5 m/s (approximately 3 mph). This gentle breeze marks a slight decline from the windier months of May through October, where speeds consistently hover around 2.5 to 2.8 m/s (6 mph). Interestingly, December’s winds echo a pattern observed earlier in the year, closely resembling the calmer conditions of January and February. As the year winds down, the air becomes stiller, inviting visitors to embrace the serene beauty of the landscape and enjoy a more tranquil atmosphere.

Average December Wind Speed in Santa Rosa de Tastil

The chart displays monthly wind speed patterns in Santa Rosa de Tastil, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.41.51.61.62.52.72.52.82.62.71.81.5 m/s
Data source: Santa Rosa de Tastil December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Santa Rosa de Tastil Compares to Other Months

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

December and January exhibit similar temperature ranges, with averages around 10°C (51°F) and maximums peaking at 24°C (75°F). However, December has a slightly milder minimum temperature of -1°C (30°F), compared to January's -2°C (29°F). Both months experience considerable precipitation, with December receiving 95 mm (3.7 in) over 20 days and January seeing a marginally higher 97 mm (3.8 in) over 19 days. The humidity in January also increases to 84%, reflecting a more humid atmosphere than December's 77%. For more detailed insights into January's weather, check Santa Rosa de Tastil weather in January.

December and February in Santa Rosa de Tastil exhibit similar average temperatures, with December averaging around 10°C (51°F) and February slightly cooler at 10°C (50°F). Both months experience relatively mild maximum temperatures, peaking at 24°C (75°F) in December and 23°C (74°F) in February. Precipitation is slightly higher in December at 95 mm (3.7 in), compared to February's 93 mm (3.6 in), with the rain spread over 20 days in December and 21 days in February. Additionally, February has a higher humidity level at 87%, whereas December's humidity stands at 77%. For more detailed information, you can check the Santa Rosa de Tastil weather in February.

In December, the weather features a comfortable average temperature of 10°C (51°F), with daily highs reaching up to 24°C (75°F) and lows dipping to a chilly 1°C (30°F). The month experiences considerable precipitation, totaling 95 mm (3.7 in) over 20 days, accompanied by a humidity level of 77%. In contrast, March tends to be slightly cooler, with an average temperature of 9°C (49°F), maxing out at 23°C (73°F) and lows of -4°C (25°F). Precipitation is significantly lower at 56 mm (2.2 in) over just 13 days, but humidity rises to 88%. For a more detailed look at March weather, check out Santa Rosa de Tastil weather in March.

In December, the weather showcases a wider range of temperatures, with daily averages reaching up to 10°C (51°F) and highs of 24°C (75°F), while the minimum temperature rarely drops below -1°C (30°F). This month also experiences较 high humidity at 77% and significant precipitation, totaling 95 mm (3.7 in) over about 20 days, indicating a damp and overcast atmosphere.

In contrast, April presents cooler conditions, with average temperatures around 8°C (47°F), dipping as low as -7°C (20°F) at night, and maximum temperatures peaking at 22°C (72°F). Notably, precipitation is considerably lower at 18 mm (0.7 in) over just 4 days, accompanied by a higher humidity level of 85%. This difference makes April feel more brisk and less wet compared to December. For a closer look at what to expect, check out Santa Rosa de Tastil weather in April.

December and May present strikingly different weather patterns. In December, temperatures range from a minimum of -1°C (30°F) to a maximum of 24°C (75°F), with an average of 10°C (51°F). This month experiences significant precipitation, averaging 95 mm (3.7 in) spread over about 20 days, contributing to a relatively high humidity level of 77%. In contrast, May brings much cooler temperatures, with a minimum of -10°C (13°F) and a maximum of 19°C (67°F), averaging 6°C (43°F). Notably, May records only minimal precipitation of 1 mm (0.1 in) and no rainy days, resulting in a slightly lower humidity of 74%. For more detailed information about the weather during May, you can refer to Santa Rosa de Tastil weather in May.

In December, the weather in Santa Rosa de Tastil is relatively mild, with average temperatures ranging from a chilly 10°C (51°F) at night to a warm 24°C (75°F) during the day. The month is characterized by higher humidity levels at 77% and significant precipitation, receiving about 95 mm (3.7 in) over approximately 20 days. In contrast, June experiences much cooler temperatures, with highs peaking at only 19°C (67°F) and lows diving to -11°C (12°F). This month sees minimal rainfall, recording just 1 mm (0.1 in) and no days of precipitation, contributing to a drier atmosphere with only 56% humidity. For a detailed look at Santa Rosa de Tastil's weather in June, you can check Santa Rosa de Tastil weather in June.

When comparing the weather between December and July, notable differences emerge. December experiences milder temperatures, with an average of 10°C (51°F), ranging from a minimum of -1°C (30°F) to a maximum of 24°C (75°F). The month is relatively wet, receiving 95 mm of precipitation over approximately 20 days, accompanied by higher humidity levels at 77%. In contrast, July is significantly cooler, with average temperatures around 4°C (39°F), dipping to a minimum of -10°C (13°F) and peaking at 18°C (64°F). This month sees minimal precipitation, with just 1 mm recorded and no rainy days, resulting in lower humidity at 47%. For more detailed information on July weather, you can visit Santa Rosa de Tastil weather in July.

When comparing the weather between December and August, a stark contrast emerges. December features a temperature range from a minimum of -1°C (30°F) to a maximum of 24°C (75°F), averaging 10°C (51°F) with significantly higher humidity levels at 77%. It experiences more precipitation as well, with 95 mm (3.7 in) spread over 20 days. In contrast, August brings much colder temperatures, with a minimum of -10°C (15°F) and a maximum of 19°C (66°F), averaging just 4°C (40°F). Additionally, August is characterized by an exceptionally dry climate, recording only 1 mm (0.1 in) of precipitation over 0 days and a lower humidity of 44%. For more specific details about August weather in this region, you can check Santa Rosa de Tastil weather in August.

In December, the weather is noticeably warmer, with average temperatures reaching about 10°C (51°F) and maximums climbing up to 24°C (75°F), compared to September's cooler average of 8°C (46°F) and highs of 22°C (72°F). December also brings increased humidity at 77%, along with more precipitation, averaging 95 mm over approximately 20 days, whereas September experiences a much drier climate with only 4 mm of rainfall across just one day. For a more detailed look at September weather patterns, you can visit Santa Rosa de Tastil weather in September.

In comparing the weather of December to that of October, we see notable differences in both temperature and precipitation. December features a slightly warmer average temperature, reaching up to 24°C (75°F), compared to October's maximum of 23°C (73°F). However, December experiences a higher minimum temperature of -1°C (30°F), while October dips lower to -3°C (26°F). Precipitation in December is significantly greater, with 95 mm (3.7 in) spread over 20 days, in stark contrast to October's mere 11 mm (0.4 in) across just 3 days. Additionally, December's humidity is higher at 77%, compared to October’s 55%. For a closer look at the typical weather in October, visit Santa Rosa de Tastil weather in October.

In December, temperatures in Santa Rosa de Tastil range from a minimum of -1°C (30°F) to a maximum of 24°C (75°F), with an average of 10°C (51°F). The month sees a notable increase in precipitation, totaling 95 mm (3.7 in) over 20 days, and a higher humidity level at 77%. In contrast, November features slightly cooler temperatures, with a minimum of -2°C (29°F) and the same average and maximum temperatures as December. Precipitation in November is significantly less, at 34 mm (1.3 in) over just 10 days, accompanied by lower humidity at 70%. For more detailed insights into the weather, you can check Santa Rosa de Tastil weather in November.

Compare Santa Rosa de Tastil's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Santa Rosa de Tastil

December in Santa Rosa de Tastil brings a notable transition in weather, with temperatures rising to pleasant averages and vibrant precipitation patterns setting the stage for a lively atmosphere. Unlike the cooler months, December showcases maximum daily highs that warm the spirit, while nighttime lows offer a refreshing chill, creating a delightful contrast. With humidity levels reaching notable highs and nearly two-thirds of the month witnessing rainfall, the lush landscape thrives beautifully. This month’s dynamic weather differs significantly from the quieter, drier conditions of preceding months, making it an essential time for social gatherings and outdoor exploration. To learn more about how the climate shapes this enchanting locale, check out Santa Rosa de Tastil Climate.