Last updated: August 21, 2025
In December, Chilecito, Argentina experiences a vibrant climate characterized by maximum temperatures reaching 32°C (90°F) and an average of 19°C (67°F), providing warm and inviting days. The weather is punctuated by a minimum temperature of 10°C (50°F) at night, creating a pleasant contrast. With 265 mm (10.5 in) of precipitation spread over 19 days, this month sees a blend of sunshine and occasional rain, contributing to a humidity level of 37%. Whether basking in the sun or enjoying the refreshing rain, December in Chilecito offers a unique and dynamic atmosphere.
In December, Chilecito, Argentina, experiences the onset of summer, marked by warm temperatures that gradually rise as the month progresses. The minimum temperature hovers around 10°C (50°F), providing a comfortable start to the season, while the average temperature settles at 19°C (67°F), perfect for outdoor activities. As the days lengthen, visitors can expect maximum temperatures reaching up to 32°C (90°F), making it an ideal time to enjoy the region's scenic landscapes. This trend of increasing warmth from the cooler months of spring reflects a vibrant shift, where Chilecito blooms, enticing travelers to bask in its sunshine and explore its beauty.
December in Chilecito, Argentina, ushers in a notable surge in precipitation, with an average of 265 mm (10.5 in) over approximately 19 days of rainfall. This robust amount reflects a consistent trend towards wetter conditions as the year closes, following a pattern established in the previous months. Notably, December often sees a marked increase from November's already significant 230 mm (9.0 in), underscoring the transition into the humid summer season. This uptick not only enhances the region's lush landscapes but also supports the vital agricultural activities that thrive during these crucial watering months, setting a vibrant tone for the new year ahead.
In Chilecito, Argentina, December marks the transition into the heart of summer, with humidity levels dipping to a modest 37%. This is a continuation of a gradual decline from the more humid months earlier in the year, where numbers peaked in March at 56% and remained relatively high through April and May. As the year progresses towards December, there's a clear trend of decreasing humidity, particularly evident as the ambiance shifts from the warmth of spring to the summer heat. By the time December arrives, the climate becomes drier, contributing to the sun-soaked leisure that characterizes this season in Chilecito.
In December, Chilecito experiences one of the highest UV Index ratings of the year, peaking at 17, which places it firmly in the extreme exposure category. This signifies a critical importance for sun safety, as just 10 minutes of unprotected exposure can result in skin damage. Following a consistent trend from the previous months, where UV Index readings hovered around 15 to 16, December’s increase highlights the intensified summer sun. Additionally, having started the year with extreme levels, the months of November and December continue this pattern, urging residents and visitors alike to take precautions under the intense Argentine sun. To learn more about the UV Index trends throughout the year, visit Chilecito UV Index.
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December shines brightly in Chilecito, Argentina, with an impressive 391 hours of sunshine, marking it as one of the sunniest months of the year. As autumn transitions into summer, the days grow longer, and several months of steadily increasing sunlight culminate in this climactic figure. From a moderate 307 hours in January to a significant peak in December, the gradual climb reflects the region's favorable climate. Notably, October and November also contribute robustly to this abundance, showcasing a steady trend of sunlight that enhances the vibrant atmosphere of Chilecito during the festive spirit of the holiday season. With each month providing more brilliant sunshine, December is the perfect time to soak in the warmth and beauty of this Argentine gem.
In Chilecito, Argentina, December marks a transitional period, as the likelihood of sunny weather stands at 46%. While this figure is lower than the peak summer months, which enjoy a sunny quotient of 90% in August and 84% in September, it follows a promising increase from 39% in February and steadily rises from 42% in March to 61% in November. This suggests that while December may not be the sunniest month, it's still on an upward trend, making it a decent time for outdoor activities, albeit with a cautious eye on the clouds.
In Chilecito, Argentina, December marks the continuation of long summer days with an impressive 13 hours of daylight, mirroring the abundance of sunshine seen in both January and February. As the year progresses, daylight gradually diminishes, beginning with 12 hours in March and tapering down to 10 hours from May through July. However, daylight begins to extend slightly again in August and September, offering 11 hours of sun before returning to 12 hours in October. This rhythmic pattern underscores the seasonal shifts that characterize the region, where vibrant summer days give way to shorter hours as autumn approaches, highlighting the dynamic interplay between light and seasons in this beautiful part of Argentina.
In December, the wind in Chilecito, Argentina, picks up to an average speed of 2.0 m/s (5 mph), maintaining the trend of moderate breezes that characterize the region throughout the year. Following a slightly varied pattern, the wind speeds show a steady rise from the earlier months, particularly from September onward, when they peak at 2.3 m/s (5 mph) in both September and October. After a small dip in November, December's winds remain consistent, reflecting a stable climate as the year closes. With the gentle currents blowing through this picturesque town, the December winds add a refreshing quality to the warm summer days, inviting both locals and visitors to embrace the outdoors in this charming Argentine setting.
Weather in Chilecito varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Chilecito, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather is warm with temperatures ranging from a minimum of 10°C (50°F) to an average of 19°C (67°F) and a maximum of 32°C (90°F). The month experiences significant precipitation, totaling 265 mm (10.5 in) over 19 days, accompanied by relatively low humidity at 37%. In contrast, January brings slightly warmer temperatures with a minimum of 10°C (50°F), an average of 20°C (69°F), and a maximum of 33°C (91°F). Although January sees less rainfall, totaling 228 mm (9.0 in) over 18 days, humidity increases to 47%. For more specific details about January weather in this region, check out Chilecito weather in January.
In comparing the weather between December and February, both months showcase a warm and humid climate. December boasts temperatures ranging from a minimum of 10°C (50°F) to a maximum of 32°C (90°F), with an average of 19°C (67°F). The month experiences significant precipitation, totaling 265 mm (10.5 in) over 19 rainy days and low humidity at 37%. Conversely, February features a slightly cooler maximum temperature of 29°C (85°F) while maintaining a similar minimum of 10°C (51°F). The average temperature dips slightly to 19°C (66°F), but precipitation increases to 290 mm (11.4 in) across 20 days, and humidity rises to 51%. This increase in humidity and rainfall makes February feel more damp compared to December. For more detailed information, you can check Chilecito weather in February.
In December, Chilecito experiences warmer temperatures, with a minimum of 10°C (50°F) and an average of 19°C (67°F), reaching a maximum of 32°C (90°F). The month also sees significant precipitation, totaling 265 mm (10.5 in) over 19 days, while the humidity remains relatively low at 37%. In contrast, March brings slightly cooler temperatures, with a minimum of 6°C (44°F) and an average of 17°C (63°F), peaking at 30°C (86°F). However, it also records even higher precipitation levels at 303 mm (11.9 in) across the same number of rainy days, contributing to an increase in humidity to 56%. Overall, while December offers warmer and drier weather, March tends to be cooler and wetter. For more details, check out Chilecito weather in March.
In December, the weather is typically warm with minimum temperatures around 10°C (50°F) and averages reaching up to 19°C (67°F), peaking at a maximum of 32°C (90°F). This month sees significant rainfall with a total of 265 mm (10.5 in) spread across 19 days, and a relatively low humidity of 37%. In contrast, April experiences cooler temperatures, with a minimum of 4°C (39°F), an average of 15°C (60°F), and a maximum of 28°C (82°F). Rainfall is lighter at 194 mm (7.6 in), observed over 17 days, and humidity increases to 58%. For more details on April weather in the region, visit Chilecito weather in April.
December and May present contrasting weather patterns. In December, temperatures can range from a mild 10°C (50°F) to a sizzling maximum of 32°C (90°F), with an average of 19°C (67°F). However, this month is characterized by significant precipitation, totaling 265 mm (10.5 in) over 19 days, alongside a lower humidity of 37%. In comparison, May experiences cooler temperatures, with a minimum of -6°C (21°F) and a pleasant maximum of 28°C (83°F), averaging 12°C (53°F). Precipitation in May is somewhat less, at 224 mm (8.8 in) across 15 days, but humidity levels increase to 57%. For further insights into May's weather, you can explore Chilecito weather in May.
December and June present contrasting weather patterns. In December, temperatures range from a minimum of 10°C (50°F) to a maximum of 32°C (90°F), with an average of 19°C (67°F). This month receives significant rainfall, totaling 265 mm (10.5 in) over approximately 19 days, accompanied by relatively low humidity at 37%. In stark contrast, June experiences cooler temperatures, with a minimum of -4°C (26°F), an average of 9°C (48°F), and a maximum of 28°C (83°F). Precipitation is less frequent in June, at 134 mm (5.3 in) over just 8 days, and the humidity is slightly higher at 46%. For more details about the specific weather in June, you can check Chilecito weather in June.
In December, the weather is significantly warmer, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 32°C (90°F), averaging around 19°C (67°F). This month also experiences higher precipitation, totaling 265 mm (10.5 in) over 19 days, and humidity levels at 37%. In contrast, July presents much cooler conditions, with temperatures dipping as low as -9°C (17°F) and averaging only 8°C (47°F) with a maximum of 25°C (78°F). The precipitation in July is considerably less, at 73 mm (2.9 in) over just 7 days, and humidity is higher at 49%. For more details on July weather, visit Chilecito weather in July.
In comparing the weather between December and August, December in Chilecito is characterized by significantly warmer temperatures, with a minimum of 10°C (50°F) and a maximum of 32°C (90°F), compared to August's chilling lows of -4°C (25°F) and highs reaching only 28°C (82°F). December also sees much higher precipitation levels at 265 mm (10.5 in) over 19 days, whereas August experiences minimal rainfall of 46 mm (1.8 in) across just 5 days. The humidity is relatively similar, with December averaging 37% and August at 40%, highlighting the stark contrast in climate between these two months. For more detailed weather information, you can explore Chilecito weather in August.
In December, the weather in Chilecito boasts a warmer average temperature of 19°C (67°F), with maximums reaching up to 32°C (90°F), compared to September's cooler average of 13°C (56°F) and a minimum of -3°C (27°F). December experiences significantly higher precipitation, with 265 mm (10.5 in) over 19 days, while September sees only 119 mm (4.7 in) across 10 days. The humidity in December is slightly lower at 37%, making it feel more comfortable despite the increased rainfall, whereas September has a humidity of 38%. For more details, check out Chilecito weather in September.
In comparing the weather of December and October, we see notable differences in temperature and precipitation patterns. December boasts warmer temperatures with a minimum of 10°C (50°F), an average of 19°C (67°F), and a maximum of 32°C (90°F). In contrast, October's cooler temperatures range from a minimum of 3°C (38°F) to an average of 15°C (60°F), peaking at 30°C (86°F). Additionally, December experiences significantly higher precipitation, totaling 265 mm (10.5 in) over 19 days, whereas October receives 191 mm (7.5 in) across 16 days. Both months share a consistent humidity level of 37%. For more details, check out Chilecito weather in October.
In comparing the weather between November and December, December tends to be slightly warmer with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 32°C (90°F), compared to November's range of 6°C (44°F) to 31°C (88°F). Additionally, December experiences a higher level of precipitation, totaling 265 mm (10.5 in) over 19 days, while November has 230 mm (9.0 in) across 18 days. Despite the increased rainfall in December, humidity levels are only marginally higher at 37%, compared to November's 36%. For a detailed look at November's weather patterns, you can visit Chilecito weather in November.
In December, Chilecito experiences a vibrant transition into summer, characterized by warmer temperatures and increased precipitation compared to the preceding months. With highs reaching around 32°C, the climate becomes more humid and energizing, inviting both locals and visitors to embrace outdoor activities. However, December is also marked by an uptick in rainfall, with nearly 19 days of precipitation, contributing to the region's lush landscapes. As the month unfolds, the average temperature settles at a mild 19°C, providing a comfortable balance amid the lively summer atmosphere. For a deeper understanding of Chilecito's climate, check out Chilecito Climate.