Last updated: August 21, 2025
In San Pedro de Jujuy, Argentina, December brings a mix of warmth and humidity, with maximum temperatures soaring to 39°C (102°F), while the average settles at a comfortable 25°C (77°F). The month is characterized by significant precipitation, totaling 189 mm (7.4 in) over 17 days, contributing to an overall humidity level of 85%. This combination of heat and moisture creates a vibrant atmosphere, perfect for exploring the natural beauty of the region, despite the occasional rain showers.
In December, San Pedro de Jujuy basks in warm summer temperatures, with a minimum of 13°C (56°F) and an average of 25°C (77°F), reaching up to a maximum of 39°C (102°F). As the year draws to a close, the city's temperatures reflect a noticeable trend towards the higher end of the spectrum, echoing the warmth of previous months. Compared to the cooler winter months, December invites visitors to enjoy outdoor activities and festive celebrations. With consistent warmth and abundant sunshine, it’s an ideal time to explore the vibrant culture and breathtaking landscapes that San Pedro de Jujuy has to offer.
December marks a notable peak in precipitation for San Pedro de Jujuy, Argentina, with an impressive total of 189 mm (7.4 in) of rainfall spread over 17 days. This increase in precipitation signals the transition into the southern summer, following a trend of diminishing rainfall from May to August, when the region experienced its driest months. As the year wraps up, the wet season begins to take hold, with December not only showcasing the highest rainfall of the year but also a resurgence in rainy days, comparable to the earlier months of January and February. The consistent uptick in moisture during this month prepares the landscape for lush growth and vibrant ecosystems, reflecting nature's rhythm in this picturesque corner of Argentina.
In December, San Pedro de Jujuy experiences a noticeable increase in humidity, reaching 85%, which reflects a return to the higher moisture levels typical of the earlier months. Following a steady decline from August’s low of 45%, the humidity begins its upward trajectory again in November, suggesting the influence of warmer temperatures as summer approaches. This climatic shift is consistent with the pattern observed throughout the year, where the winter months of July and August experience significantly lower humidity levels, underscoring the region's seasonal transition. Overall, December's humidity sets the stage for a warm and potentially rainier summer, inviting the lush growth characteristic of the Argentine landscape.
In December, San Pedro de Jujuy experiences an extreme UV Index of 15, maintaining a trend seen throughout the warmer months. As the year draws to a close, the region continues to demand careful sun exposure management, with a burn time of just 10 minutes for fair-skinned individuals. This consistency highlights a pattern of high UV radiation from peak summer in January through to December, with values consistently in the extreme range. As outdoor activities remain appealing, it's crucial for residents and visitors alike to stay vigilant and protect their skin from the sun's intense rays. For more detailed information on the UV Index throughout the year, visit San Pedro de Jujuy UV Index.
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In December, San Pedro de Jujuy shines brightly, boasting an impressive 297 hours of sunshine that beckons locals and travelers alike to revel in the warm glow of summer. This month stands out as a peak in the annual cycle, following the notably sun-drenched August with its 300 hours. As the year winds down, December notably outshines the earlier months, eclipsing November's 256 hours and re-establishing the sunny trend that builds from the springtime warmth of October and a charming November. The steady increase from March's 232 hours to December's culmination showcases the region’s delightful consistency in sunshine, promising joyful days filled with blue skies and outdoor adventures in this picturesque corner of Argentina.
In December, the likelihood of sunny weather in San Pedro de Jujuy, Argentina, is relatively low, at 32%. This marks a decline as the year winds down, especially following the notably higher chances of sunshine seen in the late winter and early spring months, such as 83% in August and 62% in October. As the seasons shift, sunshine becomes less predictable, aligning more closely with November's 39%. Despite the slight dip in December, residents and visitors can still look forward to glimpses of sunshine amidst the summer heat, as the region gradually transitions into its sunnier months of January and February, where the chances of sun again rise to 40% and 30%, respectively.
In San Pedro de Jujuy, Argentina, December ushers in a vibrant time as daylight stretches to 13 hours, mirroring the luminous heights of January and November. This consistent brightness marks the peak of the Southern Hemisphere's summer, inviting residents and visitors alike to bask in the warm sunshine. As the year progresses, the trend shows a gradual decline from the prolific daylight of early summer, with hours gradually shortening through the cooler months of late autumn and winter. Notably, both November and December stand out as months of abundant light, creating a festive atmosphere and encouraging outdoor activities against a backdrop of breathtaking landscapes.
As December rolls into San Pedro de Jujuy, the winds remain gentle, with an average speed of 1.5 m/s (3 mph). This month typically marks a slight dip in wind intensity compared to the brisker conditions of late spring, where November recorded a higher average of 2.1 m/s (5 mph). Throughout the year, wind speeds gradually increased from the calm of January’s 1.4 m/s (3 mph) until peaking in November, only to settle back as summer approaches. This trend indicates a transition into a warmer season, offering a refreshing yet soft breeze that complements the vibrant atmosphere of the festive month. With the winds calming down, December provides an ideal environment for enjoying the scenic beauty and cultural richness of this charming Argentinian locale.
Weather in San Pedro de Jujuy varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Pedro de Jujuy, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of December and January, both months experience relatively warm temperatures, with December's minimum average at 13°C (56°F) and January slightly higher at 14°C (58°F). The average temperature remains consistent at 25°C (77°F) for both months, while January peaks at a maximum of 40°C (104°F), just one degree above December’s maximum of 39°C (102°F). Precipitation levels are quite similar; December sees 189 mm (7.4 in) spread over 17 days, while January has slightly less at 180 mm (7.1 in), also over 17 days. Humidity decreases a bit from December’s 85% to January’s 81%. For more details, check out San Pedro de Jujuy weather in January.
December and February both showcase warm temperatures, but there are some noticeable differences in their weather patterns. In December, the minimum temperature is slightly lower at 13°C (56°F), while February starts at a minimum of 14°C (57°F). The average temperature remains fairly consistent, with December averaging 25°C (77°F) and February just slightly cooler at 24°C (75°F). Max temperatures are higher in December, peaking at 39°C (102°F), compared to a maximum of 36°C (97°F) in February.
Precipitation is also more abundant in December, with 189 mm (7.4 in) over 17 days, while February sees less rain at 153 mm (6.0 in) over 18 days. Humidity is higher in December at 85%, compared to February's 75%. For those looking for specific details on February weather, you can check this link: San Pedro de Jujuy weather in February.
In December, the weather tends to be hotter than in March, with a maximum temperature reaching 39°C (102°F) compared to March's peak of 36°C (97°F). December also experiences higher humidity at 85%, while March maintains a more comfortable level of 76%. Additionally, December sees more precipitation, averaging 189 mm (7.4 in) over 17 days, compared to 132 mm (5.2 in) over 18 days in March. For those looking for detailed weather specifics, you can refer to San Pedro de Jujuy weather in March.
Comparing the weather in December and April reveals significant differences in temperature and precipitation. December experiences warmer temperatures, with minimums around 13°C (56°F) and highs reaching up to 39°C (102°F), while April is much cooler, showcasing minimums of 5°C (42°F) and maximums of 34°C (93°F). In terms of precipitation, December is notably wetter, receiving 189 mm (7.4 in) over 17 days, compared to April, which sees only 110 mm (4.3 in) across 16 days. Both months have high humidity levels of 85%, but the overall experience of each month’s weather is distinct, making for a diverse climate throughout the year. For more specific details, you can check San Pedro de Jujuy weather in April.
In December, the weather is characterized by much higher temperatures, ranging from a minimum of 13°C (56°F) to a scorching maximum of 39°C (102°F), with an average temperature of 25°C (77°F). The month also sees significant rainfall, with 189 mm (7.4 in) of precipitation over 17 days and consistent humidity around 85%. In contrast, May presents a much cooler climate, where temperatures drop to a minimum of 2°C (36°F) and reach a maximum of 33°C (93°F), with an average temperature of 16°C (61°F). Precipitation is considerably lower at 32 mm (1.3 in) over 9 days, and humidity is slightly higher at 88%. The difference in weather between these two months highlights the transition from the sweltering heat of December to the milder conditions of May. For more detailed insights, check out San Pedro de Jujuy weather in May.
December and June present stark contrasts in weather. December boasts much higher temperatures, with averages around 25°C (77°F) and maximums reaching up to 39°C (102°F), while June offers a much cooler climate, where temperatures typically range from a minimum of -1°C (30°F) to a maximum of 31°C (88°F). Additionally, December experiences significantly more rainfall, with 189 mm (7.4 in) spread over 17 days, compared to June's minimal 13 mm (0.5 in) over just 3 days. Humidity is also higher in December at 85%, whereas June sees a lower humidity of 79%. For more detailed information, you can check San Pedro de Jujuy weather in June.
December and July present strikingly different weather conditions. In December, temperatures soar with a minimum of 13°C (56°F) and an average high reaching 39°C (102°F), accompanied by substantial rainfall totaling 189 mm (7.4 in) over 17 days, leading to a high humidity level of 85%. In contrast, July experiences much cooler temperatures, with a minimum of -3°C (27°F) and an average high of only 33°C (92°F). The precipitation in July is minimal at just 10 mm (0.4 in) over 3 days, resulting in a lower humidity level of 60%. For more details on July's weather, you can visit San Pedro de Jujuy weather in July.
In December, the weather is characterized by significantly warmer temperatures, with a minimum of 13°C (56°F) and an average of 25°C (77°F), reaching a maximum of 39°C (102°F). This month also sees a higher level of humidity at 85% and considerably more rainfall, totaling 189 mm (7.4 in) over 17 days. In contrast, August experiences much cooler conditions, with minimum temperatures dropping to 0°C (32°F) and an average of just 16°C (61°F). Interestingly, while the maximum temperature can still reach 39°C (102°F), August boasts minimal rainfall, receiving only 6 mm (0.2 in) over just one day and a lower humidity of 45%. For more detailed information on the weather in August, check out San Pedro de Jujuy weather in August.
In December, the weather is notably warmer than in September, with minimum temperatures around 13°C (56°F) and average highs reaching up to 39°C (102°F), compared to September's milder range of 3°C (38°F) to a maximum of 42°C (108°F). While both months can experience high temperatures, December's humidity at 85% creates a more oppressive heat, contrasted with September's more comfortable humidity level of 53%. Additionally, December sees significantly more rainfall, with 189 mm (7.4 in) over 17 days, compared to just 7 mm (0.3 in) and 1 rain day in September, making December a much wetter month overall. For a detailed look at September's climate, you can visit San Pedro de Jujuy weather in September.
In comparing the weather between December and October, December tends to be warmer and wetter. While temperatures in December range from a minimum of 13°C to a maximum of 39°C, October presents a broader temperature spectrum with highs reaching up to 44°C. Additionally, December sees significantly more rainfall, with 189 mm spread over 17 days, compared to October's 56 mm over just 8 days. The humidity also rises in December to 85%, while October maintains a lower humidity level of 55%. For more detailed information, you can check San Pedro de Jujuy weather in October.
In comparing the weather between November and December, we see a slight increase in both average and minimum temperatures, with December averaging 25°C (77°F) and November at 24°C (76°F). December also experiences higher maximum temperatures, reaching up to 39°C (102°F), compared to November's max of 40°C (103°F). However, December is notably wetter, with 189 mm (7.4 in) of precipitation over 17 days, while November sees significantly less precipitation at 86 mm (3.4 in) over 14 days. Additionally, the humidity starts to rise in December, climbing to 85% compared to November's 75%. For more detailed insights into November's climate, check out San Pedro de Jujuy weather in November.
December in San Pedro de Jujuy brings a striking contrast to the city’s weather compared to other months. As the summer heat peaks, temperatures can soar, often reaching a sweltering 39°C (102°F), while average lows remain mild. This month also sees increased humidity levels, creating a tropical feel, alongside significant rainfall, with about 17 days of precipitation contributing to a total of 189 mm (7.4 in). These factors transform the landscape, making December a unique time to experience the lush greenery that follows the seasonal rains. For a more in-depth look at what to expect from the weather throughout the year, check out the complete San Pedro de Jujuy Climate guide.