Last updated: August 21, 2025
December in Santa Cruz de la Sierra, Bolivia brings a striking blend of warmth and moisture. With maximum temperatures soaring to 36°C (97°F) and an average of 26°C (79°F), the days are undeniably warm. Nighttime temperatures drop to a comfortable 19°C (67°F), offering a pleasant reprieve. However, the month is also characterized by significant rainfall, totaling 194 mm (7.7 in) over 18 days, resulting in an 83% humidity level that enhances the tropical atmosphere. This combination of heat and precipitation shapes December into a vibrant and dynamic month in the heart of Bolivia.
In December, Santa Cruz de la Sierra experiences warm and inviting temperatures as it transitions into the summer season. The minimum temperature hovers around 19°C (67°F), ensuring comfortable nights, while the average maintains a pleasant 26°C (79°F) during the day. Maximum temperatures can reach up to 36°C (97°F), hinting at the heat that characterizes this vibrant city. Compared to the cooler months of June and July, December showcases a notable increase in warmth, reflecting a broader trend of rising temperatures as the year draws to a close. Whether you're exploring the city or enjoying outdoor festivities, the mild yet warm climate makes December a delightful time to visit Santa Cruz.
In December, Santa Cruz de la Sierra, Bolivia, experiences its wettest month of the year, with an impressive 194 mm (7.7 in) of rainfall spread over 18 days. This significant precipitation marks a notable increase from November, which itself received 140 mm (5.5 in) over 15 days. The trend is clear: as the year closes, the region transitions into a rainy season that peaks in December, contributing to lush landscapes and vibrant ecosystems. This uptick in rainfall sharply contrasts with the drier months of June and July, highlighting the dynamic weather patterns that characterize Santa Cruz de la Sierra throughout the year.
December in Santa Cruz de la Sierra, Bolivia, sees a notable increase in humidity as the year comes to a close, with levels reaching 83%. This month stands out after a gradual decline from the highs of 86% earlier in the year during April and January. Following the drier months from June to October, where humidity dipped to as low as 39%, December brings a refreshing rise reminiscent of the preceding summer months. The transition from the dry season back to a more humid atmosphere is evident, hinting at the approaching rainier season. This fluctuation highlights the city’s dynamic climate, characterized by a notable swing from arid conditions to a more balanced humidity in the latter part of the year.
In Santa Cruz de la Sierra, December marks the peak of intense sun exposure, with a UV Index reaching 16, categorizing it as extreme and necessitating quick precautions with a burn time of only 10 minutes. This follows a trend observed throughout the year, where the UV Index remains notably high from October to December, peaking during November and December. The consistent levels of extreme UV exposure during the first half of the year remind visitors and residents alike to protect themselves against harmful rays. As the year progresses, while some months drop to a very high category, December stands out as a critical reminder of the need for sun safety. For more detailed insights, visit Santa Cruz de la Sierra UV Index.
UV Risk Categories
As December unfolds in Santa Cruz de la Sierra, the city basks in a generous 283 hours of sunshine, a delightful continuation of the area's robust warm weather. This month sees a gentle dip from October's peak of 300 hours, yet it remains comfortably above the average, showcasing a trend of consistent brightness throughout the year. Notably, sunshine hours have generally increased since the cooler months of June and July, reflecting the vibrant summer season that embraces the city as it transitions into the new year. With its sun-bleached days, December offers both locals and visitors a perfect backdrop to enjoy the festive atmosphere and outdoor activities that are synonymous with life in this enchanting Bolivian metropolis.
In Santa Cruz de la Sierra, Bolivia, the likelihood of sunny weather in December is quite low, with only a 17% chance of sun. This is consistent with a noticeable trend leading up to the holiday season, as the chance of sunny days dwindles from the preceding months. The city experiences its highest sunlight in the heart of winter, particularly in July and August, where sunshine probabilities soar to 66% and 69%, respectively. Conversely, as we approach the final month of the year, the sunlight slips away, reflecting a dip from the more promising 43% in May and 40% in October. Thus, while December might not boast abundant sunshine, it serves as a gentle reminder of the brighter days that lie ahead in the heart of summer.
In Santa Cruz de la Sierra, Bolivia, December marks a delightful transition as daylight reaches 13 hours, echoing the vibrant energy of summer. This month mirrors the early weeks of the year, where daylight peaks at 13 hours in both January and December, creating a sunlit bookend to the year. As the calendar progresses from February through November, the daylight gradually diminishes, stabilizing at 11 hours for several months from April to September. This consistency in daylight during the cooler months suggests a rhythm in nature that fluctuates gently, before re-energizing as days lengthen again in October. As the year concludes, residents and visitors can bask in generous sunlight, enjoying the warmth and vitality it brings to the bustling city.
As December arrives in Santa Cruz de la Sierra, Bolivia, the winds whisper a gentler tune, with an average speed of just 2.7 m/s (6 mph). This marks a noticeable dip from the peak wind conditions of the preceding months. Following a steady ascent through the dry season, where wind speeds ranged from a bracing 3.3 m/s in April to a robust 4.3 m/s in September, December introduces a welcome calm that enhances the city's vibrant festive atmosphere. As the year winds down, the milder breezes invite residents and visitors alike to enjoy the charm of the summer sun with a softer touch, reflecting a tranquil shift as one season gracefully gives way to another.
Weather in Santa Cruz de la Sierra varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Santa Cruz de la Sierra, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, temperatures in Santa Cruz de la Sierra range from a minimum of 19°C (67°F) to a maximum of 36°C (97°F), with an average temperature of 26°C (79°F). The month experiences considerable rainfall, totaling 194 mm (7.7 in) over 18 days, along with high humidity at 83%.
Conversely, January sees similar temperature patterns, maintaining a minimum of 19°C (66°F) and an average of 26°C (79°F), but it slightly increases in maximum temperature to 36°C (98°F). Precipitation in January decreases to 139 mm (5.5 in) over 16 days, with humidity rising slightly to 86%. For more detailed information, you can check Santa Cruz de la Sierra weather in January.
December and February in Santa Cruz de la Sierra exhibit similar temperature ranges, with both months having minimum temperatures around 19°C (67°F) and average temperatures peaking at 26°C (79°F). However, December experiences significantly higher precipitation, totaling 194 mm (7.7 in) across 18 days, compared to February’s 119 mm (4.7 in) over 15 days. This results in February being slightly drier, despite the humidity being marginally higher at 84%. For a closer look at the weather specifics during February, you can check Santa Cruz de la Sierra weather in February.
In comparing the weather patterns of December and March, both months offer warm temperatures, but they do have their distinct characteristics. December experiences a minimum temperature of 19°C (67°F) and peaks at 36°C (97°F), with significant precipitation of 194 mm (7.7 in) over 18 days, resulting in high humidity levels at 83%. In contrast, March sees slightly cooler minimum temperatures of 15°C (60°F) and can reach a maximum of 38°C (100°F), yet it has much less rainfall at 97 mm (3.8 in) over 16 days, with humidity rising to 85%. For more detailed information about the weather in March, you can check the following link: Santa Cruz de la Sierra weather in March.
December and April showcase distinct weather patterns in Santa Cruz de la Sierra. In December, temperatures range from a minimum of 19°C (67°F) to a maximum of 36°C (97°F), with an average temperature of 26°C (79°F). This month is also characterized by high humidity at 83% and significant rainfall totaling 194 mm (7.7 in) over 18 days. In contrast, April experiences slightly cooler temperatures, with a minimum of 15°C (60°F) and a maximum of 35°C (95°F), leading to an average of 24°C (76°F). The precipitation is notably lower at 68 mm (2.7 in) over 10 days, and the humidity rises marginally to 86%. For more detailed insights about April weather, visit Santa Cruz de la Sierra weather in April.
In comparing the weather between December and May, December experiences significantly warmer temperatures, with minimums around 19°C (67°F) and maximums reaching up to 36°C (97°F). The average temperature of 26°C (79°F) is accompanied by higher humidity at 83% and considerable rainfall, totaling 194 mm (7.7 in) over 18 days. In contrast, May offers a cooler climate, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 32°C (91°F), and an average of 22°C (71°F). Precipitation is also lower in May, with just 66 mm (2.6 in) falling over 10 days, and a slight decrease in humidity to 79%. For a closer look at specific weather patterns, you can visit Santa Cruz de la Sierra weather in May.
In December, Santa Cruz de la Sierra experiences much warmer temperatures compared to June, with minimums around 19°C (67°F) and maximums soaring up to 36°C (97°F). The average temperature in December sits at a warm 26°C (79°F), while June offers a cooler climate, with minimums dropping to 9°C (48°F) and maximums reaching only 30°C (86°F). Additionally, December brings significantly higher precipitation, totaling 194 mm (7.7 in) over 18 rainy days and humidity levels at a high 83%. In contrast, June enjoys a drier atmosphere with only 48 mm (1.9 in) of rain over 9 days and lower humidity at 64%. For more insights into June’s climate, you can check this link: Santa Cruz de la Sierra weather in June.
December and July in Santa Cruz de la Sierra present a striking contrast in weather patterns. In December, the temperatures are considerably warmer, with minimums around 19°C (67°F) and maximums soaring to 36°C (97°F). The month is also quite humid, with an average humidity of 83% and significant rainfall, totaling 194 mm (7.7 inches) over about 18 days. In contrast, July experiences much cooler temperatures, with minimums of 5°C (41°F) and maximums reaching only 32°C (90°F). This month sees far less precipitation, with only 36 mm (1.4 inches) falling over just 5 days, and a notably lower humidity of 47%. For more detailed information, you can explore Santa Cruz de la Sierra weather in July.
In comparing the weather of December and August, it becomes clear that December is significantly warmer and more humid. With average temperatures ranging from a minimum of 19°C (67°F) to a maximum of 36°C (97°F), December experiences a plush climate that is coupled with high humidity at 83%. In contrast, August offers milder temperatures with an average ranging from 8°C (46°F) to a maximum of 34°C (94°F). Precipitation also varies greatly between the two months, as December typically sees 194 mm (7.7 in) of rain over 18 days, while August only receives 55 mm (2.2 in) over just 5 days. For more detailed insights, you can explore Santa Cruz de la Sierra weather in August.
When comparing the weather in December and September, significant differences emerge. In December, temperatures range from a minimum of 19°C (67°F) to a maximum of 36°C (97°F), with an average of 26°C (79°F). This month also sees higher precipitation levels, with about 194 mm (7.7 in) falling over 18 days, resulting in a humidity of 83%. In contrast, September experiences milder temperatures, with a minimum of 11°C (51°F) and a maximum of 37°C (100°F), averaging 25°C (78°F). Notably, September is much drier, receiving only 35 mm (1.4 in) of rain over just 6 days, leading to a lower humidity of 39%. For more information, you can explore Santa Cruz de la Sierra weather in September.
December weather in Santa Cruz de la Sierra tends to be warmer and more humid compared to October. With average temperatures ranging from a minimum of 19°C (67°F) to a maximum of 36°C (97°F), December sees a higher maximum temperature than October, which ranges from 15°C (59°F) to 38°C (101°F). Additionally, December experiences significantly more precipitation, averaging 194 mm (7.7 in) over 18 days, whereas October averages only 89 mm (3.5 in) over 10 days. The humidity in December is also markedly higher at 83%, compared to the 39% humidity typically felt in October. For more details, you can check Santa Cruz de la Sierra weather in October.
In comparing the weather of December and November, we see some notable differences. December tends to be slightly warmer, with average temperatures remaining constant at 26°C (79°F), while the minimum temperature rises to 19°C (67°F) compared to November's 16°C (61°F). However, November can reach hotter maximum temperatures, peaking at 39°C (102°F), while December's maximum is lower at 36°C (97°F). Precipitation also increases in December, totaling 194 mm (7.7 in) over 18 days, compared to 140 mm (5.5 in) over 15 days in November. Additionally, humidity rises significantly from 70% in November to 83% in December, making the latter month feel more humid overall. For more detailed information on November's weather, visit Santa Cruz de la Sierra weather in November.
As December arrives in Santa Cruz de la Sierra, the weather transforms into a vibrant tapestry of warmth and humidity, distinguishing it from the cooler months preceding it. With high temperatures soaring up to 36°C and an average of 26°C, visitors can expect to bask in a tropical atmosphere. This month is also characterized by frequent rain, with nearly two-thirds of days experiencing precipitation, contributing to the 83% humidity that envelops the city. While other months may offer cooler and drier conditions, December invites you to embrace the richness of the Bolivian summer. For a deeper dive into the city's weather patterns, explore the detailed statistics at Santa Cruz de la Sierra Climate.