Last updated: October 30, 2025
In December, Rurrenabaque, Bolivia, experiences a tropical climate that captivates the senses. The maximum temperatures can soar to a sweltering 35°C (96°F), while the average hovers around a comfortable 26°C (79°F), and nights cool down to a pleasant 21°C (70°F). With humidity levels at a remarkable 91%, the air is thick and vibrant, enhancing the allure of this lush region. However, visitors should be prepared for significant precipitation, as the month sees an impressive 425 mm (16.7 in) of rain across 25 days, painting the landscape in vivid greens and filling the rivers to the brim, inviting exploration and adventure.
As December rolls into Rurrenabaque, Bolivia, the tropical warmth becomes unmistakable. With minimum temperatures starting at a cozy 21°C (70°F), the days are invitingly warm, peaking at a max of 35°C (96°F). This month maintains an average of 26°C (79°F), mirroring the steady temperatures of previous months while hinting at a slight increase compared to November. The noticeable trend of rising warmth from the cooler months of June and July resonates with the onset of Bolivia’s summer. December is a perfect time for adventurers seeking balmy weather to explore the lush Amazon Basin and embrace the vibrant local culture.
In December, Rurrenabaque, Bolivia, experiences a significant increase in precipitation, receiving an impressive 425 mm (16.7 in) of rain over 25 days. This spike marks it as the wettest month of the year, contrasting sharply with the drier months of May and July, which see as little as 35 mm (1.4 in) of rain. The pattern reveals a clear trend of increasing precipitation as the year comes to a close, following a gradual rise from the drier season. As Rurrenabaque transitions into its rainy season, the lush, verdant landscapes emerge, making December a remarkable time for the region's biodiversity, despite the frequent downpours.
In Rurrenabaque, Bolivia, December marks a return to high humidity levels, peaking at 91%. This rich humidity is a significant increase compared to the drier months of July and August, where levels dropped to 61% and 54%, respectively. As the calendar year draws to a close, humidity begins to rise again, reflecting the region's tropical climate. The trend indicates that Rurrenabaque experiences its most humid periods during the early months of the year, with January and February showing similar figures of 92% and 90%. Overall, December serves as a transition back into the lush, moisture-laden atmosphere that characterizes the Bolivian jungle, providing a vibrant backdrop to the community and its natural beauty.
In Rurrenabaque, Bolivia, the UV Index reaches a striking 16 in December, classifying it as extreme, with a dangerously short burn time of just 10 minutes. This high UV exposure reflects the trend observed throughout the year, where the index consistently hovers between 14 and 16 during peak months, particularly from January to November. Surprisingly, even as the year transitions into the cooler months of June and July, the UV Index remains markedly high at 9, indicating the region's persistent sun intensity. When visiting, it's crucial to stay vigilant and protect your skin, as the extreme levels persist until the year's end. For more detailed insights, check out the comprehensive Rurrenabaque UV Index.
UV Risk Categories
In Rurrenabaque, Bolivia, the month of December boasts an impressive 255 hours of sunshine, making it a bright finale to the year's climatic journey. Notably, sunshine hours steadily increase through the first half of the year, peaking dramatically in July with 287 hours before descending toward December. This downward trend is mirrored by the consistently high sunshine in the latter months of the year, particularly August and September, which enjoy the most sun. While December experiences a slight dip from the lush summer months, it still retains a warm embrace of sunlight, inviting visitors to enjoy the vibrant landscapes and rich biodiversity of this enchanting region. The annual cycle of sunshine in Rurrenabaque highlights its appeal as a year-round destination for those seeking the warmth and splendor of the Bolivian tropics.
In Rurrenabaque, Bolivia, December marks a notable shift in weather patterns, presenting a challenging time for sunny days with only a 6% chance of sunshine. This trend is a stark contrast to the more favorable conditions seen earlier in the year, particularly from July to August when sunny weather peaks at 56% and 68%, respectively. As the month progresses from the mix of sun and clouds in the dry season towards the wetter months, the likelihood of clear skies diminishes significantly. With the onset of December’s rainy season, potential visitors should prepare for limited sun exposure, making it less ideal for outdoor activities that rely on bright, sunny weather.
In Rurrenabaque, Bolivia, the daylight duration remains strikingly consistent throughout much of the year, maintaining a steady 12 hours from January to March and again in September through November. As the seasons shift, the daylight gradually diminishes in April through August, dropping to 11 hours per day, reflecting the region's subtle transition toward winter. However, December signals a return to 12 hours of daylight, bringing back the vibrant, sunlit days cherished by locals and visitors alike. This rhythmic pattern not only highlights the equatorial climate's charm but also sets the perfect backdrop for exploring the breathtaking landscapes and rich biodiversity of the Amazon basin during the festive holiday season.
In Rurrenabaque, Bolivia, December ushers in a gentle breeze with an average wind speed of 1.6 m/s (4 mph), mirroring the calm rhythms of previous months. As the year draws to a close, the winds remain relatively steady, showing only slight fluctuations from the autumn months. This consistency, paired with the lush landscapes of the Bolivian Amazon, creates a serene atmosphere perfect for outdoor exploration. Observing the trend, wind speeds have gradually increased since the year’s low in March, suggesting a subtle shift towards livelier conditions as the summer months approach. This culminates in a delightful balance during December, where the tranquil winds enhance the natural beauty of the region, inviting travelers to savor the peaceful charm of the tropical environment.
Weather in Rurrenabaque varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Rurrenabaque, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather tends to be slightly warmer with a minimum temperature of 21°C (70°F) and averages reaching up to 26°C (79°F), while January sees a slight dip in the minimum temperature to 19°C (66°F). Both months experience high maximum temperatures of 35°C (96°F), indicating consistent warmth. December is also characterized by heavier rainfall, totaling 425 mm (16.7 in) over 25 days, compared to January's 321 mm (12.6 in) over 21 days. Humidity levels remain quite similar, hovering around 91% in December and slightly increasing to 92% in January. For more detailed insights about January weather, visit Rurrenabaque weather in January.
December and February present similar temperature profiles, with both months featuring a minimum temperature of 21°C (70°F), an average of 26°C (79°F), and only a slight difference in their maximum temperatures—35°C (96°F) in December versus 34°C (94°F) in February. However, December tends to be wetter, receiving 425 mm (16.7 in) of precipitation over 25 days, compared to February's 348 mm (13.7 in) across 24 days. The humidity levels also remain high throughout both months, with December at 91% and February slightly lower at 90%. For more detailed insights into February weather, check out Rurrenabaque weather in February.
In December, the weather features a slightly wider range of temperatures, with a minimum of 21°C (70°F) and a maximum of 35°C (96°F), while March sees a slightly cooler minimum of 19°C (66°F) and a maximum of 34°C (94°F). Both months exhibit the same average temperature of 26°C (79°F), but December is characterized by higher precipitation levels, with 425 mm (16.7 in) compared to March's 322 mm (12.7 in). Additionally, both months experience high humidity levels at 91%, creating a consistently steamy atmosphere. For more detailed information about the weather in March, you can check Rurrenabaque weather in March.
In December, the weather tends to be warm and humid, with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 35°C (96°F) and an average of 26°C (79°F). This month also experiences significant rainfall, totaling 425 mm (16.7 in) over about 25 days, contributing to a high humidity level of 91%.
In contrast, April sees slightly cooler temperatures, with minimums of 17°C (63°F) and maximums of 34°C (93°F), maintaining a similar average of 26°C (78°F). Precipitation is markedly less in April, amounting to 176 mm (6.9 in) over 19 days, with relative humidity remaining lower at 89%.
For more detailed information on the weather in April, you can visit Rurrenabaque weather in April.
December and May showcase contrasting weather patterns. In December, temperatures range from a minimum of 21°C (70°F) to a maximum of 35°C (96°F), with an average of 26°C (79°F) and high humidity at 91%. This month also experiences significant rainfall, with precipitation reaching 425 mm (16.7 in) over 25 days. In contrast, May sees cooler temperatures, with a minimum of 14°C (57°F) and a maximum of 33°C (91°F), averaging 24°C (75°F). Rainfall is considerably less in May, totaling 80 mm (3.2 in) over just 10 days, while humidity remains slightly lower at 89%. For a detailed look at the weather in May, visit Rurrenabaque weather in May.
December and June present contrasting weather conditions. In December, temperatures are much warmer, with a minimum of 21°C (70°F) and an average of 26°C (79°F), peaking at a scorching 35°C (96°F). The month is also characterized by high humidity at 91% and substantial rainfall, totaling 425 mm (16.7 in) over 25 days. In contrast, June offers cooler weather, with temperatures ranging from a minimum of 11°C (53°F) to an average of 22°C (72°F) and a maximum of 32°C (89°F). Precipitation is significantly lower in June, at 73 mm (2.9 in), falling over just 7 days of the month, and humidity is relatively lower at 79%. For more details on June's weather, you can check Rurrenabaque weather in June.
In December, the weather is typically much warmer and more humid compared to July. With temperatures ranging from a minimum of 21°C (70°F) to a maximum of 35°C (96°F) and an average of 26°C (79°F), December experiences high humidity levels at 91% and significant rainfall, with 425 mm (16.7 in) over 25 days. In contrast, July sees cooler temperatures, with a range from 9°C (49°F) to 33°C (92°F) and an average of 22°C (72°F). Additionally, July enjoys drier conditions, with only 35 mm (1.4 in) of precipitation over just 5 days and lower humidity at 61%. For a more detailed look at July weather, check out Rurrenabaque weather in July.
December and August present strikingly different weather patterns. December boasts warm temperatures with a minimum of 21°C (70°F) and an average of 26°C (79°F), peaking at a hot 35°C (96°F). However, it also brings significant rainfall, with 425 mm (16.7 in) of precipitation over 25 days and a high humidity level of 91%. In contrast, August features cooler temperatures, dipping to a minimum of 8°C (47°F) and averaging 24°C (75°F), while reaching a maximum of 36°C (98°F). Rainfall is minimal in August, with only 51 mm (2.0 in) across just 7 days and a much lower humidity of 54%. For more details about the weather in August, you can check Rurrenabaque weather in August.
When comparing the weather in December and September, notable differences emerge. In December, temperatures range from a minimum of 21°C (70°F) to a maximum of 35°C (96°F), with an average of 26°C (79°F). This month is characterized by high humidity at 91% and substantial rainfall, accumulating 425 mm (16.7 in) over 25 days. In contrast, September presents a cooler climate, with temperatures ranging from 15°C (59°F) to a high of 38°C (100°F), while still averaging 26°C (80°F). Rainfall is significantly lower in September, amounting to 82 mm (3.2 in) over just 10 days, accompanied by a much drier humidity level of 62%. For more details, visit Rurrenabaque weather in September.
In comparing the weather of December and October, we see notable differences in temperature, precipitation, and humidity. December maintains a warmer average temperature, ranging from a minimum of 21°C (70°F) to a maximum of 35°C (96°F), while October is slightly cooler, with temperatures between 18°C (64°F) and 38°C (101°F). Rainfall is significantly higher in December, with 425 mm (16.7 in) occurring over 25 days, compared to October's 167 mm (6.6 in) over just 14 days. Additionally, December's humidity is much higher at 91%, compared to October’s more comfortable 65%. For a closer look at October's weather specifics, check out Rurrenabaque weather in October.
December weather tends to be slightly warmer than November, with average temperatures ranging from a minimum of 21°C (70°F) to a maximum of 35°C (96°F) compared to November's milder range of 18°C (65°F) to 38°C (102°F). Despite this increase in warmth, December experiences significantly higher levels of precipitation, totaling 425 mm (16.7 in) over 25 days, while November sees only 229 mm (9.0 in) across 19 days. Additionally, December is marked by higher humidity levels at 91%, compared to November's 82%, making the weather feel even more tropical. For more detailed information on November's climate, visit Rurrenabaque weather in November.
In December, Rurrenabaque experiences a significant increase in humidity and precipitation, making it one of the wettest months of the year. With frequent rain showers and damp conditions, the lush landscape thrives, providing breathtaking views that stand in stark contrast to the drier months. The temperatures remain warm, averaging a comfortable 26°C (79°F), but the humidity can feel quite intense, often reaching around 91%. This dynamic weather pattern not only invigorates the local flora and fauna but also enhances the unique beauty of the region. For those interested in understanding more about the broader climate trends, check out Rurrenabaque Climate.