Last updated: August 21, 2025
In December, Tiahuanaco, Bolivia, experiences a unique blend of weather conditions characteristic of its high-altitude location. Daytime temperatures can reach a pleasant maximum of 21°C (69°F), while evenings cool down to an average of 11°C (52°F) and can dip to a minimum of 4°C (40°F). This month is notably wet, with total precipitation amounts reaching 219 mm (8.6 in) spread over 26 days, leading to an humidity level of 87% that envelops the area in a damp embrace. Visitors should brace for frequent rain, making it an essential time to explore the rich cultural heritage of this ancient site while navigating the vibrant, albeit soggy, landscapes.
In December, Tiahuanaco, Bolivia experiences mild and pleasant temperatures, with the minimum dipping to 4°C (40°F) and the maximum reaching 21°C (69°F). This month marks a subtle transition from the cooler months, as the average temperature rises to 11°C (52°F), providing a refreshing contrast to the chillier winter months preceding it. The overall trend reflects a gradual warming as the year draws to a close, making December an inviting time for visitors to explore the rich cultural heritage of this ancient city, all while enjoying its increasingly comfortable climate.
In December, Tiahuanaco experiences a significant uptick in precipitation, with 219 mm (8.6 in) of rain recorded over 26 days. This marks a continuation of the wet season that begins in November, which saw a smaller amount of 98 mm (3.9 in) across 18 days. The trend indicates a gradual increase in rainfall from the dry months of May through October, culminating in the peak wet months of January and February, where averages soar to 222 mm (8.7 in) and 277 mm (10.9 in), respectively. This consistent precipitation not only nourishes the Andean landscape but also underscores the region's vital water cycle, as Tiahuanaco transitions from its relatively dry winter months into a lively and verdant summer.
In Tiahuanaco, Bolivia, December marks a notable transition in humidity as the year comes to a close. At 87%, the humidity is relatively high, continuing the trend established in the earlier months of the year, especially from January to March, when it consistently sits at a steamy 91%. Following these peak months, humidity gradually declines until July, reaching a low of 64%. However, as the festive month of December arrives, the humidity rises again, hinting at the onset of the rainy season. This cyclical pattern underscores Tiahuanaco's climate, characterized by its persistent moisture and a slight dip mid-year, making it a unique region in Bolivia's diverse weather landscape.
In December, Tiahuanaco, Bolivia, maintains its reputation for intense sun exposure with a UV Index of 18, categorizing it as extreme. This trend of extreme UV levels is consistent throughout the year, particularly noticeable from January to March, where values peak at 19 in February and hover around 16-18 for the remaining months. Even as the year draws to a close, the 10-minute burn time remains a stark reminder of the need for careful sun protection. With such a pronounced trend in high UV exposure, it's essential to stay vigilant and take precautions when venturing outdoors during this period. For more details, you can check the Tiahuanaco UV Index.
UV Risk Categories
Tiahuanaco, Bolivia, basks in a generous splash of sunshine throughout the year, with December offering a delightful 311 hours of radiant daylight. This month serves as a beautiful transition, following the peak sunshine months of August and October, where hours exceeded 340. As the year progresses, December stands as a reminder that while days shorten, they still deliver substantial brightness. The pattern of increasing sunlight from January to May, with a peak in May's impressive 339 hours, highlights the region's ability to capture abundant sunshine and contrasts with the slight dip in the later months. Overall, December's ample sunshine ensures that Tiahuanaco remains a captivating destination for those seeking warmth and light, even as winter approaches.
When considering the likelihood of sunny weather in Tiahuanaco, Bolivia, December tends to be on the lower end of the scale, with a mere 7% chance of sun. This follows a noticeable decline from the more favorable conditions leading up to it, where chances peak in the middle of the year with 81% in July and 79% in August. The trend suggests that as the year progresses from the vibrant and sun-drenched months of mid-summer, the likelihood of clear skies diminishes sharply towards the end of the year, culminating in December's relatively gloomy outlook. Visitors should be prepared for overcast skies and potentially wet conditions, making it a month where the sun is a rare sight in this historically rich region.
In Tiahuanaco, Bolivia, the daylight duration showcases a notable trend as the year progresses. Starting with a consistent 12 hours in January through March, daylight begins to gradually decline in April, settling at 11 hours from May to August. This pattern shifts in September, when daylight extends back to 12 hours, before reaching its peak in December with an impressive 13 hours of sunlight. This gradual increase not only highlights the changing seasons but also offers longer days as the year closes, inviting residents and visitors alike to embrace the warmth and vibrancy of the Bolivian sun during the festive December month.
In Tiahuanaco, Bolivia, the December breeze brings a gentle reminder of the region's typical climate, with an average wind speed of 2.1 m/s (5 mph). As the year winds down, it's interesting to note that wind speeds have generally increased from the earlier months, peaking in the warmer winds of August (2.8 m/s). Following this peak, the wind speeds show a slight decline towards the end of the year, settling at levels comparable to those found in January and February. This trend highlights a transition from the lively summer gusts to the calmer, more stable winds of the approaching rainy season, creating a serene atmosphere perfect for both exploration and reflection in this ancient landscape.
Weather in Tiahuanaco varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Tiahuanaco, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January exhibit relatively similar weather patterns, though January tends to be slightly cooler. In December, temperatures range from a minimum of 4°C (40°F) to a maximum of 21°C (69°F), with an average temperature of 11°C (52°F). In contrast, January sees a slight dip with minimum temperatures at 3°C (38°F) and a maximum of 18°C (65°F), yielding an average of 10°C (51°F). Precipitation levels are also comparable, with December receiving 219 mm (8.6 in) over 26 days, while January has 222 mm (8.7 in) spread across 23 days, accompanied by increased humidity in January at 91% compared to 87% in December. For more detailed information, you can check Tiahuanaco weather in January.
December and February exhibit some similarities in weather, but notable differences arise as well. In both months, the minimum temperatures remain quite close, averaging around 4°C (40°F), but December tends to be warmer overall with an average of 11°C (52°F) compared to February's 10°C (51°F). The maximum temperatures also decrease slightly from December's 21°C (69°F) to February’s 18°C (65°F).
Precipitation levels are higher in February, with 277 mm (10.9 in) of rainfall compared to December's 219 mm (8.6 in), despite both months experiencing rain on about 26 days. Humidity levels also rise in February, reaching 91% compared to December's 87%. This could contribute to a slightly more humid feel in February, influencing the overall weather experience. For more detailed insights, you can explore Tiahuanaco weather in February.
In December, temperatures range from a minimum of 4°C (40°F) to a maximum of 21°C (69°F), with an average of 11°C (52°F). The month experiences significant precipitation, totaling 219 mm (8.6 in) over approximately 26 days, accompanied by high humidity levels at 87%. In contrast, March sees slightly cooler temperatures, with a minimum of 3°C (37°F), an average of 10°C (50°F), and a maximum of 16°C (62°F). Precipitation increases to 238 mm (9.4 in) spread across 30 days and humidity rises to 91%. Overall, while both months are characterized by wet weather and high humidity, December boasts warmer maximum temperatures, whereas March brings a bit more rainfall and slightly cooler conditions. For more detailed insights on weather patterns, check out Tiahuanaco weather in March.
When comparing the weather in December and April, December tends to be slightly warmer, with average temperatures ranging from a minimum of 4°C (40°F) to a maximum of 21°C (69°F). In contrast, April's temperatures are a bit cooler, with averages between 1°C (34°F) and 18°C (64°F). Additionally, December experiences much higher precipitation levels, totaling 219 mm (8.6 in) over 26 days, while April sees significantly less rainfall at 92 mm (3.6 in) across 17 days. Both months have relatively high humidity, with December at 87% and April slightly higher at 88%. For a more detailed look at April's weather, you can visit Tiahuanaco weather in April.
December weather presents milder temperatures with averages ranging from 4°C (40°F) to a maximum of 21°C (69°F), while May is cooler, averaging between 1°C (34°F) and 17°C (62°F). December experiences significantly higher precipitation, with 219 mm (8.6 in) over 26 days, compared to May's relatively dry conditions with only 31 mm (1.2 in) across just 7 days. Despite both months having a consistent humidity level of 87%, the overall experience differs greatly, with December being wetter and warmer. For more specific insights, you can check out Tiahuanaco weather in May.
When comparing the weather in December and June, we see notable contrasts. December usually experiences milder temperatures, with averages around 11°C (52°F) and occasional highs reaching 21°C (69°F), while June is cooler, with average temperatures around 8°C (47°F) and a maximum of 17°C (62°F). Additionally, December is characterized by significantly higher precipitation levels, totaling 219 mm (8.6 in) over 26 days, compared to June's much drier spell of only 13 mm (0.5 in) across just 3 days. Humidity is also higher in December at 87%, while June maintains a lower level at 79%. For more details, check out Tiahuanaco weather in June.
When comparing the weather in December and July, it’s clear that December tends to be milder and wetter. December features temperatures ranging from a minimum of 4°C (40°F) to a maximum of 21°C (69°F), with an average of 11°C (52°F) and high humidity at 87%. In contrast, July experiences cooler temperatures, with a minimum of -2°C (29°F) and a maximum of only 16°C (62°F), averaging around 8°C (47°F). Additionally, July is significantly drier, receiving only 13 mm (0.5 in) of precipitation over just three days, compared to December’s 219 mm (8.6 in) across 26 days. For more specifics on July weather, refer to Tiahuanaco weather in July.
The weather in December is notably milder compared to August, with average temperatures ranging from a minimum of 4°C (40°F) to a maximum of 21°C (69°F). In contrast, August experiences cooler conditions, with temperatures dipping as low as -1°C (31°F) and peaking at 18°C (65°F). December is also considerably wetter, receiving 219 mm (8.6 in) of precipitation over 26 days, while August sees much drier conditions with only 11 mm (0.4 in) of rain across just 3 days. Furthermore, humidity levels in December are higher at 87%, compared to a more comfortable 62% in August. For more detailed weather information, check Tiahuanaco weather in August.
In comparing the weather between December and September, December tends to be milder with average temperatures ranging from a minimum of 4°C (40°F) to a maximum of 21°C (69°F), while September's temperatures span from a minimum of 1°C (33°F) to a maximum of 20°C (68°F). December experiences significantly higher precipitation, with 219 mm (8.6 in) falling over 26 days compared to September's much drier climate, which has only 40 mm (1.6 in) over 9 days. Additionally, the humidity in December is notably higher at 87%, compared to September's 70%. For a more detailed look at September weather, you can explore Tiahuanaco weather in September.
When comparing the weather in December and October, we see that December is generally warmer with maximum temperatures reaching up to 21°C (69°F), while October peaks at 20°C (68°F). Both months have similar average temperatures of around 11°C (52°F). However, December experiences significantly more precipitation, receiving 219 mm (8.6 in) over 26 days, compared to October's 82 mm (3.2 in) spread over just 14 days. Additionally, humidity is higher in December at 87%, compared to October's 75%. For a detailed overview of October weather, you can refer to Tiahuanaco weather in October.
In comparing the weather between November and December, we observe that December maintains a similar temperature range with a minimum of 4°C (40°F) and a maximum of 21°C (69°F), but the average temperature slightly drops to 11°C (52°F) from November's 12°C (54°F). Notably, December sees a significant increase in precipitation, receiving 219 mm (8.6 in) over 26 days, compared to November's 98 mm (3.9 in) across 18 days. Humidity levels also rise slightly in December, reaching 87% from November's 84%. For further details about the weather in November, you can check Tiahuanaco weather in November.
As December arrives in Tiahuanaco, the weather shifts notably from the previous months, showcasing a blend of warmer temperatures and increased rainfall. With maximum daytime warmth reaching around 21°C, the afternoons offer a pleasant respite, contrasted by cooler evenings that drop to about 4°C. This month is characterized by the highest precipitation levels, resulting in nearly daily showers that contribute to the region's lush landscapes. The humidity hovers at a notable 87%, creating a damp environment that sets December apart from the typically drier and cooler months of the year. For more detailed insights about the year-round weather patterns, explore the comprehensive page on Tiahuanaco Climate.