December Weather in Vallegrande, Bolivia

Last updated: August 21, 2025

December in Vallegrande, Bolivia presents a dynamic weather pattern, characterized by a maximum temperature that peaks at 30°C (86°F), while the average hovers around a comfortable 19°C (66°F). Nighttime temperatures can dip to a minimum of 10°C (51°F), making for pleasant evenings. This month also ushers in considerable precipitation, accumulating to 277 mm (10.9 in) over the course of 24 wet days, contributing to the region's lush landscape. Humidity levels remain high at 83%, adding to the vibrant atmosphere of this beautiful location during the festive season.

December Temperature in Vallegrande

In December, Vallegrande, Bolivia, experiences a delightful climate that signals the onset of summer in the Southern Hemisphere. With minimum temperatures hovering around 10°C (51°F) and maximums reaching a pleasant 30°C (86°F), the month stands out with its consistent average of 19°C (66°F). This stable warmth mirrors the trends seen in the preceding months, where temperatures gradually rise, building a comfortable atmosphere perfect for exploring the vibrant landscapes. As the year wraps up, December's climate invites both locals and visitors to bask in the sun, making it a prime time for outdoor activities and celebrations.

December Weather in Vallegrande: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Vallegrande, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vallegrande, December typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec666565625956555762656666
Data source: Temperature data for Vallegrande generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Vallegrande

December in Vallegrande, Bolivia, marks a dramatic peak in precipitation, with an impressive 277 mm (10.9 in) of rainfall that occurs over 24 days. This makes December the wettest month of the year, surpassing the totals of previous months and contributing to the bustling atmosphere as the region transitions into the rainy season. The sharp increase in rainfall, compared to just 70 mm (2.8 in) in May, highlights the stark contrast in climate throughout the year. As the heavy rains saturate the soil, they not only nourish the lush landscape but also set the stage for vibrant flora to flourish in the months ahead, reinforcing Vallegrande's dynamic relationship with its environment.

December Precipitation Trends in Vallegrande

The chart displays monthly precipitation patterns in Vallegrande, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Vallegrande, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec2102161861027053446358126155277
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Vallegrande

In December, Vallegrande experiences a notable spike in humidity, returning to 83%, mirroring the moisture-rich conditions of January. This uptick is part of a pronounced seasonal trend, where humidity peaks during the warmer months, November also showing a significant level at 70%. As the year progresses, a sharp decline is observed from June to August, when humidity plummets to a striking low of 32% in August. This rhythmic fluctuation indicates a distinct annual pattern, with the return to high humidity in December signaling the onset of a more humid climate, making the transition into the New Year feel refreshingly moist.

December Average Humidity in Vallegrande

This chart illustrates the average monthly humidity levels in Vallegrande, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Vallegrande is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%78%78%80%75%55%39%33%36%40%70%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Vallegrande

In December, Vallegrande experiences a UV Index of 17, categorized as extreme, which means residents and visitors should be exceptionally cautious under the sun. This peak in December reflects a consistent trend throughout the year, where the UV Index remains notably high from January through November, fluctuating between 14 and 17. Most months, particularly from October to December, demand a quick retreat from the sun after just 10 minutes of exposure to avoid painful burns. As we transition from the cooler months of June and July—which see a slightly lower UV Index of 9—the intensity ramps back up, reiterating the importance of sun protection year-round. For more information on the UV Index in Vallegrande, visit Vallegrande UV Index.

Maximum UV Index Levels in Vallegrande for December

The chart shows the monthly maximum UV Index (UVI) for Vallegrande in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Vallegrande typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1616151411991114161717
Data source: Vallegrande December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

December Sunshine in Vallegrande

In Vallegrande, Bolivia, December ushers in a delightful dose of sunshine, with an impressive 266 hours of sunlight that contributes to the region's vibrant atmosphere. As the year winds down, the trend reveals a remarkable consistency in daylight, particularly from the peak of 296 hours in March cascading into December's bright days. Although sunlight hours dip slightly from November's 278, the overall pattern depicts a resilient sunny disposition throughout the year, with each month boasting over 244 hours. This characteristic radiance not only enhances the scenic beauty of Vallegrande but also invites locals and visitors alike to revel in various outdoor activities, basking in the warmth of its radiant sun.

Monthly Sunshine Duration in Vallegrande: December Highlighted

The December sunshine duration represents the total number of hours Vallegrande experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec255h253h296h271h259h244h264h278h283h292h278h266h
Data source: Vallegrande December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Vallegrande During December

In Vallegrande, Bolivia, the chances of sunny weather in December are quite low, standing at just 10%. This trend of limited sunshine continues from November, which also sees a mere 10% likelihood. Observing the year overall, a notable shift occurs in the sunnier months, with July boasting the highest chance at 59%, showcasing a stark contrast to the gloomier December skies. While December’s prospects for sunny weather are dim, the season gradually shifts towards drier and brighter conditions as the year progresses, making the mid-year months particularly appealing for sun-seekers.

Percentage of Sunny Days in December in Vallegrande

The chart illustrates the percentage of sunny days in Vallegrande throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Vallegrande experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec15%21%23%21%33%30%59%56%42%35%10%11%
Data source: Vallegrande December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Vallegrande in December

In Vallegrande, Bolivia, daylight duration exhibits fascinating trends throughout the year. Beginning in January, residents enjoy 13 hours of sunlight, which gradually decreases as the year progresses, reaching a low of 11 hours from April through September. This consistent decrease during the mid-year months creates a cozy, intimate atmosphere as nights take over. However, as the year draws to a close, daylight durations rebound, with December once again basking in 13 hours of glorious sunlight. This cyclical pattern reflects a vibrant interplay between light and dark, inviting both locals and visitors to appreciate the unique rhythm of Vallegrande’s seasons.

Average Daylight Hours in Vallegrande for December

The chart illustrates the variation in daylight duration in Vallegrande throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 4m12h 40m12h 9m11h 38m11h 13m11h 1m11h 7m11h 29m11h 59m12h 31m12h 58m13h 12m
Data source: Vallegrande daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Vallegrande

As December settles in Vallegrande, Bolivia, the average wind speed gently winds down to 1.4 m/s (3 mph), marking one of the calmest months of the year. This decline, compared to the notably brisker months of August and September when winds reached up to 2.3 m/s (5 mph), reflects a seasonal transition and invites a sense of tranquility. The wind speeds slowly rose from a low of 1.4 m/s in February to their peak during the mid-year months, particularly June and July, both recording 1.9 m/s (4 mph). However, by December, the whispers of the wind bring a serene stillness, reminding us of the natural ebb and flow characteristic of Vallegrande's unique climate.

Average December Wind Speed in Vallegrande

The chart displays monthly wind speed patterns in Vallegrande, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.71.41.51.61.81.91.92.02.32.11.61.4 m/s
Data source: Vallegrande December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Vallegrande Compares to Other Months

Weather in Vallegrande varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Vallegrande, focusing on differences in temperature, rainfall, humidity, and UV levels.

In December, Vallegrande experiences slightly warmer temperatures, with a minimum of 10°C (51°F) and an average of 19°C (66°F), reaching up to a maximum of 30°C (86°F). The month sees considerable rainfall, with 277 mm (10.9 in) spread over 24 days and humidity consistently high at 83%. In contrast, January offers a marginally higher minimum temperature of 11°C (52°F) and maintains the same average and maximum temperatures as December. However, it experiences less precipitation, with 210 mm (8.3 in) over 17 days, keeping the humidity at the same level of 83%. For more detailed information, you can visit Vallegrande weather in January.

In December, Vallegrande experiences a wider temperature range, with minimums at 10°C (51°F) and maximums reaching 30°C (86°F). The month is characterized by a high level of precipitation, totaling 277 mm (10.9 in) over 24 days, accompanied by humidity levels of 83%. In contrast, February features slightly warmer minimum temperatures at 11°C (52°F) and slightly cooler maximums at 29°C (84°F). Precipitation decreases to 216 mm (8.5 in) over 20 days, and humidity lowers to 77%. For more details on February weather, visit Vallegrande weather in February.

December and March exhibit distinct weather characteristics, although their temperatures are quite similar. In December, the minimum temperature reaches around 10°C (51°F) with an average of 19°C (66°F) and a maximum of 30°C (86°F). This month experiences higher precipitation, accumulating 277 mm (10.9 in) over 24 days, contributing to a humid atmosphere with an average humidity of 83%. In contrast, March features slightly cooler temperatures, with a minimum of 9°C (49°F), an average of 18°C (65°F), and a maximum of 29°C (84°F). Precipitation is also lower, totaling 186 mm (7.3 in) across 21 days, resulting in a slightly drier climate with 78% humidity. For more details about the specific weather conditions in March, you can visit Vallegrande weather in March.

When comparing December and April weather in Vallegrande, December tends to be warmer with average temperatures ranging from a minimum of 10°C (51°F) to a maximum of 30°C (86°F). In contrast, April experiences slightly cooler temperatures, with averages from a minimum of 6°C (43°F) to a maximum of 27°C (81°F). December sees a higher amount of precipitation, totaling 277 mm (10.9 in) over 24 days, whereas April has significantly less rainfall at 102 mm (4.0 in) over 14 days. Humidity remains relatively similar in both months, with December at 83% and April at 80%. For more detailed information on the weather in April, you can visit Vallegrande weather in April.

In December, Vallegrande experiences warmer temperatures with a minimum of 10°C (51°F) and an average of 19°C (66°F), peaking at a maximum of 30°C (86°F). The month is also characterized by high humidity at 83% and significant precipitation, averaging 277 mm (10.9 in) over 24 rainy days. In contrast, May brings cooler conditions with temperatures ranging from a minimum of 1°C (33°F) to an average of 15°C (59°F) and a maximum of 26°C (80°F). The weather in May is drier, featuring only 70 mm (2.8 in) of rain over 12 days and slightly lower humidity at 75%. For a closer look at Vallegrande's conditions in May, you can visit Vallegrande weather in May.

December and June offer contrasting weather patterns in Vallegrande. In December, temperatures range from a mild 10°C (51°F) at night to a warm 30°C (86°F) during the day, with an average of 19°C (66°F). The month is also quite wet, with 277 mm (10.9 in) of precipitation over 24 days and high humidity at 83%. In stark contrast, June experiences cooler temperatures, with a range from 0°C (33°F) to a maximum of 26°C (79°F) and an average of 14°C (57°F). This month is significantly drier, receiving only 53 mm (2.1 in) of rain across 10 days, resulting in a lower humidity of 55%. For more detailed insights, check out Vallegrande weather in June.

December and July present two distinct weather profiles in Vallegrande. In December, temperatures range from a minimum of 10°C (51°F) to a maximum of 30°C (86°F), with an average of 19°C (66°F). This month experiences significant rainfall, with 277 mm (10.9 in) of precipitation over 24 days, contributing to high humidity levels at 83%. In contrast, July features much cooler temperatures, where the minimum drops to -2°C (28°F), with an average of 13°C (56°F) and a maximum of 25°C (78°F). Rainfall is minimal in July, with only 44 mm (1.7 in) over 8 days and lower humidity at 39%. For a closer look at July's weather specifics, visit Vallegrande weather in July.

When comparing December and August weather, December tends to be much warmer and wetter. With minimum temperatures around 10°C (51°F) and average highs reaching 30°C (86°F), the month is characterized by a high humidity level of 83%. In contrast, August experiences cooler temperatures, with a minimum of 0°C (31°F) and average highs of 28°C (83°F). The drier August boasts significantly less precipitation, averaging just 63 mm (2.5 inches) over 9 days, compared to December’s 277 mm (10.9 inches) over 24 days. For more details on August weather, you can visit Vallegrande weather in August.

When comparing the weather between December and September, significant differences emerge. December boasts a range of temperatures from a minimum of 10°C (51°F) to a maximum of 30°C (86°F), with an average of 19°C (66°F). It is also notably wetter, with 277 mm (10.9 in) of precipitation over 24 days and a high humidity level of 83%. In contrast, September experiences milder temperatures, ranging from a chilly minimum of 3°C (38°F) to a comfortable maximum of 29°C (85°F), averaging 17°C (62°F). Rainfall is considerably lower in September, totaling just 58 mm (2.3 in) over 11 days, and the humidity is significantly reduced at 36%. For those interested in more specifics, see Vallegrande weather in September.

In comparing the weather between October and December, December exhibits a warmer overall temperature range with a minimum of 10°C (51°F), an average of 19°C (66°F), and a maximum that peaks at 30°C (86°F). While October mirrors the maximum temperature of 30°C, it starts off slightly cooler with a minimum of 8°C (47°F) and a similar average of 18°C (65°F). However, December experiences significantly higher precipitation at 277 mm (10.9 in) over 24 days, contributing to a humidity level of 83%. In contrast, October sees notably less rain at 126 mm (5.0 in) across 15 days and a much lower humidity of 40%. For more insights, you can visit Vallegrande weather in October.

December weather in Vallegrande shows a slight increase in maximum temperatures compared to November, with averages hovering around 30°C (86°F) versus November's peak of 29°C (84°F). Both months have similar minimum and average temperatures, remaining relatively consistent at 10°C (50°F) and 19°C (66°F), respectively. However, December experiences a significant increase in precipitation, with 277 mm (10.9 in) falling over 24 days, compared to November's 155 mm (6.1 in) over 18 days. Additionally, humidity levels rise in December to 83%, compared to November's 70%. For more details on November weather, check out Vallegrande weather in November.

Compare Vallegrande's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Vallegrande

In December, Vallegrande experiences a notable shift in weather, characterized by a warm climate and a significant increase in humidity. Unlike the cooler months, this month brings an average temperature that comfortably reaches 19°C (66°F), making outdoor activities more enjoyable. However, the landscape transforms with frequent rainfall, as this month typically sees the most precipitation of the year, contributing to lush greenery. With 24 days of rain, visitors should be prepared for wet conditions, setting December apart as a vibrant and dynamic time in Vallegrande. For a detailed overview of the seasonal contrasts, explore the full picture at Vallegrande Climate.