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December Weather in Viacha, Bolivia

Last updated: August 22, 2025

In Viacha, Bolivia, the average temperature for December hovers around 10°C (51°F), offering a mild yet refreshing climate. Expect minimum temperatures to dip to -1°C (30°F) and maximums rising to 23°C (73°F). With an average precipitation of 144 mm (5.7 in) spread across 24 days, it's a month where you might want to keep an umbrella handy. Additionally, the average humidity lingers at a high 87%, adding to the overall atmosphere of Viacha during this time.

December Temperature in Viacha

In December in Viacha, the average temperature is 10°C (51°F), with maximums reaching up to 23°C (73°F) and minimums dropping as low as -1°C (30°F). This makes it a great time for travelers to experience a pleasant mix of mild days and cool evenings.

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

The chart illustrates December temperature patterns in Viacha, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Viacha, December typically has an average temperature of 10°C (51°F), with highs reaching up to 23°C (73°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec494948484644444547495150
Data source: Temperature data for Viacha 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 Viacha

In Viacha in December, the precipitation amount is 144 mm (5.7 in) spread over a duration of 24 days.

December Precipitation Trends in Viacha

The chart displays monthly precipitation patterns in Viacha, 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 Viacha, December typically receives around 144 mm (5.7 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec1051611325624131415356568144
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Viacha

In Viacha in December humidity is 87%. With an average temperature of 10°C (51°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities uncomfortable and sticky, and often requiring frequent breaks to stay hydrated and cool.

December Average Humidity in Viacha

This chart illustrates the average monthly humidity levels in Viacha, 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 Viacha is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%91%91%89%87%79%64%62%70%75%84%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Viacha

In Viacha in December, the maximum UV index reaches 19, which corresponds to an extreme exposure category. With a time to burn of just 10 minutes, it’s essential to take precautions. For detailed information, you can check the hourly UV index in Viacha.

Maximum UV Index Levels in Viacha for December

The chart shows the monthly maximum UV Index (UVI) for Viacha 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 Viacha typically reaches 19, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec191918161310111416181919
Data source: Viacha 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.

How December Weather in Viacha Compares to Other Months

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

This table compares monthly weather conditions in Viacha, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)105 mm (4.1 inches)91%extreme
February Weather10°C (49°F)161 mm (6.3 inches)91%extreme
March Weather9°C (49°F)132 mm (5.2 inches)91%extreme
April Weather9°C (48°F)56 mm (2.2 inches)88%extreme
May Weather8°C (46°F)24 mm (0.9 inches)87%extreme
June Weather6°C (44°F)13 mm (0.5 inches)79%very high
July Weather6°C (44°F)14 mm (0.5 inches)64%extreme
August Weather7°C (46°F)15 mm (0.6 inches)62%extreme
September Weather9°C (48°F)35 mm (1.4 inches)70%extreme
October Weather10°C (49°F)65 mm (2.6 inches)75%extreme
November Weather11°C (52°F)68 mm (2.7 inches)84%extreme
December Weather10°C (51°F)144 mm (5.7 inches)87%extreme

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