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December Weather in San Matias, Bolivia

Last updated: August 22, 2025

In December, the average temperature in San Matias, Bolivia hovers around 28°C (83°F), creating a warm and inviting atmosphere. Expect minimum temperatures of 20°C (68°F) and highs reaching up to 38°C (100°F). Be prepared for some rain, as the area experiences an average precipitation of 165 mm (6.5 in) over 20 days. With an average humidity of 85%, the air feels quite tropical, making it essential to stay hydrated and cool during your visit!

December Temperature in San Matias

In December in San Matias, the average temperature is 28°C (83°F). Maximums can reach 38°C (100°F), while minimums can drop to as low as 20°C (68°F). This makes San Matias an ideal destination for travelers seeking warm weather and sunny adventures.

December Weather in San Matias: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in San Matias, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Matias, December typically has an average temperature of 28°C (83°F), with highs reaching up to 38°C (100°F) and lows dropping to around 20°C (68°F).
JanFebMarAprMayJunJulAugSepOctNovDec828181807675757985858382
Data source: Temperature data for San Matias 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 San Matias

In San Matias in December, the precipitation amount is 165 mm (6.5 in) over the course of 20 days.

December Precipitation Trends in San Matias

The chart displays monthly precipitation patterns in San Matias, 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 San Matias, December typically receives around 165 mm (6.5 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec15121917210847111151861147165
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Matias

In San Matias in December humidity is 85%. With an average temperature of 28°C (83°F), this humidity feels like an enveloping blanket, making traveling quite sticky and exhausting, as the air thickens and makes every movement feel laborious.

December Average Humidity in San Matias

This chart illustrates the average monthly humidity levels in San Matias, 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 San Matias is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%88%87%82%69%52%43%35%35%67%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Matias

In San Matias in December, the maximum UV index is 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the Hourly UV Index in San Matias.

Maximum UV Index Levels in San Matias for December

The chart shows the monthly maximum UV Index (UVI) for San Matias 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 San Matias typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1616151310891111141516
Data source: San Matias 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 San Matias Compares to Other Months

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

This table compares monthly weather conditions in San Matias, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather28°C (82°F)151 mm (5.9 inches)87%extreme
February Weather27°C (81°F)219 mm (8.6 inches)86%extreme
March Weather27°C (81°F)172 mm (6.8 inches)88%extreme
April Weather27°C (80°F)108 mm (4.2 inches)87%extreme
May Weather25°C (77°F)47 mm (1.8 inches)82%very high
June Weather24°C (75°F)11 mm (0.4 inches)69%very high
July Weather24°C (75°F)1 mm (0.0 inches)52%very high
August Weather26°C (79°F)15 mm (0.6 inches)43%extreme
September Weather29°C (85°F)18 mm (0.7 inches)35%extreme
October Weather30°C (85°F)61 mm (2.4 inches)35%extreme
November Weather28°C (83°F)147 mm (5.8 inches)67%extreme
December Weather28°C (83°F)165 mm (6.5 inches)85%extreme

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