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December Weather in San Carlos, Bolivia

Last updated: August 22, 2025

In December, the average temperature in San Carlos, Bolivia hovers around 25°C (78°F). You'll experience variable conditions, with a minimum of 19°C (66°F) and maxing out at 35°C (96°F). Expect significant precipitation, averaging 245 mm (9.7 in) spread over 22 days, paired with a humidity level of approximately 83%. Get ready for a warm and wet month!

December Temperature in San Carlos

In December in San Carlos, the average temperature is 25°C (78°F). Maximums can reach 35°C (96°F) and minimums can be as low as 19°C (66°F). This pleasant temperature range makes San Carlos an ideal destination for travelers looking to enjoy a comfortable climate.

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

The chart illustrates December temperature patterns in San Carlos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Carlos, December typically has an average temperature of 25°C (78°F), with highs reaching up to 35°C (96°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec787777757067687176787878
Data source: Temperature data for San Carlos 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 Carlos

In San Carlos in December, the total precipitation amount is 245 mm (9.7 in) over the course of 22 days.

December Precipitation Trends in San Carlos

The chart displays monthly precipitation patterns in San Carlos, 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 Carlos, December typically receives around 245 mm (9.7 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec2151851181059675585737112184245
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Carlos

In San Carlos in December, humidity is 83%. With an average temperature of 25°C (78°F), this humidity feels like stepping into a warm, damp embrace, making travel sticky and exhausting, as each movement can leave you drenched in sweat.

December Average Humidity in San Carlos

This chart illustrates the average monthly humidity levels in San Carlos, 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 Carlos is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%86%86%79%64%47%40%39%39%70%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Carlos

In San Carlos 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 Carlos.

Maximum UV Index Levels in San Carlos for December

The chart shows the monthly maximum UV Index (UVI) for San Carlos 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 Carlos typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1515141310891013151616
Data source: San Carlos 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 Carlos Compares to Other Months

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

This table compares monthly weather conditions in San Carlos, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)215 mm (8.4 inches)86%extreme
February Weather25°C (78°F)185 mm (7.3 inches)84%extreme
March Weather25°C (77°F)118 mm (4.6 inches)85%extreme
April Weather24°C (75°F)105 mm (4.1 inches)86%extreme
May Weather21°C (71°F)96 mm (3.8 inches)79%very high
June Weather20°C (68°F)75 mm (3.0 inches)64%very high
July Weather20°C (68°F)58 mm (2.3 inches)47%very high
August Weather22°C (71°F)57 mm (2.3 inches)40%very high
September Weather25°C (77°F)37 mm (1.5 inches)39%extreme
October Weather26°C (78°F)112 mm (4.4 inches)39%extreme
November Weather26°C (78°F)184 mm (7.2 inches)70%extreme
December Weather25°C (78°F)245 mm (9.7 inches)83%extreme

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