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December Weather in San Borja, Bolivia

Last updated: August 22, 2025

In December, the average temperature in San Borja, Bolivia hovers around a warm 27°C (80°F). Expect comfortable lows of 20°C (69°F) and occasional peaks reaching up to 36°C (97°F). Be prepared for frequent rain, as 428 mm (16.9 in) of precipitation falls over approximately 25 days. With an average humidity level of 88%, it's sure to feel quite tropical!

December Temperature in San Borja

In December in San Borja, the average temperature is 27°C (80°F). Maximums can reach 36°C (97°F), while minimums can be as low as 20°C (69°F). This pleasant climate makes San Borja an ideal destination for outdoor activities and exploration.

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

The chart illustrates December temperature patterns in San Borja, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Borja, December typically has an average temperature of 27°C (80°F), with highs reaching up to 36°C (97°F) and lows dropping to around 20°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec818080797673737782838280
Data source: Temperature data for San Borja 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 Borja

In San Borja in December, the precipitation amount is 428 mm (16.9 in) spread over 25 days.

December Precipitation Trends in San Borja

The chart displays monthly precipitation patterns in San Borja, 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 Borja, December typically receives around 428 mm (16.9 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec2792863251897959446379148229429
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Borja

In San Borja in December, humidity is 88%. With an average temperature of 27°C (80°F), this humidity feels like a warm, thick blanket enveloping you, making travel quite uncomfortable as you navigate the sticky air and sweat almost immediately.

December Average Humidity in San Borja

This chart illustrates the average monthly humidity levels in San Borja, 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 Borja is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%87%88%86%83%69%50%43%43%45%71%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Borja

In San Borja 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 Borja.

Maximum UV Index Levels in San Borja for December

The chart shows the monthly maximum UV Index (UVI) for San Borja 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 Borja typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1515151411991013151516
Data source: San Borja 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 Borja Compares to Other Months

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

This table compares monthly weather conditions in San Borja, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)279 mm (11.0 inches)90%extreme
February Weather27°C (80°F)286 mm (11.3 inches)87%extreme
March Weather27°C (80°F)325 mm (12.8 inches)88%extreme
April Weather26°C (79°F)189 mm (7.5 inches)86%extreme
May Weather24°C (76°F)79 mm (3.1 inches)83%extreme
June Weather23°C (73°F)59 mm (2.3 inches)69%very high
July Weather23°C (74°F)44 mm (1.7 inches)50%very high
August Weather25°C (77°F)63 mm (2.5 inches)43%very high
September Weather28°C (82°F)79 mm (3.1 inches)43%extreme
October Weather29°C (84°F)148 mm (5.8 inches)45%extreme
November Weather28°C (82°F)229 mm (9.0 inches)71%extreme
December Weather27°C (80°F)428 mm (16.9 inches)88%extreme

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