January Weather in San Borja, Bolivia

Last updated: August 22, 2025

In January, the average temperature in San Borja, Bolivia reaches a warm 27°C (81°F). Expect a comfortable minimum of 18°C (65°F), while highs can soar to 36°C (98°F). Be prepared for considerable rainfall, with an average precipitation of 279 mm (11.0 in) spread across 22 days. Additionally, the humidity tends to hover around a high 90%, adding to the sultry atmosphere.

January Temperature in San Borja

In January in San Borja, the average temperature is 27°C (81°F), with maximums reaching 36°C (98°F) and minimums dropping to as low as 18°C (65°F). This makes it an ideal time for travelers seeking warm weather and plenty of sunshine.

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

The chart illustrates January 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, January typically has an average temperature of 27°C (81°F), with highs reaching up to 36°C (98°F) and lows dropping to around 18°C (65°F).

Data source: Temperature data for San Borja generated using information from the Copernicus Climate Change Service.

January Precipitation in San Borja

In San Borja in January, the precipitation amount is 279 mm (11.0 in) over the course of 22 days.

January Precipitation Trends in San Borja

The chart displays monthly precipitation patterns in San Borja, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In San Borja, January typically receives around 279 mm (11.0 inches) of precipitation spread over approximately 22 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in San Borja

In San Borja in January, humidity is 90%. With an average temperature of 27°C (81°F), this humidity feels like walking through a heavy fog, making outdoor activities uncomfortable and exhausting, and leaving travelers drenched in sweat within minutes.

January Average Humidity in San Borja

This chart illustrates the average monthly humidity levels in San Borja, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in San Borja is approximately 90%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in San Borja

In San Borja in January, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in San Borja.

Maximum UV Index Levels in San Borja for January

The chart shows the monthly maximum UV Index (UVI) for San Borja in January, 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 January, the maximum UV index in San Borja typically reaches 15, which falls under the extreme exposure category.

Data source: San Borja January 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 January 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 January’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 January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (81°F)	279 mm (11.0 inches)	90%	extreme
February Weather	27°C (80°F)	286 mm (11.3 inches)	87%	extreme
March Weather	27°C (80°F)	325 mm (12.8 inches)	88%	extreme
April Weather	26°C (79°F)	189 mm (7.5 inches)	86%	extreme
May Weather	24°C (76°F)	79 mm (3.1 inches)	83%	extreme
June Weather	23°C (73°F)	59 mm (2.3 inches)	69%	very high
July Weather	23°C (74°F)	44 mm (1.7 inches)	50%	very high
August Weather	25°C (77°F)	63 mm (2.5 inches)	43%	very high
September Weather	28°C (82°F)	79 mm (3.1 inches)	43%	extreme
October Weather	29°C (84°F)	148 mm (5.8 inches)	45%	extreme
November Weather	28°C (82°F)	229 mm (9.0 inches)	71%	extreme
December Weather	27°C (80°F)	428 mm (16.9 inches)	88%	extreme