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January Weather in San Julian, Bolivia

Last updated: August 22, 2025

In January, the average temperature in San Julian, Bolivia hovers around 27°C (80°F), offering a warm and inviting climate. However, be prepared for a range, as temperatures can dip to a minimum of 18°C (65°F) and soar to a maximum of 37°C (98°F). During this period, expect about 134 mm (5.3 in) of precipitation spread across 14 days, coupled with an average humidity of 86%, creating a lush and vibrant atmosphere.

January Temperature in San Julian

In January in San Julian, the average temperature is 27°C (80°F), with maximums reaching 37°C (98°F) and minimums dipping to as low as 18°C (65°F). This makes it an ideal time for travelers seeking warm weather and outdoor activities.

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

The chart illustrates January temperature patterns in San Julian, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Julian, January typically has an average temperature of 27°C (80°F), with highs reaching up to 37°C (98°F) and lows dropping to around 18°C (65°F).
JanFebMarAprMayJunJulAugSepOctNovDec807979777269707379818080
Data source: Temperature data for San Julian 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.

January Precipitation in San Julian

In San Julian in January, the total precipitation amount is 134 mm (5.3 in) over the course of 14 days.

January Precipitation Trends in San Julian

The chart displays monthly precipitation patterns in San Julian, 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 Julian, January typically receives around 134 mm (5.3 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec1341159973664227553693145192
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in San Julian

In San Julian in January, humidity is 86%. With an average temperature of 27°C (80°F), this humidity feels like a warm, sticky blanket enveloping you, making travel feel heavy and exhausting as you navigate the sultry air.

January Average Humidity in San Julian

This chart illustrates the average monthly humidity levels in San Julian, 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 Julian is approximately 86%, 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in San Julian

In San Julian 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 Julian.

Maximum UV Index Levels in San Julian for January

The chart shows the monthly maximum UV Index (UVI) for San Julian 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 Julian typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1515141310891012151616
Data source: San Julian 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 Julian Compares to Other Months

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

This table compares monthly weather conditions in San Julian, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (80°F)134 mm (5.3 inches)86%extreme
February Weather26°C (80°F)115 mm (4.5 inches)84%extreme
March Weather26°C (79°F)99 mm (3.9 inches)85%extreme
April Weather25°C (77°F)73 mm (2.9 inches)86%extreme
May Weather22°C (72°F)66 mm (2.6 inches)79%very high
June Weather20°C (69°F)42 mm (1.7 inches)64%very high
July Weather21°C (70°F)27 mm (1.0 inches)47%very high
August Weather23°C (73°F)55 mm (2.1 inches)40%very high
September Weather26°C (79°F)36 mm (1.4 inches)39%extreme
October Weather27°C (81°F)93 mm (3.7 inches)39%extreme
November Weather27°C (80°F)145 mm (5.7 inches)70%extreme
December Weather27°C (80°F)192 mm (7.6 inches)83%extreme

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