Last updated: August 22, 2025
In December, the average temperature in San Julian, Bolivia is a warm 27°C (80°F). Expect a minimum of 19°C (67°F) and occasionally soaring up to a maximum of 37°C (99°F). This month also sees 192 mm (7.6 in) of precipitation spread over 17 days, contributing to an average humidity level of 83%.
In December in San Julian, the average temperature is 27°C (80°F), with maximums reaching up to 37°C (99°F) and minimums dropping as low as 19°C (67°F). This warm climate makes it an ideal destination for enjoying outdoor activities and exploring local attractions.
In San Julian in December, the total precipitation amount is 192 mm (7.6 in) over the course of 17 days.
In San Julian in December, humidity is 83%. With an average temperature of 27°C (80°F), this humidity feels like a warm, steamy embrace, making traveling a bit uncomfortable as the air clings to your skin and renders even the slightest exertion more exhausting.
In San Julian 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 Julian.
UV Risk Categories
Weather in San Julian varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Julian, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 27°C (80°F) | 134 mm (5.3 inches) | 86% | extreme |
| February Weather | 26°C (80°F) | 115 mm (4.5 inches) | 84% | extreme |
| March Weather | 26°C (79°F) | 99 mm (3.9 inches) | 85% | extreme |
| April Weather | 25°C (77°F) | 73 mm (2.9 inches) | 86% | extreme |
| May Weather | 22°C (72°F) | 66 mm (2.6 inches) | 79% | very high |
| June Weather | 20°C (69°F) | 42 mm (1.7 inches) | 64% | very high |
| July Weather | 21°C (70°F) | 27 mm (1.0 inches) | 47% | very high |
| August Weather | 23°C (73°F) | 55 mm (2.1 inches) | 40% | very high |
| September Weather | 26°C (79°F) | 36 mm (1.4 inches) | 39% | extreme |
| October Weather | 27°C (81°F) | 93 mm (3.7 inches) | 39% | extreme |
| November Weather | 27°C (80°F) | 145 mm (5.7 inches) | 70% | extreme |
| December Weather | 27°C (80°F) | 192 mm (7.6 inches) | 83% | extreme |