Last updated: August 22, 2025
In October, the average temperature in San Juan, Bolivia is a mild 16°C (60°F), perfect for outdoor activities. However, be prepared for temperature swings, as it can dip as low as 0°C (32°F) and reach highs of 31°C (88°F). Expect about 48 mm (1.9 in) of rain over 12 days, contributing to an average humidity of 67%. Embrace the blend of warmth and refreshing showers that this month offers!
In October in San Juan, the average temperature is 16°C (60°F), with maximums reaching 31°C (88°F) and minimums dropping as low as 0°C (32°F). This varied climate makes it ideal for travelers to pack both warm and light clothing for a comfortable stay.
In San Juan in October, the precipitation amount is 48 mm (1.9 in) over a span of 12 days.
In San Juan in October humidity is 67%. With an average temperature of 16°C (60°F), this humidity feels like a warm, damp embrace, making it necessary to stay hydrated and dress in breathable fabrics while exploring the local sights.
In San Juan in October, the maximum UV index reaches an alarming 17, which falls under the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to stay protected. For more details on the hourly UV index in San Juan, you can check Hourly UV Index in San Juan.
UV Risk Categories
Weather in San Juan varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in San Juan, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 15°C (60°F) | 98 mm (3.9 inches) | 87% | extreme |
| February Weather | 15°C (59°F) | 117 mm (4.6 inches) | 88% | extreme |
| March Weather | 14°C (58°F) | 93 mm (3.7 inches) | 89% | extreme |
| April Weather | 14°C (57°F) | 36 mm (1.4 inches) | 87% | extreme |
| May Weather | 13°C (55°F) | 11 mm (0.4 inches) | 82% | extreme |
| June Weather | 11°C (52°F) | 4 mm (0.2 inches) | 59% | very high |
| July Weather | 11°C (51°F) | 8 mm (0.3 inches) | 47% | very high |
| August Weather | 12°C (53°F) | 7 mm (0.3 inches) | 43% | extreme |
| September Weather | 14°C (58°F) | 28 mm (1.1 inches) | 60% | extreme |
| October Weather | 16°C (60°F) | 48 mm (1.9 inches) | 67% | extreme |
| November Weather | 16°C (61°F) | 60 mm (2.4 inches) | 71% | extreme |
| December Weather | 15°C (60°F) | 116 mm (4.6 inches) | 79% | extreme |