Last updated: August 27, 2025
In October, the average temperature in San Bartolome, Peru hovers around 12°C (55°F), bringing a delightful touch to the atmosphere. Temperatures can dip to a chilly 5°C (42°F) at times but may also peak at a comfortable 18°C (65°F). Be prepared for some rain, as 213 mm (8.4 in) of precipitation is likely across about 24 days, accompanied by an average humidity level of 68%.
In October in San Bartolome, the average temperature is 12°C (55°F). Maximum can reach 18°C (65°F) and minimum can be as low as 5°C (42°F). This weather makes it a great time for travelers to enjoy outdoor activities while packing layers for cooler moments.
In San Bartolome in October, the precipitation amount is 213 mm (8.4 in) over a span of 24 days.
In San Bartolome in October, humidity is 68%. With an average temperature of 12°C (55°F), this humidity feels like a damp chill that can make exploring the area quite uncomfortable, as the moisture in the air clings to your skin and can dampen your clothes, leading to an overall sense of briskness that might make you reconsider outdoor activities without the right layering.
In San Bartolome 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 Bartolome, you can check Hourly UV Index in San Bartolome.
UV Risk Categories
Weather in San Bartolome varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in San Bartolome, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 12°C (54°F) | 319 mm (12.6 inches) | 89% | extreme |
| February Weather | 12°C (54°F) | 326 mm (12.8 inches) | 89% | extreme |
| March Weather | 12°C (54°F) | 406 mm (16.0 inches) | 90% | extreme |
| April Weather | 12°C (54°F) | 251 mm (9.9 inches) | 89% | extreme |
| May Weather | 12°C (54°F) | 143 mm (5.6 inches) | 83% | extreme |
| June Weather | 12°C (55°F) | 55 mm (2.2 inches) | 69% | extreme |
| July Weather | 13°C (55°F) | 38 mm (1.5 inches) | 56% | extreme |
| August Weather | 13°C (55°F) | 53 mm (2.1 inches) | 50% | extreme |
| September Weather | 13°C (55°F) | 170 mm (6.7 inches) | 53% | extreme |
| October Weather | 12°C (55°F) | 213 mm (8.4 inches) | 68% | extreme |
| November Weather | 12°C (55°F) | 176 mm (6.9 inches) | 81% | extreme |
| December Weather | 12°C (55°F) | 229 mm (9.0 inches) | 87% | extreme |