Last updated: August 23, 2025
In October, the average temperature in San Jeronimo, Guatemala is a pleasant 21°C (71°F), making it an ideal time to explore the area. However, temperatures can swing from a cool 13°C (56°F) to a warm 33°C (91°F). Be prepared for some rain, as you'll likely encounter 204 mm (8.0 in) of precipitation over 24 days, accompanied by an average humidity of 83%.
In October in San Jeronimo, the average temperature is 21°C (71°F). The maximum can reach 33°C (91°F), and the minimum can be as low as 13°C (56°F). This makes it an ideal time for travelers to enjoy a variety of outdoor activities while comfortably exploring the area.
In San Jeronimo in October, the precipitation amount is 204 mm (8.0 in) over the course of 24 days.
In San Jeronimo in October humidity is 83%. With an average temperature of 21°C (71°F), this humidity feels like walking through a warm mist, making travel both refreshing and slightly uncomfortable as the air clings to your skin and you find yourself needing to take frequent breaks to hydrate.
In San Jeronimo in October, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in San Jeronimo.
UV Risk Categories
Weather in San Jeronimo varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in San Jeronimo, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 19°C (67°F) | 16 mm (0.6 inches) | 76% | extreme |
| February Weather | 20°C (69°F) | 9 mm (0.3 inches) | 68% | extreme |
| March Weather | 21°C (70°F) | 15 mm (0.6 inches) | 59% | extreme |
| April Weather | 23°C (74°F) | 34 mm (1.3 inches) | 57% | extreme |
| May Weather | 23°C (74°F) | 145 mm (5.7 inches) | 65% | extreme |
| June Weather | 22°C (72°F) | 182 mm (7.2 inches) | 66% | extreme |
| July Weather | 22°C (72°F) | 98 mm (3.9 inches) | 75% | extreme |
| August Weather | 22°C (72°F) | 169 mm (6.7 inches) | 82% | extreme |
| September Weather | 22°C (72°F) | 172 mm (6.8 inches) | 82% | extreme |
| October Weather | 21°C (71°F) | 204 mm (8.0 inches) | 83% | extreme |
| November Weather | 20°C (69°F) | 77 mm (3.0 inches) | 80% | extreme |
| December Weather | 19°C (67°F) | 17 mm (0.7 inches) | 76% | very high |