Last updated: August 23, 2025
In October, the average temperature in San Juan Ostuncalco, Guatemala hovers around 21°C (69°F). You can expect a minimum of 15°C (59°F) and a pleasant maximum of 28°C (82°F). However, be prepared for notable rainfall, with an average precipitation of 528 mm (20.8 in) over 31 days. Additionally, the air is quite humid, boasting an average humidity of 83%.
In October in San Juan Ostuncalco, the average temperature is 21°C (69°F). The maximum can reach 28°C (82°F), while the minimum can dip as low as 15°C (59°F). This pleasant climate makes it an ideal destination for outdoor activities and exploration.
In San Juan Ostuncalco in October, the total precipitation amount is 528 mm (20.8 in) over the course of 31 days.
In San Juan Ostuncalco in October, humidity is 83%. With an average temperature of 21°C (69°F), this humidity feels like a heavy blanket enveloping you, making travel feel sticky and challenging as you navigate the damp air.
In San Juan Ostuncalco 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 Juan Ostuncalco.
UV Risk Categories
Weather in San Juan Ostuncalco varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in San Juan Ostuncalco, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 19°C (67°F) | 51 mm (2.0 inches) | 76% | extreme |
| February Weather | 20°C (68°F) | 62 mm (2.5 inches) | 68% | extreme |
| March Weather | 20°C (68°F) | 134 mm (5.3 inches) | 59% | extreme |
| April Weather | 21°C (69°F) | 248 mm (9.8 inches) | 57% | extreme |
| May Weather | 21°C (70°F) | 702 mm (27.6 inches) | 65% | extreme |
| June Weather | 21°C (70°F) | 561 mm (22.1 inches) | 66% | extreme |
| July Weather | 21°C (70°F) | 461 mm (18.2 inches) | 75% | extreme |
| August Weather | 21°C (70°F) | 588 mm (23.1 inches) | 82% | extreme |
| September Weather | 21°C (69°F) | 604 mm (23.8 inches) | 82% | extreme |
| October Weather | 21°C (69°F) | 528 mm (20.8 inches) | 83% | extreme |
| November Weather | 20°C (69°F) | 224 mm (8.8 inches) | 80% | extreme |
| December Weather | 20°C (68°F) | 71 mm (2.8 inches) | 76% | very high |