Last updated: March 2, 2024
The weather in San Marcos, Guatemala, during August is characterized by an average temperature of 16°C (62°F). Highs can soar to 23°C (73°F), while lows may dip to 10°C (51°F). Typically, the humidity level in San Marcos throughout August hovers around 82%.
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Average temperature
Maximum temperature
Humidity
In August, San Marcos averages 358 mm (14.1 inches) of rainfall, typically over the course of 30 rainy days. The month enjoys an average of 12 hours 35 minutes of daylight, with the sun shining for approximately 9 hours 53 minutes each day. Additionally, there is a 13% probability of sunny days during this period.
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Rainy days
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Chance of sun
In August, the UV Index in San Marcos reaches a maximum of 15, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 10 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 3 | 7 | 11 | 14 | 15 | 14 | 11 | 7 | 4 | 2 | 1 | 0 |
| Exposure | Low | Moderate | High | Extreme | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 10 min | 25 min | 30 min | 45 min | ||||||