Last updated: March 2, 2024
The weather in Ostuncalco, Guatemala, during December is characterized by an average temperature of 17°C (63°F). Highs can soar to 23°C (74°F), while lows may dip to 11°C (52°F). Typically, the humidity level in Ostuncalco throughout December hovers around 76%.
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Average temperature
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Humidity
In December, Ostuncalco averages 48 mm (1.9 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 11 hours 15 minutes of daylight, with the sun shining for approximately 10 hours 8 minutes each day. Additionally, there is a 64% probability of sunny days during this period.
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In December, the UV Index in Ostuncalco reaches a maximum of 9, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, during which unprotected skin may burn in as little as 15 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 | 2 | 4 | 7 | 9 | 9 | 9 | 6 | 4 | 2 | 1 | 0 | 0 |
| Exposure | Low | Moderate | High | VeryHigh | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 25 min | 30 min | 45 min | ||||||