Last updated: March 2, 2024
The weather in San Ildefonso, Mexico, during May is characterized by an average temperature of 20°C (68°F). Highs can soar to 31°C (89°F), while lows may dip to 9°C (49°F). Typically, the humidity level in San Ildefonso throughout May hovers around 75%.
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Average temperature
Maximum temperature
Humidity
In May, San Ildefonso averages 62 mm (2.4 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 13 hours 4 minutes of daylight, with the sun shining for approximately 10 hours 46 minutes each day. Additionally, there is a 56% probability of sunny days during this period.
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Chance of sun
In May, the UV Index in San Ildefonso reaches a maximum of 15, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, 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 | 1 | 2 | 5 | 9 | 13 | 15 | 15 | 13 | 9 | 6 | 3 | 1 |
| Exposure | Low | Moderate | VeryHigh | Extreme | VeryHigh | High | Moderate | Low | |||||
| Time to burn | 45 min | 30 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min | |||||