Last updated: March 2, 2024
The weather in San Juan Petlapa, Mexico, during January is characterized by an average temperature of 19°C (66°F). Highs can soar to 30°C (86°F), while lows may dip to 11°C (51°F). Typically, the humidity level in San Juan Petlapa throughout January hovers around 84%.
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Average temperature
Maximum temperature
Humidity
In January, San Juan Petlapa averages 104 mm (4.1 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 11 hours 11 minutes of daylight, with the sun shining for approximately 6 hours 16 minutes each day. Additionally, there is a 25% probability of sunny days during this period.
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Chance of sun
In January, the UV Index in San Juan Petlapa reaches a maximum of 9, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, 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 | 1 | 3 | 5 | 8 | 9 | 9 | 8 | 5 | 3 | 1 | 1 | 0 |
| Exposure | Low | Moderate | VeryHigh | Moderate | Low | ||||||||
| Time to burn | 45 min | 30 min | 15 min | 30 min | 45 min | ||||||||