Last updated: March 2, 2024
The weather in Santo Tomas, Mexico, during December is characterized by an average temperature of 19°C (66°F). Highs can soar to 28°C (83°F), while lows may dip to 10°C (50°F). Typically, the humidity level in Santo Tomas throughout December hovers around 86%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In December, Santo Tomas averages 73 mm (2.9 inches) of rainfall, typically over the course of 14 rainy days. The month enjoys an average of 11 hours 7 minutes of daylight, with the sun shining for approximately 9 hours 37 minutes each day. Additionally, there is a 37% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In December, the UV Index in Santo Tomas 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 | 2 | 4 | 6 | 8 | 9 | 8 | 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 | ||||||