Last updated: March 2, 2024
The weather in Sao Marcos, Brazil, during December is characterized by an average temperature of 20°C (69°F). Highs can soar to 31°C (89°F), while lows may dip to 8°C (47°F). Typically, the humidity level in Sao Marcos throughout December hovers around 87%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In December, Sao Marcos averages 98 mm (3.8 inches) of rainfall, typically over the course of 14 rainy days. The month enjoys an average of 13 hours 56 minutes of daylight, with the sun shining for approximately 11 hours 29 minutes each day. Additionally, there is a 50% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In December, the UV Index in Sao 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 | 2 | 4 | 7 | 11 | 14 | 15 | 14 | 12 | 9 | 5 | 3 | 1 | 1 |
| Exposure | Low | Moderate | High | Extreme | VeryHigh | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 10 min | 15 min | 30 min | 45 min | ||||||