Last updated: March 2, 2024
The weather in Fortaleza, Brazil, during December is characterized by an average temperature of 28°C (82°F). Highs can soar to 31°C (88°F), while lows may dip to 25°C (78°F). Typically, the humidity level in Fortaleza throughout December hovers around 81%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In December, Fortaleza averages 48 mm (1.9 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 12 hours 19 minutes of daylight, with the sun shining for approximately 11 hours 12 minutes each day. Additionally, there is a 42% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In December, the UV Index in Fortaleza reaches a maximum of 13, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, 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 | 5 | 8 | 12 | 13 | 13 | 11 | 7 | 4 | 2 | 1 | 0 | 0 |
| Exposure | Low | Moderate | VeryHigh | Extreme | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 15 min | 10 min | 25 min | 30 min | 45 min | ||||||