Last updated: March 2, 2024
The weather in Rio Negro, Brazil, during January is characterized by an average temperature of 22°C (72°F). Highs can soar to 31°C (88°F), while lows may dip to 15°C (59°F). Typically, the humidity level in Rio Negro throughout January hovers around 86%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In January, Rio Negro averages 150 mm (5.9 inches) of rainfall, typically over the course of 18 rainy days. The month enjoys an average of 13 hours 32 minutes of daylight, with the sun shining for approximately 6 hours 55 minutes each day. Additionally, there is a 12% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In January, the UV Index in Rio Negro 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 | 1 | 3 | 7 | 10 | 13 | 15 | 15 | 13 | 9 | 5 | 2 | 1 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | Moderate | Low | |||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 30 min | 45 min | |||||