Last updated: March 2, 2024
The weather in Porto, Brazil, during January is characterized by an average temperature of 28°C (82°F). Highs can soar to 36°C (98°F), while lows may dip to 23°C (73°F). Typically, the humidity level in Porto throughout January hovers around 90%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In January, Porto averages 194 mm (7.6 inches) of rainfall, typically over the course of 18 rainy days. The month enjoys an average of 12 hours 18 minutes of daylight, with the sun shining for approximately 8 hours 3 minutes each day. Additionally, there is a 19% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In January, the UV Index in Porto reaches a maximum of 14, 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 | 4 | 7 | 11 | 13 | 14 | 13 | 10 | 6 | 3 | 1 | 1 | 0 |
| Exposure | Low | Moderate | High | Extreme | VeryHigh | High | Moderate | Low | |||||
| Time to burn | 45 min | 30 min | 25 min | 10 min | 15 min | 25 min | 30 min | 45 min | |||||