Last updated: March 2, 2024
The weather in Porto Velho, Brazil, during May is characterized by an average temperature of 26°C (79°F). Highs can soar to 33°C (91°F), while lows may dip to 20°C (69°F). Typically, the humidity level in Porto Velho throughout May hovers around 85%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In May, Porto Velho averages 119 mm (4.7 inches) of rainfall, typically over the course of 18 rainy days. The month enjoys an average of 11 hours 41 minutes of daylight, with the sun shining for approximately 9 hours 9 minutes each day. Additionally, there is a 31% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In May, the UV Index in Porto Velho reaches a maximum of 12, 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 | 2 | 5 | 8 | 10 | 12 | 11 | 8 | 5 | 2 | 1 | 0 | 0 |
| Exposure | Low | Moderate | VeryHigh | Extreme | VeryHigh | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 15 min | 10 min | 15 min | 30 min | 45 min | ||||||