Last updated: March 2, 2024
The weather in Petersburg, United States, during August is characterized by an average temperature of 15°C (59°F). Highs can soar to 25°C (77°F), while lows may dip to 9°C (49°F). Typically, the humidity level in Petersburg throughout August hovers around 111%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In August, Petersburg averages 297 mm (11.7 inches) of rainfall, typically over the course of 20 rainy days. The month enjoys an average of 15 hours 1 minutes of daylight, with the sun shining for approximately 5 hours 55 minutes each day. Additionally, there is a 17% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In August, the UV Index in Petersburg reaches a maximum of 7, indicating a level of High exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 25 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 | 3 | 4 | 6 | 6 | 7 | 6 | 5 | 4 | 2 | 1 | 1 |
| Exposure | Low | Moderate | High | Moderate | Low | ||||||||
| Time to burn | 45 min | 30 min | 25 min | 30 min | 45 min | ||||||||