Last updated: March 2, 2024
The weather in Petersburg, United States, during July is characterized by an average temperature of 15°C (59°F). Highs can soar to 25°C (77°F), while lows may dip to 10°C (50°F). Typically, the humidity level in Petersburg throughout July hovers around 110%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In July, Petersburg averages 195 mm (7.7 inches) of rainfall, typically over the course of 18 rainy days. The month enjoys an average of 17 hours 2 minutes of daylight, with the sun shining for approximately 6 hours 39 minutes each day. Additionally, there is a 19% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In July, the UV Index in Petersburg reaches a maximum of 7, indicating a level of High exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, 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 | 5 | 6 | 7 | 7 | 7 | 6 | 4 | 3 | 2 | 1 |
| Exposure | Low | Moderate | High | Moderate | Low | ||||||||
| Time to burn | 45 min | 30 min | 25 min | 30 min | 45 min | ||||||||