Last updated: March 2, 2024
The weather in Petersburg, United States, during April is characterized by an average temperature of 5°C (42°F). Highs can soar to 14°C (58°F), while lows may dip to -4°C (26°F). Typically, the humidity level in Petersburg throughout April hovers around 88%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In April, Petersburg averages 190 mm (7.5 inches) of rainfall, typically over the course of 18 rainy days. The month enjoys an average of 14 hours 20 minutes of daylight, with the sun shining for approximately 6 hours 54 minutes each day. Additionally, there is a 38% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In April, the UV Index in Petersburg reaches a maximum of 5, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 30 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 | 1 | 2 | 3 | 4 | 5 | 5 | 5 | 4 | 3 | 2 | 1 | 1 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||