Last updated: March 2, 2024
The weather in Petersburg, United States, during December is characterized by an average temperature of 0°C (33°F). Highs can soar to 9°C (49°F), while lows may dip to -12°C (10°F). Typically, the humidity level in Petersburg throughout December hovers around 91%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In December, Petersburg averages 258 mm (10.2 inches) of rainfall, typically over the course of 19 rainy days. The month enjoys an average of 6 hours 51 minutes of daylight, with the sun shining for approximately 1 hours 38 minutes each day. Additionally, there is a 35% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In December, the UV Index in Petersburg reaches a maximum of 1, indicating a level of Low exposure. The most intense UV radiation typically occurs between 09:00 and 11:00, during which unprotected skin may burn in as little as 45 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 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
| Exposure | Low | ||||||||||||
| Time to burn | 45 min | ||||||||||||