Last updated: March 2, 2024
The weather in St-Jean-Port-Joli, Canada, during December is characterized by an average temperature of -6°C (21°F). Highs can soar to 7°C (45°F), while lows may dip to -18°C (0°F). Typically, the humidity level in St-Jean-Port-Joli throughout December hovers around 92%.
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Average temperature
Maximum temperature
Humidity
In December, St-Jean-Port-Joli averages 104 mm (4.1 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 8 hours 32 minutes of daylight, with the sun shining for approximately 5 hours 2 minutes each day. Additionally, there is a 31% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In December, the UV Index in St-Jean-Port-Joli reaches a maximum of 1, indicating a level of Low exposure. The most intense UV radiation typically occurs between 08:00 and 10:00, 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 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
| Exposure | Low | ||||||||||||
| Time to burn | 45 min | ||||||||||||