Last updated: March 2, 2024
The weather in Saint Marys, Australia, during December is characterized by an average temperature of 15°C (59°F). Highs can soar to 23°C (74°F), while lows may dip to 9°C (49°F). Typically, the humidity level in Saint Marys throughout December hovers around 76%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In December, Saint Marys averages 95 mm (3.7 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 15 hours 6 minutes of daylight, with the sun shining for approximately 11 hours 38 minutes each day. Additionally, there is a 47% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In December, the UV Index in Saint Marys reaches a maximum of 13, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 10 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 | 5 | 8 | 10 | 12 | 13 | 12 | 10 | 7 | 5 | 2 | 1 |
| Exposure | Low | Moderate | VeryHigh | Extreme | VeryHigh | High | Moderate | Low | |||||
| Time to burn | 45 min | 30 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min | |||||