Last updated: March 2, 2024
The weather in Poway, United States, during December is characterized by an average temperature of 13°C (55°F). Highs can soar to 25°C (77°F), while lows may dip to 3°C (37°F). Typically, the humidity level in Poway throughout December hovers around 74%.
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Average temperature
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Humidity
In December, Poway averages 74 mm (2.9 inches) of rainfall, typically over the course of 6 rainy days. The month enjoys an average of 10 hours 0 minutes of daylight, with the sun shining for approximately 7 hours 20 minutes each day. Additionally, there is a 49% probability of sunny days during this period.
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Chance of sun
In December, the UV Index in Poway reaches a maximum of 4, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, 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 | 4 | 3 | 2 | 1 | 1 | 0 | 0 | 0 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||