Last updated: March 2, 2024
The weather in Smithfield, United States, during December is characterized by an average temperature of 3°C (37°F). Highs can soar to 17°C (64°F), while lows may dip to -10°C (13°F). Typically, the humidity level in Smithfield throughout December hovers around 85%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In December, Smithfield averages 126 mm (4.9 inches) of rainfall, typically over the course of 14 rainy days. The month enjoys an average of 9 hours 23 minutes of daylight, with the sun shining for approximately 4 hours 55 minutes each day. Additionally, there is a 29% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In December, the UV Index in Smithfield reaches a maximum of 3, 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 | 0 | 1 | 1 | 2 | 2 | 3 | 2 | 2 | 1 | 1 | 0 | 0 | 0 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||