Last updated: March 2, 2024
The weather in Half Moon, United States, during December is characterized by an average temperature of 10°C (50°F). Highs can soar to 24°C (75°F), while lows may dip to -4°C (26°F). Typically, the humidity level in Half Moon throughout December hovers around 86%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In December, Half Moon averages 116 mm (4.6 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 9 hours 51 minutes of daylight, with the sun shining for approximately 6 hours 46 minutes each day. Additionally, there is a 47% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In December, the UV Index in Half Moon reaches a maximum of 4, 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 | 1 | 1 | 1 | 2 | 3 | 4 | 3 | 2 | 1 | 1 | 0 | 0 | 0 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||