Last updated: March 2, 2024
The weather in McChord Air Force Base, United States, during December is characterized by an average temperature of 6°C (43°F). Highs can soar to 13°C (55°F), while lows may dip to -1°C (30°F). Typically, the humidity level in McChord Air Force Base throughout December hovers around 87%.
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Average temperature
Maximum temperature
Humidity
In December, McChord Air Force Base averages 184 mm (7.2 inches) of rainfall, typically over the course of 19 rainy days. The month enjoys an average of 8 hours 31 minutes of daylight, with the sun shining for approximately 2 hours 58 minutes each day. Additionally, there is a 12% probability of sunny days during this period.
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In December, the UV Index in McChord Air Force Base reaches a maximum of 2, indicating a level of Low exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, 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 | 2 | 1 | 1 | 1 | 1 | 0 | 0 | 0 |
| Exposure | Low | ||||||||||||
| Time to burn | 45 min | ||||||||||||