Last updated: March 2, 2024
The weather in Walla Walla East, United States, during December is characterized by an average temperature of 1°C (34°F). Highs can soar to 12°C (55°F), while lows may dip to -11°C (12°F). Typically, the humidity level in Walla Walla East throughout December hovers around 87%.
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Average temperature
Maximum temperature
Humidity
In December, Walla Walla East averages 93 mm (3.7 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 8 hours 41 minutes of daylight, with the sun shining for approximately 4 hours 33 minutes each day. Additionally, there is a 14% probability of sunny days during this period.
Precipitation
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Chance of sun
In December, the UV Index in Walla Walla East reaches a maximum of 2, indicating a level of Low exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, 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 | 2 | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 |
| Exposure | Low | ||||||||||||
| Time to burn | 45 min | ||||||||||||