Last updated: March 2, 2024
The weather in Allentown, United States, during August is characterized by an average temperature of 27°C (81°F). Highs can soar to 35°C (95°F), while lows may dip to 20°C (69°F). Typically, the humidity level in Allentown throughout August hovers around 78%.
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Average temperature
Maximum temperature
Humidity
In August, Allentown averages 195 mm (7.7 inches) of rainfall, typically over the course of 24 rainy days. The month enjoys an average of 13 hours 11 minutes of daylight, with the sun shining for approximately 9 hours 40 minutes each day. Additionally, there is a 32% probability of sunny days during this period.
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Chance of sun
In August, the UV Index in Allentown reaches a maximum of 11, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 10 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 | 2 | 4 | 6 | 9 | 11 | 11 | 11 | 8 | 5 | 3 | 1 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | Moderate | Low | |||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 30 min | 45 min | |||||